Manhattan · Unit 331 · BBL 1000166183
21 South End Avenue, Unit 331
New York, NY 10280 · Manhattan
Also written as: 21 S End Ave Apt 331 · 21 South End Avenue #331 · 21 S End Ave Unit 331
Part of 21 South End Avenue Condominium
Owner of record: REGATTA CONDOMINIUM
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $144,150
- Market value: $320,333
- Tax class: 2
Building
- Elevator apartment (D6)
- Built 1983
- 1712 residential / 1722 units
- 5 floors
- Zoning: BPC
- Lot area: 220,732 sf
- Building area: 1,881,621 sf
- Flood zone: 1
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/21-south-end-avenue-331-1000166183
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