Commercial condominium · Midtown, Manhattan

866 Third Avenue

866 Third Avenue is a 30-floor commercial condominium in Midtown, Manhattan, built in 1966, with about 133,000 square feet of office space according to city records.

Office space
133K SF
Floors
30
Year built
1966
Listed on Leasemark
0

No space at 866 Third 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
Commercial condominium (city class RC)
Total floor area
373,078 SF
Commercial floor area
163,466 SF
Office
132,909 SF
Retail
24,953 SF
Industrial and storage
5,604 SF
Height
30 floors
Year built
1966
Last major alteration
1997
Lot area
25,100 SF
Zoning district
C6-6
Built FAR
14.86
Max commercial FAR
15
Tax lot (BBL)
1013077501
ZIP code
10022

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 Midtown

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Questions about 866 Third Avenue

How big is 866 Third Avenue?

866 Third Avenue has about 373,000 square feet of floor area in total, including 133,000 square feet of office, 25,000 square feet of retail and 6,000 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 866 Third Avenue built?

City records list 1966 as the year built, with a major alteration recorded in 1997. The building is 30 floors tall.

What is the zoning at 866 Third Avenue?

The lot is in the C6-6 zoning district. PLUTO lists a built floor area ratio (FAR) of 14.86 and a maximum commercial FAR of 15 for this lot.

Is there office space for lease at 866 Third Avenue?

No space at 866 Third 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.