Office condominium · Upper West Side, Manhattan
521 West 57th Street
521 West 57th Street is a 10-floor office condominium in Upper West Side, Manhattan, built in 1927, with about 368,000 square feet of office space according to city records.
- Office space
- 368K SF
- Floors
- 10
- Year built
- 1927
- Listed on Leasemark
- 0
No space at 521 West 57th 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 condominium (city class RB)
- Total floor area
- 368,195 SF
- Commercial floor area
- 368,195 SF
- Office
- 368,195 SF
- Height
- 10 floors
- Year built
- 1927
- Last major alteration
- 1988
- Lot area
- 42,677 SF
- Zoning district
- M1-5
- Built FAR
- 8.63
- Max commercial FAR
- 5
- Tax lot (BBL)
- 1010867501
- ZIP code
- 10019
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.
Questions about 521 West 57th Street
How big is 521 West 57th Street?
521 West 57th Street has about 368,000 square feet of floor area in total, including 368,000 square feet of office, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.
When was 521 West 57th Street built?
City records list 1927 as the year built, with a major alteration recorded in 1988. The building is 10 floors tall.
What is the zoning at 521 West 57th Street?
The lot is in the M1-5 zoning district. PLUTO lists a built floor area ratio (FAR) of 8.63 and a maximum commercial FAR of 5 for this lot.
Is there office space for lease at 521 West 57th Street?
No space at 521 West 57th 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.
Upper West Side
Getting there
- 1 2 3 at 72 St
- B C at 81 St