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Operator
Good morning and welcome to the Boston Properties third-quarter earnings call. This call is being recorded. All audience lines are currently in a listen-only mode. Our speakers will address your questions at the end of the presentation during the question-and-answer session.
At this time, I would like to turn the conference over to Ms. Arista Joyner, Investor Relations Manager for Boston Properties. Please go ahead.
Arista Joyner - IR Manager
Good morning and welcome to Boston Properties third-quarter earnings conference call. The press release and supplemental package were distributed last night as well as furnished on form 8-K. In the supplemental package, the Company has reconciled all non-GAAP financial measures to the most directly comparable GAAP measure in accordance with Reg G requirements.
If you did not receive a copy, these documents are available in the investor relations section of our website at www.BostonProperties.com. An audio webcast of this call will be available for 12 months in the investor relations section of our website.
At this time, we would like to inform you that certain statements made during this conference call which are not historical may constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Although Boston Properties believes the expectations reflected in any forward-looking statements are based on reasonable assumptions, it can give no assurance that its expectations will be attained.
Factors and risks that could cause actual results to differ materially from those expressed or implied by forward-looking statements were detailed in Tuesday's press release and from time to time in the Company's filings with the SEC. The Company does not undertake a duty to update any forward-looking statements.
Having said that, I would like to welcome Mort Zuckerman, Executive Chairman; Owen Thomas, Chief Executive Officer; Doug Linde, President; and Mike LaBelle, Chief Financial Officer. During the question-and-answer portion of our call, Ray Ritchey, our Executive Vice President of Acquisitions and Development, and our regional management team will be available to address any questions.
I would now like to turn the call over to Mort Zuckerman for his formal remarks.
Mort Zuckerman - Executive Chairman
Good morning, everybody. We are delighted to have the chance once again to have a dialogue with you. As you all appreciate I am sure, we are living in a kind of uncertain economic time in general with a very weak growth in the general economy. In real terms, it's probably growing at a rate of about 1.5% and the average over the last four years has been about 1.8%, 1.9% and this compares to previous four-year periods coming out of a recession of all eight previous recessions since the end of World War II of 4.1%.
Nevertheless, I must say that we have found in our particular sector of the office building market, we have enjoyed I think a fairly good response from our general clientele and we continue to be comfortable with the leasing that we are undertaking and experiencing in the context of these generally weak times.
I think we are continuing to be very cautious about what we do and yet feel very comfortable that we have both the financial resources and locations that will enable us to take advantage of both development opportunities which we will describe and leasing opportunities for our existing buildings. So on balance, I must say that we have demonstrated I hope it's a fair thing to say that the quality of the assets we have in the locations we have and in the markets we have, have demonstrated not only their strength in good markets but their strength in weaker markets.
We continue to do well in terms of our leasing and I think we are going to show that we are able to develop not only additional rental revenues but a number of additional development opportunities that will continue the path of growth that we have had over all these years.
With that, I will turn it over to Owen who will give you more information about the Company. I will probably join him on a couple of other comments later on.
Owen Thomas - CEO
Mort, thank you. Good morning, everyone. I am joined here in Boston by Doug Linde and Mike LaBelle and the three of us will describe our performance and results for the third quarter, provide some color on the current operating environment and describe our current capital allocation strategy. We will also discuss in more detail the FFO guidance for 2014.
As Mort described, we continue to experience a sluggish recovery in the US. However, as we've discussed before, there are bright spots in several industries such as technology, life sciences, healthcare and smaller scale financials which are benefiting our operating performance in several of our key markets such as Cambridge, San Francisco, Midtown New York and Princeton.
In the third quarter we performed well. Specifically we executed 85 leases representing approximately 1.9 million square feet of space with reasonable balance across our portfolio geographically, though San Francisco and Washington were the largest contributors.
Our in-service properties in the aggregate are 92.8% leased at the end of the third quarter, up 70 basis points from 92.1% leased at the end of the second quarter. Also importantly during the quarter, we made significant progress in identifying tenants for our remaining existing vacancy and our properties under development which we hope will be reflected in signed leases in the coming quarters.
Now turning to capital strategy, due to continued weakness in job creation, more mixed signals from the Fed, the nomination of Janet Yellen as Chairman of the Federal Reserve, it would appear fear of rising interest rates at least for the short and medium term has subsided somewhat. Nevertheless, our capital strategy has remained largely unchanged from the last quarter.
We continue to actively monetize assets most recently closing on the sale of a 45% interest in Times Square Tower. Year to date, we've sold five assets raising $1.2 billion in proceeds and we currently have three additional assets in the market, a small project in suburban Boston, a building in suburban Maryland and our Avenue apartment asset in Washington. You should expect our selected monetization activity to continue.
Let me add one comment related to asset sales. While we have given ourselves the flexibility to enter into a 1031 like kind exchange with the Times Square transaction, at the moment, we have not identified such a property. Therefore, our gain, which is approximately $386 million, or $2.25 per share, would likely result in a special dividend to shareholders.
Now continuing with capital allocation strategy, we do continue to pursue acquisitions but are finding pricing aggressive for high-quality office assets in our focused market. Our development pipeline remains robust at $2.5 billion in active projects plus we have a number of additional high-quality developments under consideration assuming receptive market conditions. Delivery of all these developments will be a key driver of our growth in coming quarters.
Thank you and I'll turn the conversation over to Doug for a more detailed review of our markets.
Doug Linde - President
Thanks, Owen. Good morning, everybody. I am going to try and give some color to the numerical information that Mike is going to talk about predominantly about 2014 guidance so I'm going to describe what's going on in the portfolio, what's going on in the markets, but most importantly all of these things are influencing our 2014 projections and they are all embedded in the guidance for 2014. So there's going to be a lot of facts and figures that I'm going to provide you and I promise I will talk as slowly as I possibly can.
I'm going to start in Boston or the Boston market. Cambridge, on the other side of the river, is probably the strongest office submarket that we have in the region. It has got both the biotech and the life sciences and the technology companies all in a very concentrated area. This quarter, we delivered our expansion building for Google at Cambridge Center which is going to hit this quarter but ramp up next year and we also did our first early renewal. I talked last quarter about the fact that we don't have any availability in Cambridge which is in fact still the case but we do have 2014, 2015, and 2016 renewal opportunities.
So the first one was a 67,000 square-foot renewal and the markup was 75% on that space. Office rents in Cambridge are in the low 60s right now which is about a 30% increase year-over-year. So in 2014, we are going to get a full year of benefit from 17 Cambridge Center. That's the building that we delivered earlier this year to Biogen. We will get a full contribution from the expansion for Google and net incremental revenue growth of about $7 million.
Again, we are 100% occupied; we have 140,000 square feet of late 2014 lease expirations and about 210,000 square feet of 2015 lease expirations and there are significant opportunities for rolloff in both of those assets.
In addition, we are working with the city of Cambridge right now on the entitlements for a new residential project in Cambridge Center. It's probably about 200 units, $100 million plus or minus of investment that we hope to get started assuming we get the approval in the early part of 2015 and we are also working on additional density at Cambridge Center through an overlay district that the city has encouraged us to pursue.
Across the river in the Back Bay, the rents in the Back Bay Towers are in the mid-$70s at the top. Starting rents in the lower portion of those buildings are probably in the high $40s which interestingly is a discount to Cambridge right now.
