Office building · Midtown, Manhattan
919 Third Avenue
New York, NY 10022
919 Third Avenue is a 46-floor office building in Midtown, Manhattan, built in 1970, with about 1.2 million square feet of office space according to city records.
Also at 201-229 East 55th Street, 216-220 East 56th Street and 915 Third Avenue.
- Office space
- 1.2M SF
- Floors
- 46
- Year built
- 1970
- Zoning
- C6-6
The 24th largest of the 351 office buildings we track in Midtown. Compare it with 6 neighbors
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Compared with its neighbors
How 919 Third Avenue compares
Next to the 6 nearest large office buildings, all within a 2 minute walk, 919 Third Avenue is the largest by office floor area. It went up in 1970; the median neighbor dates from 1960. Its estimated property tax, about $18.47 a square foot of floor area before abatements, is above the neighbors' median of $12.03.
| Building | Office space | Floors | Built | Tax / SF | Last sale |
|---|---|---|---|---|---|
| 919 Third Avenue | 1.2M SF | 46 | 1970 | $18.47 | n/a |
| 909 Third Avenue | 831K SF | 32 | 1967 | $10.70 | Jun 2021, $192M |
| 165 East 56th Street | 46K SF | 8 | 1958 | $4.64 | May 2026, $39M |
| 160 East 56th Street | 47K SF | 12 | 1927 | $14.92 | Jul 2016, $44M |
| 900 Third Avenue | 510K SF | 36 | 1983 | $14.20 | n/a |
| 155 East 55th Street | 60K SF | 13 | 1961 | $7.17 | Jun 2021, $47M |
| 155 East 56th Street | 41K SF | 6 | 1960 | $13.36 | Apr 2010, $12M |
Sources: NYC Department of City Planning, PLUTO 26v2 for size, floors and year built; NYC Department of Finance 2026/27 roll for tax (taxable value times the class rate, before abatements, over the whole floor area); ACRIS for the last deed that moved the whole lot for a real price (a price for several lots is their combined price; condominiums sell by the unit and show n/a). Large means at least 35,000 SF of the building's main use. Walking times are straight-line estimates.
NYC tax lot records
Building facts
- Other addresses
- 201-229 East 55th Street; 216-220 East 56th Street; 915 Third Avenue
- ZIP code
- 10022
- Building type
- Office building (city class O4)
- Total floor area
- 1,323,432 SF
- Commercial floor area
- 1,323,432 SF
- Office
- 1,211,280 SF
- Retail
- 24,633 SF
- Industrial and storage
- 6,674 SF
- Height
- 46 floors
- Average floor
- About 28,800 SF (floor area divided by floors)
- Year built
- 1970
- Last major alteration
- 2016
- Lot area
- 64,768 SF
- Zoning district
- C6-6
- Built FAR
- 20.43
- Max commercial FAR
- 15
- Tax lot (BBL)
- 1013290001
Nearest subway
- Lexington Av/53 St
- 59 St
- Lexington Av/63 St
Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-10-16; addresses from the Property Address Directory (PAD) 26b; subway stations from the MTA Subway Stations dataset, pulled 2026-10-16. Floor areas are the city's estimates for the whole building, not available space. Walking times are straight-line estimates. How we build these pages. Something wrong on this page? Tell us.
NYC storefront registry (Local Law 157)
Storefronts and vacancy
Owners registered 2 storefronts at 919 Third Avenue for December 31, 2025, the newest annual filing the city has published, and none stood vacant that day.
- Storefronts registered for December 31, 2025
- 2
- Vacant that day
- 0
- Share vacant across Midtown
- 14.3%
- Share vacant along Third Avenue
- 14.6%
- Share vacant citywide
- 9.2%
Vacant on December 31, by year
Need a storefront in Midtown? Get matchedNYC storefront vacancy report
Source: NYC Department of Finance, Storefronts Reported Vacant or Not (Local Law 157), annual filings for 2019 to 2025, pulled 2026-10-16. Owners of buildings with ground- or second-floor storefronts register each one every year with its status on December 31; counts are by tax lot, as the owners filed them. The 2025 filing was due June 1, 2026, so a storefront vacant then may have been leased since. A vacant storefront is not always on the market, and none here is listed on Leasemark unless it shows above.
