Office building with commercial space · Union Square, Manhattan

122 Fifth Avenue

122 Fifth Avenue is a 11-floor office building with commercial space in Union Square, Manhattan, built in 1900, with about 223,000 square feet of office space according to city records.

Office space
223K SF
Floors
11
Year built
1900
Listed on Leasemark
0

No space at 122 Fifth Avenue is listed on Leasemark yet. Own or broker space here? List it free and it is matched against every active requirement the day it goes up, or import a spreadsheet of up to 50 spaces at once.

NYC tax lot records

Building facts

Building type
Office building with commercial space (city class O6)
Total floor area
244,069 SF
Commercial floor area
244,069 SF
Office
223,387 SF
Retail
20,682 SF
Height
11 floors
Year built
1900
Last major alteration
2021
Lot area
21,646 SF
Zoning district
C6-4A
Built FAR
11.28
Max commercial FAR
10
Historic district
Ladies' Mile Historic District
Tax lot (BBL)
1008190039
ZIP code
10011

Nearby large buildings

Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-09-26. Floor areas are the city's estimates for the whole building, not available space. Walking times are straight-line estimates.

Office space nearby in Union Square

Looking for office space in Union Square

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Questions about 122 Fifth Avenue

How big is 122 Fifth Avenue?

122 Fifth Avenue has about 244,000 square feet of floor area in total, including 223,000 square feet of office and 21,000 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 122 Fifth Avenue built?

City records list 1900 as the year built, with a major alteration recorded in 2021. The building is 11 floors tall.

What is the zoning at 122 Fifth Avenue?

The lot is in the C6-4A zoning district. PLUTO lists a built floor area ratio (FAR) of 11.28 and a maximum commercial FAR of 10 for this lot. It is inside the Ladies' Mile Historic District, so exterior changes go through the Landmarks Preservation Commission.

Is there office space for lease at 122 Fifth Avenue?

No space at 122 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.