At the Hancock Tower, we are in lease negotiations with five existing tenants which totals about 225,000 square feet on relocations or renewals in the building. This quarter, we signed 115,000 square-foot relocation and an extension. So to date at the Hancock Tower, we signed 446,000 square feet of early renewals or relocations. Now the interesting thing is that 236,000 square feet of this isn't going to impact our revenues until 2015 because there's a prime lease with Manulife and these were all sub tenants that are all going direct. But the rollup on all of this income is a minimum of $15 a square foot or about 27% on average in place rents in the building.
Again, really good embedded growth that we are going to get; we just haven't got it yet and we are not going to get it in 2014.
The remainder of our urban portfolio in Boston really has pretty limited opportunities for occupancy or revenue gains in 2014. At the Pru Center complex, we leased our last full floor at 111 Huntington Avenue this quarter and you have to remember that we signed a 15-year lease for about 310,000 square feet last year with Blue Cross Blue Shield and they are going to be moving into 101 Huntington Avenue in the second quarter of 2015.
Now we are getting this space back in three chunks in 2014 and the revenue loss from the roll down -- roll over from the existing tenants until we get to 2015 is about $10 million. So that is again embedded in our projections for 2014.
At Atlantic Wharf, we are 100% leased and we will be at a full run rate in 2014. At 100 Federal Street, we are getting back one 52,000 square foot floor in January and we do expect to have some downtime on that floor in 2014. Average rents in the downtime market are between $40, mid-$40's, at the base of buildings to the low $60's at the top of the buildings.
Our suburban Boston portfolio continues to be very active. Rents in Waltham are up slightly year-over-year and our deals at Bay Colony are all generally starting in the mid-$30s today. During the third quarter, we completed 71,000 square feet of leasing bringing our total to about 300,000 square feet during the year.
At Bay Colony, we have now completed 165,000 square feet of new leases and we are in negotiations with two more large tenants that will bring the total to 275,000 square feet of incremental occupancy growth that's going to start in 2014. These include another 55,000 square foot life science company, our fourth at Bay Colony, as well as a large multinational software developer.
There is a growing pipeline of additional suburban requirements and we continue to see strong activity in the Waltham market really stemming from the expansion of life sciences and technology as Owen described.
Moving to New York City, our third-quarter New York City activity on the in-service portfolio was really an acceleration of the strong activity that we described last quarter. Demand from high-end small service -- small financial services firms really continued. During the quarter, we completed 18 separate transactions totaling 168,000 square feet. We did six more deals at 540 Madison bringing our totals in that building to 14 and we have three more in negotiation right now.
At 510 Madison, we've completed two more full floor deals bringing the total year to date to five. So 510 Madison now sits at about 80% leased, not occupied vis-a-vis the supplemental because the leases haven't commence yet but 80% leased. Our expectations for both buildings, 510 and 540, are to be in the 90%s by the end of 2014.
The asking and the taking rents at 540 and 510 really have not changed for us over the last year. Quite frankly nor has the overall pace of market activity at the high-end market which we define as tenants who are prepared to pay over $90 a square foot and we really don't see much in the way of changes in that in 2014. Our pricing at 540 Madison is from the mid-$70s to the low $90s and at 510 Madison, it's from the low $90s to the mid-$130s.
The remainder of our in-service portfolio is 99% leased in Manhattan. We will be getting one floor back some time towards the middle of 2014 at 767 Fifth, The GM Building, and we will see how attractive that space is in the market given the building is literally 100% leased today.
Our predominant user and our targeted tenant from all of our available space in Midtown continues to be the small hedge funds and asset managers, advisors and the other smaller entities that are involved in the financial services industry. And again, the tenant activity for this market continues to be very encouraging.
When we discussed 250 W. 55th St. last quarter, we said we had a number of multi-floor prospects that we were considering and negotiating with and that we had multiple floors where we really hadn't begun to respond to proposals. Well, we have now signed letters of intent with two of these tenants, are in lease negotiations on space totaling an incremental 242,000 square feet. We've currently leased 468,000 square feet so this brings us to 710,000 square feet or 72% committed. And it leaves us with seven full floors and two floors of prebuilt, many of which I think you have seen in your tours recently.
We continue to have an active pipeline of one and two floor prospects that continue to tour the remaining space. So the translation of this activity into revenues is solid. We will commence revenue recognition on this 468,000 square feet in mid-2014 and the contribution to 2014 NOI is only $10 million. When the two leases that are under negotiation get signed, they will, along with hopefully other leases that we are working on, contribute in early 2015 and we expect to stabilize the building at an overall return of just above 6% in 2016.
Mike will address the offsetting capitalized interest reductions in his remarks.
In DC, the budgetary issues and the continuation of sequestration still is a factor. It creates an overlay of uncertainty in the private markets as well as the public sector. In spite of all of that, we completed two major leases totaling 368,000 square feet during the quarter in Reston with defense contractors that covered 75% of our 2014 and 2015 lease expirations in Reston Town Center. Rents in Reston Town Center continue to be $15 to $25 a square foot in excess of what can be achieved in buildings on the Toll Road.
Our new apartment development, the Avant, is opening at the beginning of November and we expect to generate a stabilized return on cost of over 7.5% as it leases over the next 14 to 15 months stabilizing by early 2015.
Now just before the government shutdown last month, we were able to sign a 125,000 square foot 10-year lease with the Army Corps to fully lease our new development at Annapolis Junction, which is adjacent to the NSA and the Cyber Command at Fort Meade. Again, revenue is not going to be able to be recognized until the second quarter of 2015 because the tenant has asked us to manage a significant additional infrastructure investment.
The Montgomery office market continues to be the softest in the DC area and we are continuing to execute on our decision to exit our holdings in the market. As Owen described, we have a suburban office building on the market right now and we really don't anticipate much in the way of improvements in Montgomery County in 2014.
The absence of incremental demand from the GSA in the districts and changes in space utilization that we've talked about before as well as the lack to date of any new demand generators -- there are people talking about changes to the city that will help that -- are the headwinds that the CBD is still facing. So second generation space is still plentiful and landlords have -- surprise surprise -- expanded their tenant improvement packages to encourage tenants to relocate. Guess what? Tenants are going to migrate to newer more efficient installations in the CBD.
We don't have any 2014 lease exposure but we do have some law firm relocation activity that we expect to happen in 2015 and 2016 but Ray and our team in DC is out in front of this and we are working on replacement tenants as we speak. Our DC portfolio continues to be 96% leased.
At Carnegie Center, we continue to gain both occupancy and extend leases. During the quarter, we did 13 leases for 372,000 square feet. So in 2013, we have completed 11 leases with new or expanding tenants totaling 179,000 square feet or a 9% increase in occupancy at Carnegie Center and we continue to be in discussions with tenants for additional expansion. And while the life science sector is really at the core of the expansion at Carnegie Center, you saw our press release last night and we've completed a 15-year build-to-suit negotiation with NRG, which is an energy company, for 130,000 square feet that's going to get delivered in 2016. NRG is going to be expanding from about 90,000 square feet today.
So for 2014, we will average over 90% occupancy at Carnegie Center.
The majority of our activity in San Francisco this quarter was outside the city. We did two lease extensions with Genentech at our Gateway project but it involved a 50,000 square foot reduction in their occupancy in 2014 which is embedded in our guidance. Activity in South San Francisco continues to be slow and we expect to carry this pace for a while during 2014.
Activity in the Silicon Valley during the third quarter started to shift from the large requirements to the 50,000 to 80,000 square foot tenants that seem to be out in the space given the IPO flurry and they are starting to ramp up there hiring and look for expansion. We are in the midst of a re-skinning of our Zanker assets in order to prove the marketability of those assets to those types of companies. We've experienced extended vacancy in those buildings because they were older and so we decided to go through and do a major re-skinning which we expect to be completed in early 2014.