NYC Department of Finance records
Owner, property tax and assessed value
The Department of Finance lists SL GREEN REALTY CORP. as the owner of record. For tax year 2026/27 the city values 919 Third Avenue at $500.8 million and assesses it at $225.3 million. After phase-ins and exemptions its taxable value is $225.3 million; at the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists) that comes to about $24.4 million a year before abatements, roughly $18.47 per square foot of floor area. Commercial leases here often pass a tenant's share of tax increases over a base year through as additional rent.
- Owner of record
- SL GREEN REALTY CORP.
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $500,777,800
- Land market value
- $111,000,000
- Assessed value
- $225,350,000
- Estimated yearly tax
- About $24.4 million
- Tax per SF of floor area
- About $18.47
City market value by tax year
Manage or lease this building? Claim this page. Requests are reviewed by hand.
How to find who owns any NYC buildingSource: NYC Department of Finance, Property Valuation and Assessment Data (2026/27 roll; owner names as the roll records them, which cuts some long names short), pulled 2026-10-16; tax rate from the Department of Finance tax rates page, checked 2026-09-28. The estimate is the taxable value times the class rate. It leaves out abatements, payment-in-lieu-of-taxes agreements and charges, so the actual bill can differ.
Own or manage 919 Third Avenue? List a space here free and we match it against every active requirement. Renting it out yourself? Read the landlord's checklist.
NYC energy benchmarking (Local Law 84)
Energy use and emissions
919 Third Avenue's 2024 Local Law 84 benchmarking filing got no ENERGY STAR score (no single use that ENERGY STAR scores covers more than half of the floor area), and Local Law 33 letter grades come from that score, so the filing does not yield an A to D grade. Its site energy use came to 73.9 kBtu per square foot, 73% above the national median of 42.8 for a similar property. Its greenhouse gas emissions were about 10,399 metric tons of CO2e (6.89 kg per square foot).
- ENERGY STAR score (2024)
- None given
- Property type (Portfolio Manager)
- Other - Technology/Science
- Site energy use intensity
- 73.9 kBtu/SF
- National median for the type
- 42.8 kBtu/SF
- Greenhouse gas emissions
- 10,399 t CO2e
- Emissions per SF
- 6.89 kg CO2e
- Floor area in the filing
- 1,433,078 SF
Energy sources in 2024
Source: NYC Department of Buildings and Mayor's Office of Climate and Environmental Justice, NYC Building Energy and Water Data Disclosure for Local Law 84 (2024 filing), pulled 2026-10-16; grade cutoffs from the Department of Buildings energy grades page. Figures are as the owner filed them in ENERGY STAR Portfolio Manager.
NYC Department of Buildings permits
Work permits and build-outs
In the 12 months to October 2026, the Department of Buildings issued first permits for 22 jobs at 919 Third Avenue. In the last two years, interior work was permitted on 19 floors (floors 1, 3, 6 to 9, 14, 17, 27 to 32, 34, 40 and 45 to 47, the cellar and the sub-cellar). The newest build-out, on floor 34, was first permitted in February 2026 (construction, mechanical; filed cost estimate $84,000). A sidewalk shed permit here is active until December 31, 2026.
- New jobs, last 12 months
- 22
- Initial permits, last 12 months
- 24
- Newest job first permitted
- April 2026
- Interior build-outs, last 24 months
- 26
- Floors with interior work, last 24 months
- 1, 3, 6 to 9, 14, 17, 27 to 32, 34, 40 and 45 to 47, cellar, sub-cellar
- Facade and sidewalk jobs, last 24 months
- 7
- Sidewalk shed permit
- Active until Dec 31, 2026
Recent build-outs
New jobs by year
Build-outs across MidtownWhere NYC offices are being built out
Source: NYC Department of Buildings, DOB NOW: Build Approved Permits, pulled 2026-10-24 (permits issued through 2026-10-22). A job counts once, when its first permit is issued; renewals are not new work. A build-out groups jobs on the same floors first permitted within 120 days of each other. Costs are the estimates filed with the jobs. Jobs filed before DOB NOW (in the older BIS system) are not counted. A permit is approval to do the work; it does not say who the work is for or whether it is finished.
