Manhattan · BBL 1019900010
21 Claremont Avenue
New York, NY 10027 · Manhattan
Also written as: 21 Claremont Ave · 21 Claremont Avenue
Owner of record: TRUSTEES OF COLUMBIA UNIVERSITY
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $2,403,450
- Market value: $5,341,000
- Tax class: 2
Building
- Elevator apartment (D3)
- Built 1910, altered 1988
- 47 residential / 47 units
- 10 floors
- Zoning: R8
- Lot area: 8,400 sf
- Building area: 58,750 sf
- Historic district: Morningside Heights Historic District
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-claremont-avenue-1019900010
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