Given that we are not really budgeting much in the way of income in 2014 and in fact Lockheed Martin is going to be consolidating out of 165,000 square foot building in December of this year, so we are going to have about 438,000 square feet of availability at Zanker.
In the San Francisco CBD, the lease expiration driven transactions from the traditional financial service law firm tenants are increasing. There is an 8% availability rate in the market and there is continued expansion from technology tenants but there is still a gap between tenants' expectations and our expectations for the right rents for renewals and for new leases in the premier buildings. Last quarter I suggested that there was a pretty wide gap. Well, it is narrowing and deals are starting to be made.
In fact, while the view rents are still in the $70s to the $90s, we are actually entering a lease negotiation now with a tenant for the 2.5 floors that we have available in the mid-rise of EC 4 which we were waiting on patiently for quite some time. We believe the leases will get done in the mid-$70s and that the market really is starting to improve for the financial services type tenants looking for their next space in the CBD.
In 2014 to 2015, mark to market at Embarcadero Center is going to run between 15% and 25% on a lease by lease basis.
The overall pace of activity in 2013 really is in line with the activity at this time last year which was about 5 million square feet of space for the first three quarters. Now last year did end with a 1 million square-foot expansion from Salesforce so we don't have any expectation that that's going to happen again but we think 2013 is going to look very similar to the overall activity in 2010 and 2011 which is about 6.5 million square feet.
Activity from the tech sector as a percentage of tenants in the market interestingly has actually decreased from two-thirds of the demand last year to about half of it this year. It's not that the tech activity has declined at all; in fact, there are just as many tech users in the market but the traditional financial services asset management companies are now conducting searches as the wave of the lease expirations that we have talked about before between 2015 and 2017 hit the market.
We are negotiating a lease for all of our available space at the 50 Hawthorne building, 55,000 square feet with a tech user. So the tech demand is still there. And 680 Folsom, 50 Hawthorne is going to be put in service in the second quarter of 2014 and is expected to generate about a 6.1% return.
The construction of 535 Mission Street is on schedule. Steel is up to the 14th floor and we expect to be able to deliver space to tenants in the latter half of 2014 with occupancy and recognition starting in early 2015. We are encouraged by the initial inquiries and fit plans for the building.
Remember, the building has 13,000 square foot floors and we anticipated that it was going to be leased to a broad range of small and medium-sized technology and legal and financial services and other types of tenants. Just to give you a perspective on that demand set for the market, in 2010, in 2011, and 2012, there was about 2.5 million square feet of leasing activity under 25,000 square feet but over 5000 square feet and 230 transactions. That's the market for 535 Mission and those tenants typically make leasing commitments within 12 months of their lease expiration.
So if the building isn't really going to be available until the end of 2014, early 2015 we think that there's -- and we anticipate that the activity for this building really will pick up during the first half of 2014.
If we average leases with starting rents in the mid-$60s, we are going to deliver this building at a low 7% NOI return.
I am going to finish my remarks just with a little color on our second-generation statistics because unfortunately each quarter the devil is in the details.
In Boston, the transactions are almost exclusively in the suburbs and the gross rent went from $31.50 to $29.62 or less than a $2.00 difference. In New York City, there was one deal of 60,000 square feet, at 601 Lex where the rent went from $112 a square foot fully escalated -- the lease was signed in 2006 -- to about $100 a square foot. That is the downturn there. And in Princeton, the decline included 12,000 square feet and the main negative was a one-year holdover that went to a market deal. So a surprise when the tenant did hold over, they are paying an above market rent. In San Francisco, a majority of the deals were small transactions at Embarcadero Center.
And with that, I will turn it over to Mike.
Mike LaBelle - SVP and CFO
Great, thanks, Doug. Good morning, everybody. Before I jump into a discussion of our 2014 guidance, I do want to spend a few minutes on our results this quarter and our expectations for the rest of the year.
For the third quarter, we reported diluted funds from operations of $1.29 per share. That was about $0.01 above the midpoint of our guidance range or about $2 million. The portfolio NOI was about $2.5 million better than we expected mostly due to savings in operating expenses and we anticipate giving those back in the fourth quarter.
Our hotel performance was up by about $1 million over expectations and on the other side, our G&A was up a little bit and we incurred some unbudgeted transaction costs that mostly related to the sale of Times Square Tower. So overall, we were pretty closely aligned with our expectations.
As you see in our press release, we sold 1301 New York Avenue in the quarter and we booked a gain on sale of $86 million. We successfully structured this sale as a 1031 exchange with the acquisitions that we completed earlier this year. So the gain will not have an impact on our dividend.
The most significant impact to our funds from operation for the rest of 2013 is the sale of the 45% interest in Times Square Tower which we closed on October 9. The sale is projected to reduce our FFO by 0.05 per share in 2013 and 0.20 per share in 2014. We will continue to consolidate the building on our books due to the control we retained in managing the venture. So the deduction for our partner share of the income is going to be reflected in noncontrolling interest, though similar to the accounting for the GM building.
To help you understand our economic share, we actually added a new page to our supplemental disclosure this quarter that provides the financial details of each of our consolidated joint ventures.
As we foreshadowed, our occupancy this quarter improved by 70 basis points and our same-store cash NOI growth accelerated to 8% over 2012. As Doug mentioned, we have seen good success this year leasing a portion of our vacancy in suburban Boston, and Princeton and at 510 Madison Avenue which is showing up in our NOI.
For the full-year 2013, we now expect same-store GAAP NOI to be up 2.5% to 3% and same-store cash NOI to be up 5.25% to 5.75% over 2012. Our straight-line rent and fair value lease income is expected to be $90 million to $94 million.
Our unconsolidated joint venture portfolio is in line with our discussion last quarter. We expect it to contribute $65 million to $67 million in 2013. Our hotel demonstrated better core performance this quarter and for 2013 we expect it to contribute NOI of $10.5 million to $11.5 million.
On the development and management services income side, we are right in line with our projections that we gave last quarter. We expect them to be $27 million to $28 million for the year.
This quarter we modified our G&A presentation by incorporating the overhead costs associated with our San Francisco and Princeton regional offices into our G&A historically as small regional offices existing primarily to manage Embarcadero Center and Carnegie Center. We've been recording the regional overhead as property operating expenses and with our growing activity in San Francisco and to be consistent across the Company, we've elected this quarter to reclassify the expense for this quarter and past quarters projected to be $8.5 million in 2013. But it has been moved to G&A.
Now this is purely a geographic change moving from property operating expenses to G&A. It has no impact on our FFO but it does result in some improvement in our property operating margin. With this change and an increase of about $1 million in healthcare expenses, our projected 2013 G&A is now $116 million to $118 million.
After a lot of movement last quarter from the consolidation of The GM Building and our activity in the bond market, our interest expense this quarter of $122 million reflects a clean run rate. For the year, we are projecting net interest expense of $437 million to $439 million, a little better than last quarter due to higher interest income.
So in summary, for 2013, our FFO projection for the full-year is now $4.86 to $4.88 per share which is in line but for the loss of $0.05 per share from the partial interest sale of Times Square Tower. For the fourth quarter, we project diluted funds from operations of $1.23 to $1.25.
Now, turning to our thoughts for 2014. Owen mentioned some of our sales activity which totals $1.2 billion this year and that includes 125 W. 55th, 1301 New York Ave., 303 Almaden, and Times Square Tower.
