Manhattan · BBL 1009300034
421 1st Avenue
New York, NY 10010 · Manhattan
Also written as: 421 1st Ave · 421 1st Avenue
Owner of record: NEW YORK UNIVERSITY
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $9,225,450
- Market value: $20,501,000
- Tax class: 4
Building
- Educational (W5)
- Built 1929
- 0 residential / 3 units
- 11 floors
- Zoning: R8
- Lot area: 12,350 sf
- Building area: 87,515 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/421-1-avenue-1009300034
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