Office building with commercial space · Union Square, Manhattan
80 Fifth Avenue
New York, NY 10011
80 Fifth Avenue is a 17-floor office building with commercial space in Union Square, Manhattan, built in 1908, with about 111,000 square feet of office space according to city records.
Also at 80-82 Fifth Avenue and 2-4 West 14th Street.
- Office space
- 111K SF
- Floors
- 17
- Year built
- 1908
- Zoning
- C6-4M
The 23rd largest of the 53 office buildings we track in Union Square. Compare it with 6 neighbors
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Compared with its neighbors
How 80 Fifth Avenue compares
Next to the 6 nearest large office buildings, all within a 2 minute walk, 80 Fifth Avenue ranks 6th of 7 by office floor area. It went up in 1908; the median neighbor dates from 1909. Its estimated property tax, about $16.41 a square foot of floor area before abatements, is below the neighbors' median of $20.33.
| Building | Office space | Floors | Built | Tax / SF |
|---|---|---|---|---|
| 80 Fifth Avenue | 111K SF | 17 | 1908 | $16.41 |
| 72 Fifth Avenue | 35K SF | 7 | 1920 | Exempt |
| 84 Fifth Avenue | 118K SF | 11 | 1903 | $27.62 |
| Van Beuren Building, 71 Fifth Avenue | 122K SF | 11 | 1907 | $17.47 |
| 60 Fifth Avenue | 114K SF | 8 | 1924 | Exempt |
| 55 Fifth Avenue | 252K SF | 19 | 1912 | $7.31 |
| Stuyvesant Building, 100 Fifth Avenue | 224K SF | 19 | 1907 | $23.19 |
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). 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
- 80-82 Fifth Avenue; 2-4 West 14th Street
- ZIP code
- 10011
- Building type
- Office building with commercial space (city class O6)
- Total floor area
- 126,756 SF
- Commercial floor area
- 126,756 SF
- Office
- 111,326 SF
- Retail
- 15,430 SF
- Height
- 17 floors
- Average floor
- About 7,500 SF (floor area divided by floors)
- Year built
- 1908
- Last major alteration
- 1987
- Lot area
- 7,820 SF
- Zoning district
- C6-4M
- Built FAR
- 16.21
- Max commercial FAR
- 10
- Tax lot (BBL)
- 1005770039
Nearest subway
- 6 Av
- 14 St-Union Sq
- 8 St-NYU
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 5 storefronts at 80 Fifth 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
- 5
- Vacant that day
- 0
- Share vacant here
- 0.0%
- Share vacant across Union Square
- 11.7%
- Share vacant along Fifth Avenue
- 14.0%
- Share vacant citywide
- 9.2%
Vacant on December 31, by year
Need a storefront in Union Square? 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 AMES ASSOCIATES as the owner of record. For tax year 2026/27 the city values 80 Fifth Avenue at $42.6 million and assesses it at $19.2 million. After phase-ins and exemptions its taxable value is $19.2 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 $2.08 million a year before abatements, roughly $16.41 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
- AMES ASSOCIATES
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $42,617,000
- Land market value
- $4,330,000
- Assessed value
- $19,177,650
- Estimated yearly tax
- About $2.08 million
- Tax per SF of floor area
- About $16.41
City market value by tax year
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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.
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NYC energy benchmarking (Local Law 84)
Energy score, grade and emissions
80 Fifth Avenue reported an ENERGY STAR score of 65 out of 100 for 2024 in its Local Law 84 benchmarking filing. Under Local Law 33 that score earns a C (55 to 69). Its site energy use came to 76.4 kBtu per square foot, 19% below the national median of 94.1 for a similar property. Its greenhouse gas emissions were about 937 metric tons of CO2e (7.39 kg per square foot).
- ENERGY STAR score (2024)
- 65 of 100
- Grade this score earns (Local Law 33)
- C (55 to 69)
- Property type (Portfolio Manager)
- Office
- Site energy use intensity
- 76.4 kBtu/SF
- National median for the type
- 94.1 kBtu/SF
- Greenhouse gas emissions
- 937 t CO2e
- Emissions per SF
- 7.39 kg CO2e
- Floor area in the filing
- 126,756 SF
ENERGY STAR score by year
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. The grade is the one the filed score earns under the law's cutoffs; the Department of Buildings assigns the grade a building posts, which can differ.