Now net of the positive impact from the acquisition that we made in Mountain View, our program will result in a reduction of about $32 million or $0.19 per share of FFO in 2014. On the positive side, we are recycling a portion of the sales proceeds into our development pipeline part of which will start to deliver in 2014. Next year, we will see a full-year of earnings from 17 Cambridge Center plus about $1.5 billion of our new projects will start to deliver which includes 250 W. 55th, 680 Folsom and our Avant residential development in Reston.
As Doug detailed, these projects will generate some incremental income in 2014 but they won't be stabilized and provide a full run rate until 2015 and 2016. In aggregate, these projects are projected to provide incremental NOI in 2014 of $28 million to $30 million. When stabilized, the aggregate of these developments which is weighted by 250 W. 55th St., are projected to generate returns in the low to mid 6% range and contribute meaningful growth to our earnings.
We expect our portfolio is going to continue to demonstrate growth from both a GAAP and a cash basis. Doug did mention a few larger expirations at the Prudential Center and in suburban San Francisco and these leases that total 550,000 square feet will temper our NOI growth and occupancy improvement which we expect to average between 92.5% and 93.5% during 2014.
We are projecting solid performance out of the rest of the portfolio including occupancy growth at Bay Colony, 510 Madison Avenue, Reston Town Center, and Embarcadero Center resulting in projected same-store GAAP NOI growth in 2014 of 1% to 2.5% over 2013 despite a 100 basis point of drag from the three large move outs.
As we mentioned last quarter, on a cash basis, we are projecting another strong year of growth in the portfolio. Our projections for 2014 same-store cash NOI growth are 5% to 6%, or roughly $65 million of improvement over 2013. This represents two consecutive years of strong cash flow growth and as Doug noted, we are building our 2015 cash flow by working through early renewals with positive mark to market in Cambridge and at the Hancock Tower and new leasing in Reston, Bay Colony, the Prudential Center, Embarcadero Center, and Midtown Manhattan.
Our non-cash straight-line and fair value lease revenue for 2014 is rejected to be $70 million to $85 million and that includes $30 million from our developments. We are projecting our hotel to continue to perform well in 2014 and project it contributing $12 million to $13 million in NOI. The contribution of FFO from our unconsolidated joint ventures is projected to be $29 million to $34 million. This reflects some improvement from our current run rate with anticipated occupancy growth at 540 Madison Avenue.
In our fee income from development and management services income, we project $20 million to $23 million in 2014. Now this is lower than 2013 and it's because of the rolloff of several fee development projects. That include the Patriots Park development, the Broad Institute, and 500 North Capital Street, as well as the change in geography of the fees associated with The GM Building that we discussed last quarter.
We project our G&A expense to be $100 million to $104 million in 2014. This is a about $15 million less than in 2013 projection due to the majority of charges associated with our management transition rolling off. Our 2014 projection does still include $4 million of remaining transition charges.
Also projected in 2014 is a 3% annual G&A increase and lower capitalized wages as a sizable portion of our development pipeline is delivering.
Our 2014 interest expense will be lower than our current run rate with the payoff of our $747.5 million of exchangeable notes that come due in mid February that carry a GAAP interest rate of 6.55% and a cash interest rate of 3 5/8%. We also have another $63 million mortgage loan with an interest rate of 5.5% that expires in October and we project paying that off with cash.
We are not projecting raising any additional capital in 2014 and we expect our cash balances to be in excess of $500 million at the end of the year even after paying off our expiring debt and funding our projected development costs through the end of 2014.
We expect the capitalized interest will be $12 million to $15 million lower in 2014 which is mostly due to 250 W. 55th St. where we will stop all interest capitalization in the third quarter of 2014.
In total, we project our net interest expense for 2014 to be $448 million to $452 million. We project our 2014 capitalized interest to be $54 million to $58 million. As we discussed last quarter, due to the consolidation of The GM Building, our interest expense includes $28 million that is associated with our partner's loans that will come back to us in the noncontrolling interest line.
As I mentioned earlier, we are continuing to consolidate Times Square Tower after the partial interest sale and our partner share of income will show as a deduction in noncontrolling interest. For 2014, we project a deduction for noncontrolling interest to be $68 million to $72 million which includes $34 million for Times Square Tower.
So when we combine all of our assumptions, our projections for 2014 funds from operation are $5.20 to $5.35 per share and this represents a significant increase of 8% over 2013 reflecting the steady portfolio NOI growth, the power of our development delivery, and our taking advantage of an attractive interest rate environment by raising debt in the first half of 2013.
Once again I want to stress that we made the strategic decision to sell certain assets in 2013 resulting in the loss of $0.22 per share of FFO in 2014. Had we kept these buildings, our projected FFO growth would be even stronger in 2014. The sale of Times Square Tower which we just announced three weeks ago had the largest impact and our 2014 FFO guidance range would have been $5.40 to $5.55 without the sale.
We also have several additional buildings on the market that Owen discussed. We have not included the sale of any of these buildings in our projections and combined, they contribute an annual FFO of approximately $0.08 per share.
Mort, before we get to questions, I didn't know if you wanted to add anything else?
Mort Zuckerman - Executive Chairman
Yes, I think I would like to make a reference if I may to the continued shareholder interest in our Transbay development in San Francisco. We wanted to provide an update of our progress to date and our thinking about our future plans.
As you know, we have contracted to develop the property to grade. Work on this phase of the project has commenced and will be completed in 2015 and our total investment in Transbay from site acquisition and development to grade will approximate $350 million. We have assembled the market leading leasing team and are having productive dialogues with potential tenants.
We believe leasing prospects will be enhanced by demonstrated construction progress below and above ground. Decisions on whether to proceed with the vertical development of the project do not need to be made until next year. We are refining our final design and exploring ancillary revenue opportunities given the scale and location of the building. We remain very enthusiastic about the long-term prospects of the San Francisco market which we believe is the best office market in the country and we see overall office and residential demand to be quite amazing in that market. And we continue to believe that when complete, Transbay will represent one of San Francisco's most iconic well located and valuable office assets.
We have had a long history of being able to go into markets and acquire sites and start building even when we don't have leases and in a market like San Francisco, this is the kind of market where we think we can really take advantage of both the site we have and the experience we have and to produce what we will describe and what we believe will be the single most prominent building in San Francisco.
I think that's really the one thing that I would like to add to our commentary and I think at this point, I will finish my own remark.
Mike LaBelle - SVP and CFO
Okay, operator. I think we can open up the lines for questions now. Thanks.
Operator
(Operator Instructions). Steve Sakwa, ISI Group.
Steve Sakwa - Analyst
I guess the questions really relate around the dispositions and the inability to put capital to work. And I guess I'm just wondering it sounds like you've got a couple of small assets but do you contemplate bringing other large assets to market today given how frothy the disposition market seems to be?
And then secondly, I know historically you guys looked at maybe selling off Princeton but that market seems to be rebounding quite nicely for you. I'm just wondering where that portfolio stands in the disposition process?
Mort Zuckerman - Executive Chairman
Please everybody join in but look, we are I have to say opportunistic in the general sense both during the development and in terms of disposition. We are always looking to the possibility of translating some of the assets we have to sales into the kinds of revenues that are cash flow or cash simply because we think that there are times to sell as well as times to buy. We have felt that this is a market as you stated where the purchasing market is shall we say frothy but I have received letters from major real estate firms asking if we have any properties for sale because there's a huge market for it.
In that environment sometimes we look at assets and our prepared to take and consider their possible sale because we believe we can recycle the money into developments and create a lot more value out of development than what we think is appropriate for an asset or what is relevant to an asset which is fairly completed, fully leased with a different kind of appreciation future.
