Manhattan · BBL 1007450026
313 West 21st Street
New York, NY 10011 · Manhattan
Also written as: 313 W 21st St · 313 West 21st Street
Owner of record: ISMO 9 LLC
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $2,411,550
- Market value: $5,359,000
- Tax class: 2
Last recorded sale
$8,500,000 on 2026-02-28 (class D1)
Building
- Elevator apartment (D1)
- Built 1938, altered 1986
- 35 residential / 35 units
- 6 floors
- Zoning: R7B
- Lot area: 4,938 sf
- Building area: 20,496 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/313-west-21-street-1007450026
Estimates are automated, not appraisals. Disclaimer · