Manhattan · BBL 1006957502
521 West 23rd Street Condominium
New York, NY 10011 · Manhattan
Also written as: 521 W 23rd St · 521 West 23rd Street
Owner of record: UNAVAILABLE OWNER
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $0
- Market value: $0
- Tax class: 2
Building
- Condominium (RM)
- Built 1914, altered 1985
- 7 residential / 14 units
- 10 floors
- Zoning: C6-3A
- Lot area: 4,938 sf
- Building area: 36,866 sf
- Flood zone: 1
Units in this building (14)
Official records
ZoLa zoning · DOF property tax · Property Portal · ACRIS deeds/mortgages · DOB profile · Tax map · Map
All data sourced from NYC Department of Finance / PLUTO / ACRIS / HPD public records. https://www.sageops.ai/property/manhattan/521-west-23-street-1006957502
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