So this was just an opportunistic view of looking at our assets, what we do and what we sell and that has been a part of our history for a long time and will continue to be a part of our future.
Doug Linde - President
Just to add to that Steve, I think there are two buckets of assets that we look at from an exit perspective. There are those assets that we have deemed to be outside of where we think the patterns of growth or the abilities to add additional value on an incremental basis are and those are few and far between. But there is a handful of suburban assets that fit that scope of criteria.
And then there are the assets that are, I would say, more core to what Boston Properties is all about. And to the extent that somebody is going to provide us with an offer that reflects a dramatically different prospective view on the growth characteristics of the cash flows from that asset, I think we owe it to ourselves to consider looking at those assets and looking at whether or not we can better redeploy the capital elsewhere.
So those are the two baskets that we sort of look at when we are approaching those decisions.
And with regards to Carnegie Center, that's how we are going to approach as we look at 2014, and we are going to make that determination as we best see fit.
Steve Sakwa - Analyst
Okay. I just had a follow-up for Mike LaBelle. I guess when you were going through your list of FY14 numbers, I think you said that the developments would contribute $28 million to $30 million of NOI partially, but I didn't hear the stabilized number that got to below 6% yield. I guess that would be by late 2015 or maybe early 2016. What was that number?
Mike LaBelle - SVP and CFO
Well, it was related to $1.5 billion of development delivering at low to mid 6% NOI yield. That will deliver -- the Avant residential project as Doug mentioned is going to lease up during 2014, and be stabilized in early 2015. 250 W. 55th St. will be fully stabilized by 2016. It's going to be income coming in in 2014, income coming in through 2015, and should be fully in by 2016.
Steve Sakwa - Analyst
Okay, thanks, guys.
Operator
Jamie Feldman, Bank of America-Merrill Lynch.
Jamie Feldman - Analyst
I was hoping you could just provide your latest thoughts on new supply risk in both San Francisco and New York.
Doug Linde - President
Well, let's talk about San Francisco first. So in San Francisco there is one building that is currently under construction after -- other than 535 that was done on a speculative basis, which is Foundry III. And I believe at this point Foundry III has leased 80% of its available space to two or three technology companies. And all of that activity has happened in the last, call it, 9 to 10 weeks. And I think a couple of leases haven't been signed yet.
And then after 535 Mission (inaudible) has one available building and assuming Jay Paul gets his permits, he will have a building and then there is the Transbay Tower for the next quote unquote group of potential assets that are likely to hit in the 2015 to 2017 timeframe.
New York City I think is all about the Hudson Yards with regards to lead tenant activity and then the Brookfield land parcel next to Farley and then finally, what happens down at the World Trade Center buildings from the perspective of new additional tenant demand starting off those buildings. I think they are more build to suits than they are speculative opportunities.
To be honest about New York City, particularly in the large tenant market, the real issue is the consolidation of the large financial services companies and I'm sure Brookfield talks a lot about this more than we do downtown because they have obviously a portfolio there, but Chase is going to be moving out of 1 Chase Plaza, Barclays has some space that is on the sublet market. Citigroup is obviously talking about a potential consolidation someplace in the city which would presumably mean giving up space.
And so there are large blocks of space predominantly downtown that are going to be a factor in I think the way tenants view large opportunities for new real estate development over the next three to four years.
Jamie Feldman - Analyst
Okay and I guess sticking with Citi, do you have any update on their plan at 399 Park?
Mike LaBelle - SVP and CFO
We don't. So Citi is in about 500,000 plus square feet at 399. 100,000 square feet of that is retail oriented space on the ground floor. About 90,000 square feet is concourse space. So they have about 350,000 square feet of office space in the building and of that, about 150,000 square feet is sublet to other tenants. So their physical use of space at 399 is just over 200,000, 225,000 square feet on the office side. Presumably whatever decision that they make regarding their next home on a long-term basis will have an impact on 399.
Jamie Feldman - Analyst
Okay, all right, thank you.
Operator
Josh Attie, Citi
Josh Attie - Analyst
Good morning. How are your thoughts on Transbay evolving with respect to bringing in a capital partner?
Mort Zuckerman - Executive Chairman
We are still open to that possibility. This is Mort again. A lot will depend on where we are with major tenants and conversations with major tenants but for the moment we haven't made any decision on that.
Josh Attie - Analyst
You are generating a lot of asset sale proceeds and finding it difficult to source acquisitions. Beyond Transbay, is there a shadow development pipeline where you can put some of the money to work? And if there is, can you talk a little bit about it?
Mort Zuckerman - Executive Chairman
Well, let me say just in general, that's the fundamental part of our business which is really looking for these kinds of sites and seeing where we are in terms of the attractiveness of sites and the possibility of their development. The nature of the market is such it's not a steady flow of opportunities or of leasing. So we just have to be opportunistic in that regard and we really don't have anything to make in the way of public comment other than just general statements.
Anybody else want to add anything to this?
Doug Linde - President
I kind of looked at that as a layup question because it points to where the opportunities for us are in the near- and short-term. We have this residential development that we are talking about in Cambridge. We are in the process of permitting two additional residential sites in Reston on the site that we purchased earlier this year. We are talking about a build-to-suit opportunity in suburban Boston on our site at 10 and 20 CityPoint. We have two or three tenants that are actively looking at that.
We are in the process of going through the rezoning of the significant development there. I think we referred to pretty directly in our analyst meeting about a year ago in Reston when the new rail station comes to our property at Overlook and opportunities to build millions of square feet of density, some of it commercial, some of it residential, some of it potentially hotel or retail on that particular parcel tangent to our existing developments in Reston Town Center.
Surprise surprise, Ray is actively looking at a couple of sites in Washington DC and chasing some build-to-suit opportunities there. Given his track record of success, we are optimistic about.
And then obviously in San Francisco, I think that what our development platform looks like today is probably a good place for you to think about what our activities will look like in the near future. There are some things going on in New York City that we are not going to really talk about where there are obviously sites that could be redeveloped or where additional density could be added to current buildings that might make for terrific buildings in Midtown. So we are aggressively pursuing those types of endeavors.
Josh Attie - Analyst
Thank you.
Operator
Michael Knott, Green Street Advisors.
Michael Knott - Analyst
Mike, I was wondering if you could give a little more color on the occupancy forecast for next year. I think you said 92.5% to 93.5%. That is a year-end 2014 number?
Mike LaBelle - SVP and CFO
That is an average during the year number so as Doug mentioned and as I mentioned, we are losing 550,000 square feet during the year but we've got opportunities for lease up and the activity is strong in some of the other places.
In Bay Colony, as you can see, this quarter, we are up to about 72% but there's a lot to still lease there and we are seeing great activity. So we are going to see upticks there. In New York City at both 510 and 540, again, this quarter it doesn't look like we did much leasing. The stuff we've done over the last one or two quarters hasn't started yet so we have signed leases but they haven't started yet so they are not in our supplemental.
Plus we continue to see good activity so the numbers that Doug gave of being at 80% with the deals we have signed and being at 90% in those buildings during 2014 are very achievable kinds of numbers.
And then you look at Embarcadero Center where we don't have a lot of vacancy but we have got a letter of intent that we are working on that Doug mentioned on 2.5 floors at EC 4 which will probably take us from 96% to 98% or something there.
And then in Reston, we continue to lease up with a big transaction that Doug talked about which is going to add to our occupancy there. So it's really everywhere. I think we are doing really, really well and obviously you have these move outs every once in a while and you've got some down time and the Blue Cross Blue Shield 300,000 square feet -- we have that leased. We know that income is coming in in 2015 so we're just going to be down by 300,000 square feet in 2014 and lose $10 million in 2014 on a temporary basis.
