Office building with commercial space · Flatiron, Manhattan

18 West 18th Street

18 West 18th Street is a 11-floor office building with commercial space in Flatiron, Manhattan, built in 1904, with about 158,000 square feet of office space according to city records.

Office space
158K SF
Floors
11
Year built
1904
Listed on Leasemark
0

No space at 18 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
173,152 SF
Commercial floor area
173,152 SF
Office
157,500 SF
Retail
15,652 SF
Height
11 floors
Year built
1904
Lot area
13,800 SF
Zoning district
C6-4A
Built FAR
12.55
Max commercial FAR
10
Historic district
Ladies' Mile Historic District
Tax lot (BBL)
1008190056
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 18 West 18th Street

How big is 18 West 18th Street?

18 West 18th Street has about 173,000 square feet of floor area in total, including 158,000 square feet of office and 16,000 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 18 West 18th Street built?

City records list 1904 as the year built. The building is 11 floors tall.

What is the zoning at 18 West 18th Street?

The lot is in the C6-4A zoning district. PLUTO lists a built floor area ratio (FAR) of 12.55 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 18 West 18th Street?

No space at 18 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.