Manhattan · BBL 1004430035
21 1st Avenue
New York, NY 10003 · Manhattan
Also written as: 21 1st Ave · 21 1st Avenue
Owner of record: 21 FIRST AVENUE LLC C
Snapshot updated 2026-09-30 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $4,114,800
- Market value: $9,144,000
- Tax class: 2
Building
- Walk-up apartment (C7)
- Built 1910
- 39 residential / 42 units
- 7 floors
- Zoning: R7A
- Lot area: 4,920 sf
- Building area: 24,363 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/21-1-avenue-1004430035
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