Michael Knott - Analyst
Okay. So it sounds like you guys feel better about the direction your markets are heading in. You feel like your sentiment today is better than what you would have thought six months ago, nine months ago?
Doug Linde - President
I would say that our macro sentiment remains the same. I think that we've seen a consistency in the demand in our buildings and our markets and remember -- I don't think you can for example look at our portfolio in Midtown Manhattan where our availability has been which is the high-end market of above $90 a square foot as the Manhattan market, right? It's an important subset and submarket in Manhattan but for us it's been consistent for the last six months.
So I don't think there has been a strong change in our view. San Francisco is again as I described really pretty consistent with what we saw in 2010 and 2011 and 2012 and so we are very comfortable with the meat that's behind the demand there in that marketplace. So I think it is sort of status quo on the increment things still feel good, not frothy and not depressed.
Mort Zuckerman - Executive Chairman
I'm going to just add one general comment because this goes back to our fundamental strategy which is to have the highest quality buildings in the highest quality locations and in the best markets and frankly these kinds of buildings have done really well it seems to me in this current environment. When we think about the overall macro environment, I think we have continued to do very well in our leasing. We think we are going to continue to do well on our leasing.
So I think we are very comfortable in our position. I don't think we expect there's going to be a bull market in everything but I think we're going to continue to do well.
Michael Knott - Analyst
Okay, thanks. And then if I can just ask about a little more color on the magnitude of the DC relocations that you're going to be dealing with, that Ray is going to be dealing with and his team there?
Ray Ritchey - EVP, National Director of Acquisitions and Development
Michael, we have got three major leases that we are focusing on and believe it or not, these leases don't expire until 2017, two of them 2017 and one of them in 2019. Jon Kaylor in our DC office was quite genius when he structured a renewal of the lease that forces the 19 (inaudible) at Met Square to exercise a renewal option in 2015 to make some space becoming available. So we are already focusing on that lease.
That will look into consolidate 200,000 square feet at the top of Met Square and those of you who have visited the building know it's probably the best space in the city. So we are very optimistic about that one. We are renewing hopefully Finnegan at 901 New York. That's roughly 220,000 square feet, expires in 2017. We are in active discussions with them.
And lastly at 1330 Connecticut, we've got Steptoe & Johnson, and again 220,000 square feet, we are in active discussions with them down between stay put and a possible relocation. But we reserved 50,000 square feet in the building we own directly across the street to give them optimal swing space so that it will facilitate a relocation in place.
So I'd say we look in very good shape in all three. Again, consistent with our past philosophy, we are way out in front of these leases before they get the new car smell of moving to the new buildings. So we are pretty optimistic about keeping all three.
Michael Knott - Analyst
Yes, thanks.
Operator
John Guinee, Stifel.
John Guinee - Analyst
Thank you. Great full explanation here. Doug, a smart guy in your DC office once said to me that A tenants pay A rents for A product and what appears to be happening in all these markets is excluding the hedge fund and looking at your rank-and-file law firms, defense contractors, financial service, tech tenants, they are willing to pay a certain price for a good product in a good location and then that demand almost falls off and they've got a ceiling in terms of what they are going to pay. Do have a sense for in these various markets the demand goes from reasonably strong to very thin at some certain price point?
Doug Linde - President
I think you are asking the question what's the size of the demand at the high-end in these marketplaces?
John Guinee - Analyst
I would say not the hedge fund high-end but the law firms, the tech firms, the financial service who want to be in good quality space and they are willing to pay up to a certain price but then all of a sudden they just say it is not my budget, I can't pay it.
Doug Linde - President
Yes, the interesting thing, John, I think is that's not the conversation that those people are having. Particularly with the regards to the technology firms, they are going to pay the market price to be in the kind of buildings they want to be in for the mature companies. I could describe 1 million square feet of leases that are getting done right now in San Francisco where the rent effectively is in the high $50s, low $60s starting with dollar increases every year and most of those tenants are paying their own electric. That is the going rent for those types of buildings.
The Cambridge market again, there's no availability so they will pay what is necessary to be there. The high end in Manhattan I think is very strong from a demand perspective but it's a small marketplace and so if you are patient you will get your price. The question is how long will it take you to achieve enough demand to fill up the buildings and as we've seen with 510 Madison, our pricing has been very consistent for the past 2 plus years and we are filling up the building and we are getting more than our fair share of the market demand but it's not a universe of millions of square feet of space.
It's 750,000 to 1,000,000 square feet of overall demand year in and year out and that's been the case for the last three years. So that's the way the market is.
John Guinee - Analyst
Great, okay. Than the second question and I think it's -- and correct me if I'm wrong on these numbers -- but I think your total development costs at Transbay are fairly reasonable, $700 to $725 a square foot but correct me if I'm wrong, and to get a 7% yield on that, you really only need only maybe $75 gross and $50 to $55 net which are numbers that are being achieved along California Street and in Embarcadero for the better product.
First, are those numbers reasonably correct? And then the second question is that California Street is still -- has a surprisingly large amount of parking and the Mission Street market is surprisingly void of parking. Is that going to be a hindrance in moving people from the traditional financial district to the Mission Street market?
Doug Linde - President
I'll answer the first part of the question and I will let Bob Pester answer your question regarding parking.
We have assumed about $1 billion for total project costs and it's $1.4 billion. So you do the math, it's $710 a square foot or something like that for our overall costs and that's a number that includes the cost of capital associated with our equity as well as a lease up period of time that's pretty extended given the size of the building.
I think your rents are slightly low largely due to the fact that we are in a Mello-Roos Bond District, which means our taxes will be slightly higher than a building that's outside of that area. So we -- you have to factor that into the numbers.
Rents at the top buildings at the higher end are being -- deals are being achieved now in the low $70s to the mid-$80s for relocations and renewals. So we are very optimistic that as I said before, the velocity of deals is going to pick up in that higher end and we are going to be able to attract both the traditional financial services companies as well as some of the nontraditional but very important and now becoming market growers in the mature technology companies into Transbay.
So Bob, you can talk about the parking.
Bob Pester - SVP, Regional Manager
Obviously, the more parking that you can have in San Francisco the better. Mission Street clearly is not going to have the parking that you see in the traditional North Market office building based on current zoning. We think the advantages of being next to the Transit Center and the potential for the Caltrain hookup and also for BART far outweigh the diminished parking that will be in that area.
John Guinee - Analyst
Great, wonderful. Thank you very much.
Operator
Jordan Sadler, KeyBanc.
Jordan Sadler - Analyst
Thank you, good morning. Wanted to just talk about New York for a second. It was reported in one of the local papers that you guys were in the running for 1 Chase Plaza at some point. And I'm just curious about your thoughts on the downtown market and what the potential play might be for an asset like that?
Mort Zuckerman - Executive Chairman
I will take a shot at that. We really were never in serious contention for 1 Chase. That was just not the kind of real estate that we thought was in our sweet spot. So I have to start off with that.
Look, I think the downtown market is going to be a function obviously of the financial world and the financial and legal world associated with it and it's hard really to be able to project that market because in part we all know technology is having a big effect on some of those firms, both the financial firms and the law firms. We have always stayed primarily in the Midtown market where we feel we can build the quality of buildings that has been in our traditional mode and that we can do well in terms of those buildings, both the buildings that we offer and the management that we offer.
