Office building · Grand Central, Manhattan

340 Madison Avenue

340 Madison Avenue is a 22-floor office building in Grand Central, Manhattan, built in 1922, with about 538,000 square feet of office space according to city records.

Office space
538K SF
Floors
22
Year built
1922
Listed on Leasemark
0

No space at 340 Madison 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 (city class O4)
Total floor area
558,735 SF
Commercial floor area
558,735 SF
Office
537,616 SF
Retail
13,919 SF
Industrial and storage
7,190 SF
Height
22 floors
Year built
1922
Last major alteration
2003
Lot area
32,536 SF
Zoning district
C5-3
Built FAR
17.17
Max commercial FAR
15
Tax lot (BBL)
1012780014
ZIP code
10017

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.

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Questions about 340 Madison Avenue

How big is 340 Madison Avenue?

340 Madison Avenue has about 559,000 square feet of floor area in total, including 538,000 square feet of office, 14,000 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 340 Madison Avenue built?

City records list 1922 as the year built, with a major alteration recorded in 2003. The building is 22 floors tall.

What is the zoning at 340 Madison Avenue?

The lot is in the C5-3 zoning district. PLUTO lists a built floor area ratio (FAR) of 17.17 and a maximum commercial FAR of 15 for this lot.

Is there office space for lease at 340 Madison Avenue?

No space at 340 Madison 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.