Office building with commercial space · Flatiron, Manhattan

125 West 18th Street

125 West 18th Street is a 8-floor office building with commercial space in Flatiron, Manhattan, built in 1917, with about 189,000 square feet of office space according to city records.

Office space
189K SF
Floors
8
Year built
1917
Listed on Leasemark
0

No space at 125 West 18th Street 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
228,000 SF
Commercial floor area
228,000 SF
Office
188,800 SF
Retail
30,000 SF
Height
8 floors
Year built
1917
Last major alteration
1987
Lot area
37,045 SF
Zoning district
C6-2A
Built FAR
6.15
Max commercial FAR
6
Historic district
Ladies' Mile Historic District
Tax lot (BBL)
1007940025
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 Flatiron

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Questions about 125 West 18th Street

How big is 125 West 18th Street?

125 West 18th Street has about 228,000 square feet of floor area in total, including 189,000 square feet of office and 30,000 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 125 West 18th Street built?

City records list 1917 as the year built, with a major alteration recorded in 1987. The building is 8 floors tall.

What is the zoning at 125 West 18th Street?

The lot is in the C6-2A zoning district. PLUTO lists a built floor area ratio (FAR) of 6.15 and a maximum commercial FAR of 6 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 125 West 18th Street?

No space at 125 West 18th Street 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.