I think that will still be the predominant focus of our activities. It doesn't mean that we are not going to be willing to look at other sites because frankly we are going to be opportunistic. It all depends on what we think of a specific site and its specific attraction. But as a general rule, I think we are going to stay in the Midtown market where we have done so well and continue to do very well. Our buildings are doing very, very well here. We think we are going to continue to do well here and this is where I think we're going to continue to focus.
Owen Thomas - CEO
Just to add to what Mort said and Doug's comments earlier in the call, the downtown market is highly competitive from a leasing standpoint given the standing vacancy. I think for the buyer for 1 Chase Manhattan Plaza, it is clearly a value play. The reported price on the sale was $725 million. It's a 2.2 million square-foot building so that's $330 a square foot. We sold a 45% interest in Times Square Tower in Midtown for over $1200 a square foot. So clearly a value play has got to be the thesis for the group that bought it.
Jordan Sadler - Analyst
Okay, that's helpful. And as it relates to construction costs, you guys -- you are obviously doing quite a bit of development. Curious as to your thoughts on construction costs going forward and how you are underwriting them and then your return expectations along the same lines for development.
Doug Linde - President
So on the construction side, it's interesting, part of it is very much market dependent because labor is such an important and critical factor in a lot of construction and so while we are seeing some creep in San Francisco and we are seeing some amount of creep in markets like Cambridge and Boston just given sort of the number of cranes in the sky and the amount of apartments that are currently being conceived of and ultimately started.
In a market like Washington DC, we just priced and finished our lump sum numbers at 601 Massachusetts Ave. and they were slightly below what we were projecting. So we feel really good about the cost control views that we have on the hard costs associated with buildings like that in markets like that because there's just less going on.
With regards to our return expectations, that's a tough one. It's very much dependent upon where we view overall interest rates at a point in time, where we view the risk on the lease up and where we view the quality of the credit demand associated with the building. And it's going to change. Is the number going to be 10% today? God, I wish I could tell you that but it's just not achievable.
Most of the deals that we are looking at have an overall cash on cash return fully loaded in the mid single digit so that's from the high 6s to the low 8s. That's where things are being projected from a conceptual perspective. We may do better than that. We may do slightly worse than that depending upon where leasing ultimately turns out and obviously in those locations where we have embedded land value that's really in at zero in terms of what's on our balance sheet, what it actually shows up at from a return on cost when we deliver to you is actually going to be higher than that.
But when we think about how we are pricing our rents we try and assume what the market value of that land is not what our basis is.
Jordan Sadler - Analyst
Thanks for the color.
Operator
Rob Stevenson, Macquarie.
Rob Stevenson - Analyst
Doug, the law firm consolidation stuff is back in the news again. How much of a threat do you guys view that to the business in the short and intermediate term?
Owen Thomas - CEO
Rob, it is Owen Thomas. I think the consolidation or what I call densification of law firms is I think clearly have been demonstrated in the marketplace in a very high percentage of law firms that are renewing their leases. Either they are renewing in their existing buildings or they are moving. They are downsizing and grasping various technology benefits and use of their space.
In terms of the consolidation of law firms themselves, I suppose that is a theoretical risk. I'm not sure that's as big an issue as it is simply the downsizing of law firms when they are moving.
Doug Linde - President
One of the things that's obviously going on in the legal industry is that every firm is dramatically changing the way that they are using space and doing their work. There are two things -- there are sort of two primary things to consider. One is that many firms are outsourcing what we would refer to as the administrative functions to lower cost environments and that is not Boston, Washington DC, San Francisco or New York.
And so as that happens, if there is a consolidation, what is going to be left in the cities where they are consolidating? As an example right now, there's a rumor on the mill that two firms in San Francisco, Pillsbury and Orrick, are looking at merging. Pillsbury just moved into Embarcadero Center and they are using their space and fully utilizing all of their space. Our understanding is that Orrick, which did something similarly a few years ago in Foundry has gotten very little space because quite frankly these firms have gone through the first stages of the corporate densification that Owen just described.
So if they merge together, unless they are looking to cut the actual number of lawyers who are practicing in those firms because they don't think that they need them anymore, we don't see a lot of quote unquote space utilization risk in the future from those types of operations. It's very possible that a decade from now technology will have changed again and there will be another change in the way law firms are utilizing space.
We think that there is very little shadow availability within any law firm that has done a lease in the last call it four or five years. Certainly the deals that are being done right now and in fact in many of the transactions that we have done, we've actually seen our law firms take a little bit of incremental space after they signed the original lease because they were being a little bit too cost-conscious with regards to how much space they were using.
But again, that's because they've driven things down by 25% or 30% in terms of the overall utilization of space that they have in their newer installations.
Rob Stevenson - Analyst
Okay. And then one for Mike. What's the thinking on the timing of the potential special dividend? And do you have any slack in the regular dividend to the extent to where if you guys did acquisition but it wasn't enough to cover the full Times Square gains that you could accommodate some of that in the regular dividend and not have to pay a special?
Mike LaBelle - SVP and CFO
With regard to the timing, we are going to decide the timing over the next 30 to 45 days. It's possible we could get paid this year. It's possible we will be paid early next year. Like I said, we are going to be discussing that and talking about it.
With regard to having a smaller acquisition having an impact, it's unlikely because you've got to eat through so much first before you can actually get the benefit. So it would have to be a pretty large acquisition in order to be able to do the 1031. The identification date is in mid-November so it's coming right up and as Owen mentioned, we haven't identified anything right now necessarily.
So I think our view is it's pretty unlikely that we are going to be able to shelter any of that which is why we've been talking about the potential for the $2.25 dividend if we don't find anything at this point. Does that answer all of your questions?
Rob Stevenson - Analyst
Yes, thanks.
Mike LaBelle - SVP and CFO
Okay, great.
Operator
Alexander Goldfarb, Sandler O'Neill.
Alexander Goldfarb - Analyst
Good morning, thank you. The first question is on the retail space, two parts. One is obviously there is still some retail space available at the base of 510. But just more broadly, are you guys -- if the office market may not be as robust as we wish, are you guys seeing more opportunity in the ability to drive rents out of your retail space especially just given some of the recent flagship pricing trades that have occurred?
Doug Linde - President
I will try and answer this and allow others to chime in if they want. So we have a retail space which is a restaurant space at 510 Madison Avenue and we are being I'd say very thoughtful about the overall image and use of that space. There are a number of transactions that we could have done that we have chosen not to do because we didn't think it was the right thing for the building and the tenancy in the building and the image that it might bring to the 305,000 square feet of other space that is being leased in the building.
With regards to our portfolio, I think that as we look at three or four different places, the Reston Town Center and Embarcadero Center and the Prudential Center, there's obviously a very significant retail component to all of those and clearly enhancing the retail demand and the ability for retailers to generate large sales which will obviously lead to them being prepared to pay large rents is critically important to us and it's something we spend a lot of time on.
And then the other major asset obviously is the General Motors building, 757 Fifth Avenue where we did our deal with (inaudible) and the Toys "R" Us lease is expiring in another two years I believe and there are going to be a major rethinking of how that space is used and by whom and we think obviously it's got a tremendous amount of embedded opportunity. I think the Toys "R" Us lease is probably a fair representation of what the current income is for portions of that space. So I'm not sure there's tremendous amounts of additional embedded growth there but we certainly think that we can maintain something very similar to what we are currently getting there.
Alexander Goldfarb - Analyst
Okay and then the second question is with regards to the TD Boston Garden mixed use development that you guys are contemplating in Boston, how do you envision the development program as far as would you be willing to undertake that at the same time that you have 250 finishing up and Transbay is still in process as far as doing foundation? Or would you want to see Transbay really pre-leased and set to go before tackling another major development investment?
