Manhattan · BBL 1009270006
305 East 21st Street
New York, NY 10010 · Manhattan
Also written as: 305 E 21st St · 305 East 21st Street
Owner of record: 517 WEST 180TH ST LLC
Snapshot updated 2026-09-30 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $1,942,650
- Market value: $4,317,000
- Tax class: 2
Building
- Walk-up apartment (C1)
- Built 1910, altered 1980
- 37 residential / 37 units
- 6 floors
- Zoning: R8B
- Lot area: 5,000 sf
- Building area: 21,356 sf
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/305-east-21-street-1009270006
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