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Next door, in the Upper East Side
783 Madison 4th Floor
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Questions about 919 Third Avenue
How big is 919 Third Avenue?
919 Third Avenue has about 1.3 million square feet of floor area in total, including 1.2 million square feet of office, 25,000 square feet of retail and 7,000 square feet of industrial and storage space, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.
When was 919 Third Avenue built?
City records list 1970 as the year built, with a major alteration recorded in 2016. The building is 46 floors tall.
What other addresses does 919 Third Avenue have?
City records list 201-229 East 55th Street, 216-220 East 56th Street and 915 Third Avenue on the same tax lot (BBL 1013290001) as 919 Third Avenue. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 919 Third Avenue?
919 Third Avenue is in ZIP code 10022, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 919 Third Avenue, New York, NY 10022, in Midtown.
What is the zoning at 919 Third Avenue?
The lot is in the C6-6 zoning district. PLUTO lists a built floor area ratio (FAR) of 20.43 and a maximum commercial FAR of 15 for this lot.
What subway station is closest to 919 Third Avenue?
The closest subway station to 919 Third Avenue is Lexington Av/53 St (the E, F and 6 trains, connected to 51 St), about 650 feet away in a straight line, roughly 2 minutes on foot. The MTA lists it as an accessible station. Also nearby: 59 St (the 4, 5, 6, N, R and W trains, connected to Lexington Av/59 St), 5 min walk; Lexington Av/63 St (the M and Q trains), 8 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 919 Third Avenue?
The NYC Department of Finance's 2026/27 assessment roll lists SL GREEN REALTY CORP. as the owner of record of 919 Third Avenue (BBL 1013290001). Deeds and mortgages for the lot are public in ACRIS, the city's property records system.
Does 919 Third Avenue have an energy grade?
919 Third Avenue's 2024 Local Law 84 benchmarking filing got no ENERGY STAR score (no single use that ENERGY STAR scores covers more than half of the floor area), and Local Law 33 letter grades come from that score, so the filing does not yield an A to D grade. Its site energy use came to 73.9 kBtu per square foot, 73% above the national median of 42.8 for a similar property. Its greenhouse gas emissions were about 10,399 metric tons of CO2e (6.89 kg per square foot).
Is there construction at 919 Third Avenue?
In the 12 months to October 2026, the Department of Buildings issued first permits for 22 jobs at 919 Third Avenue. In the last two years, interior work was permitted on 19 floors (floors 1, 3, 6 to 9, 14, 17, 27 to 32, 34, 40 and 45 to 47, the cellar and the sub-cellar). The newest build-out, on floor 34, was first permitted in February 2026 (construction, mechanical; filed cost estimate $84,000). A sidewalk shed permit here is active until December 31, 2026. These are the Department of Buildings' DOB NOW work permits for tax lot 1013290001. A permit is approval to do the work; it does not say who the work is for or whether it is finished.
What are the property taxes at 919 Third Avenue?
The Department of Finance's 2026/27 assessment roll lists a taxable value of $225.3 million for 919 Third Avenue. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $24.4 million a year, roughly $18.47 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1013290001 show the actual bill.
What is the assessed value of 919 Third Avenue?
For tax year 2026/27, the NYC Department of Finance puts the market value of 919 Third Avenue at $500.8 million ($111 million of it land) and its assessed value at $225.3 million, the 45% of market value the city assesses for Class 4 property. The city's market value fell 11% from 2022/23 ($563.5 million) to 2026/27.
Are there vacant storefronts at 919 Third Avenue?
Owners registered 2 storefronts at 919 Third Avenue for December 31, 2025, the newest annual filing the city has published, and none stood vacant that day. These are the owners' filings with the Department of Finance under Local Law 157, so a storefront may have come free since. Owners and brokers can list a storefront on Leasemark for free.
Is there office space for lease at 919 Third Avenue?
No space at 919 Third Avenue is listed on Leasemark right now. Nearby on Leasemark: office space for lease at 783 Madison 4th Floor in the Upper East Side (994 SF, $66.40/SF/yr). Owners and brokers can list space here for free, and tenants can post a requirement to be matched when space opens up.
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Midtown
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