Doug Linde - President
I think the implicit question you are asking is do we have a tolerance for the amount of available space that we want to build at any one time, right?
Alexander Goldfarb - Analyst
Yes, I guess, Doug, that's a much better way of saying it then -- thanks.
Doug Linde - President
So my answer is that I think it's something we should certainly think about overall given our portfolio but we also have to consider what we are actually going to be having rolling over at any one time one point in time. So if we had 3 million square feet of additional space rolling over in those markets adding to the available inventory of -- vacancy might not necessarily be a good thing but if in fact we have very little space rolling over in those markets, it may be a risk and an opportunity more importantly that we want to pursue.
With regards to the TD North Garden site in particular, I think it's a slightly different animal in that the base of the building -- knock on wood -- we get our permits is going to be primarily anchored retail where we will have lead tenant demand in place before we even start. And then there are three towers that are being contemplated. One of them is a residential tower which I think at this point we are -- we would probably have a strong desire to be involved with on an ownership basis.
There is a hotel where I think the jury is out as to whether or not it's something we want to do and how that will get done. And then there's an office building component. There's a low rise office building component and a tower office component and the tower is not being contemplated as part of the original phase. So the amount of office space that might be built there at the base is pretty limited; it's a couple hundred thousand square feet of space.
So I don't think that the overall impact on what's going on at the North station site is really impacted by the sort of original question that you asked.
Alexander Goldfarb - Analyst
Okay so if I understand correctly, there's the base -- the lead retail that would be -- once you get that signed you would proceed and it sounds like obviously apartments involved assuming that market is good, you'd proceed. But then the office part would be something that would be out in later years so it wouldn't be part of the initial phase. Is that correct?
Doug Linde - President
Correct. The tower office would be in a later year.
Alexander Goldfarb - Analyst
Okay, thank you, Doug.
Operator
Vance Edelson, Morgan Stanley.
Vance Edelson - Analyst
First on 250 W. 55th, could you provide a feel for the lease durations and more specifically the conversations with tenants? Is there any element of granting lower rents in return for longer lease terms of is it more the best of both worlds for you in that tenants are willing to pay higher rents for the prime real estate even when they sign for the long-term?
Doug Linde - President
So the two leases we have done are both 20 years and the two leases that we are negotiating I believe one is 15 and one is 20. So for a building like this doing a long duration lease is the norm. I will tell you that we believe that the utility of the building, the efficiency of the building, the volume of space that we are providing our tenants is allowing us to get a rent that is a premium to the similar size spaces in the upper West side market of Midtown Manhattan.
In other words, the rents that we believe we are going to achieve and that we are achieving are rents that are a premium to what you could achieve on Sixth Avenue or on Seventh Avenue or on Eighth Avenue and the other existing inventory in the marketplace.
Vance Edelson - Analyst
Okay, that's great color. And then could you also just describe your conversations with NRG leading out to the build to suit? I'm just curious on the read across if any to New Jersey real estate. Were they unable to find anything even with relatively high vacancies out there that fit their needs?
Micky Landis - SVP, Regional Manager
The real answer is that they wanted to be under one roof. They currently lease in three different leases from us spaces in two buildings and they were looking to both expand as Doug mentioned by about 40,000 feet and put all employees under one roof.
Vance Edelson - Analyst
That's helpful, thank you.
Operator
Vincent Chao, Deutsche Bank.
Vincent Chao - Analyst
Just want to go back to the development conversation regarding the risk tolerance. It sounds like the overall availability including existing stock is a big factor obviously but just curious you are at about 10% to 11% of gross assets. I'm just wondering how high would you let that go before saying it's too much in terms of development risk? And then I've got a follow-up after that.
Doug Linde - President
We've never had a bright line test. Again, it's factored back to the availability in those buildings. So if we could build 5 million square feet of buildings that were leased to credit tenants, we would have absolutely no tolerance for surpassing the 10% and going to 20% or 25% because of the comfort level that we have with regards to the risks associated with development, managing construction, doing permitting, dealing with financing and then ultimately knowing that we have tenancy.
So it's really a question of the speculative nature of that pipeline I think that is the more pressing question. Again, I have to go back to what I said previously which is it's really a question of what the rest of our portfolio looks like and how we feel about the overall availability of space in each individual market relative to what our particular availability is in our portfolio in that market and how comfortable we are at any one point in time with that equation.
Mike LaBelle - SVP and CFO
The other thing I would add, Doug, we have $2.5 billion underway right now but $1.5 billion of this is delivering. It is basically constructed. 680 Folsom is effectively leased. One of their residential projects and then we talked about 250 where we've got it over 70% committed and we think it's going to be stabilizing over the next 12 to 18 months. So that's going to be rolling off.
So there's opportunities for us to replace that with the new opportunities that we we've been talking about and I don't think that we are necessarily limited by the opportunities that we could potentially have.
Owen Thomas - CEO
And also I would just point out for example the TD site in Boston is a partnership. So it's not a 100% Boston Properties which I think is also a factor.
Vincent Chao - Analyst
Okay, thanks. That actually was my next question was just with the 250 W. 55th and about half -- almost half the pipeline delivering relatively soon, I know you don't want to give too much detail on what the shadow pipeline looks like but can you give us a sense order of magnitude, are there enough projects in there that could replace that $1 billion within a reasonable timeframe?
Doug Linde - President
Within a reasonable timeframe? Absolutely.
Vincent Chao - Analyst
That being within six months?
Doug Linde - President
No, come on. Development is a long-term process so we have well in excess of $1 billion or $2 billion of potential deals that we have control over right now and I think the question is how long does it take us to lay that stuff out and then additionally as Mort described, there are other things that we are looking at which would be incremental to that.
So if there were a site as an example in Manhattan, you are talking about likely a $750 million to $1 billion development right there. So these are chunky projects.
If we are lucky enough to get a lead tenant for our building at 888 Boylston Street, that's another 450,000 square foot project which has got a significant cost associated with it. So again, there are lots of opportunities within the portfolio that we currently control that can replace that development portion that Mike talked about that's -- it's not really rolling off, it's rolling into income which is obviously a good thing.
Vincent Chao - Analyst
Okay, thank you.
Owen Thomas - CEO
Mort, I don't know if you have any closing remarks you want to make.
Mort Zuckerman - Executive Chairman
No, I just think that we've pretty much covered the waterfront and as you know again, we have to underscore the fact that this is still an opportunistic business and an entrepreneurial business and you just never know what's going to come up and we are still going to be open to these kinds of opportunities if they do come up. That's just been the hallmark of what we've done for all those years and we hope it's going to continue.
But we also are aware and you've heard a number of us including myself express some wariness about the overall macro environment and we take that very seriously into account. The one benefit of that that we've been able to capitalize on of course is the record low interest rates and we intend to look at our portfolio in every way to take advantage of that and that will still I think be an advantage to us as we look forward to financing or refinancing assets or developing assets because we can put together the kind of financing at rates that frankly we have never seen before. That really does change the risk portfolio as we look forward to what we might or might not do.
Doug Linde - President
One last comment. Most of us will be in beautiful San Francisco in 2.5 weeks for NAREIT and we are going to attempt to get a gathering together where we can sit and talk a little bit more about our San Francisco projects specifically when we are out there. So look for a notice of that over the next week or so so we can hopefully get as many of you as possible to get a little bit more first-hand understanding of the Folsom Street project, 535 Mission, as well as the Transbay project.
Thanks a lot and we will see you in a couple of weeks.
Operator
This concludes today's Boston Properties conference call. Thank you again for attending and have a great day.