Manhattan · BBL 1008430022
21 Union Square
New York, NY 10003 · Manhattan
Also written as: 21 Union Sq · 21 Union Square
Owner of record: NY UNIVERSITY
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $27,446,850
- Market value: $60,993,000
- Tax class: 4
Building
- Hotel (H8)
- Built 1986
- 0 residential / 4 units
- 12 floors
- Zoning: C6-2A / C6-4
- Lot area: 28,125 sf
- Building area: 238,204 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/21-union-square-1008430022
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