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 4 jobs at 80 Fifth Avenue. In the last two years, interior work was permitted on the cellar and the underground. The newest build-out, on the cellar and the underground, was first permitted in July 2026 (structural; filed cost estimate $244,000).
- New jobs, last 12 months
- 4
- Initial permits, last 12 months
- 4
- Newest job first permitted
- August 2026
- Interior build-outs, last 24 months
- 1
- Floors with interior work, last 24 months
- Cellar, underground
- Facade and sidewalk jobs, last 24 months
- 1
Recent build-outs
New jobs by year
Build-outs across Union SquareWhere 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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Questions about 80 Fifth Avenue
How big is 80 Fifth Avenue?
80 Fifth Avenue has about 127,000 square feet of floor area in total, including 111,000 square feet of office and 15,000 square feet of retail, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.
When was 80 Fifth Avenue built?
City records list 1908 as the year built, with a major alteration recorded in 1987. The building is 17 floors tall.
What other addresses does 80 Fifth Avenue have?
City records list 80-82 Fifth Avenue and 2-4 West 14th Street on the same tax lot (BBL 1005770039) as 80 Fifth Avenue. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 80 Fifth Avenue?
80 Fifth Avenue is in ZIP code 10011, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 80 Fifth Avenue, New York, NY 10011, in Union Square.
What is the zoning at 80 Fifth Avenue?
The lot is in the C6-4M zoning district. PLUTO lists a built floor area ratio (FAR) of 16.21 and a maximum commercial FAR of 10 for this lot.
What subway station is closest to 80 Fifth Avenue?
The closest subway station to 80 Fifth Avenue is 6 Av (the L, 1, 2, 3, F and M trains, connected to 14 St), about 900 feet away in a straight line, roughly 3 minutes on foot. The MTA lists it as an accessible station. Also nearby: 14 St-Union Sq (the 4, 5, 6, L, N, Q, R and W trains), 4 min walk; 8 St-NYU (the R and W trains), 8 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 80 Fifth Avenue?
The NYC Department of Finance's 2026/27 assessment roll lists AMES ASSOCIATES as the owner of record of 80 Fifth Avenue (BBL 1005770039). Deeds and mortgages for the lot are public in ACRIS, the city's property records system.
What is the energy grade of 80 Fifth Avenue?
80 Fifth Avenue reported an ENERGY STAR score of 65 for calendar year 2024 in its Local Law 84 benchmarking filing. Under Local Law 33, as amended by Local Law 95 of 2019, a score of 85 or higher earns an A, 70 to 84 a B, 55 to 69 a C and under 55 a D, so 65 earns a C. The Department of Buildings assigns the grade a building posts, so the posted label can differ if a filing was corrected. Its site energy use came to 76.4 kBtu per square foot, 19% below the national median of 94.1 for a similar property. Its greenhouse gas emissions were about 937 metric tons of CO2e (7.39 kg per square foot).
Is there construction at 80 Fifth Avenue?
In the 12 months to October 2026, the Department of Buildings issued first permits for 4 jobs at 80 Fifth Avenue. In the last two years, interior work was permitted on the cellar and the underground. The newest build-out, on the cellar and the underground, was first permitted in July 2026 (structural; filed cost estimate $244,000). These are the Department of Buildings' DOB NOW work permits for tax lot 1005770039. 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 80 Fifth Avenue?
The Department of Finance's 2026/27 assessment roll lists a taxable value of $19.2 million for 80 Fifth Avenue. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $2.08 million a year, roughly $16.41 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1005770039 show the actual bill.
What is the assessed value of 80 Fifth Avenue?
For tax year 2026/27, the NYC Department of Finance puts the market value of 80 Fifth Avenue at $42.6 million ($4.33 million of it land) and its assessed value at $19.2 million, the 45% of market value the city assesses for Class 4 property. The city's market value fell 1% from 2022/23 ($42.9 million) to 2026/27.
Are there vacant storefronts at 80 Fifth Avenue?
Owners registered 5 storefronts at 80 Fifth 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 80 Fifth Avenue?
No space at 80 Fifth Avenue is listed on Leasemark right now. 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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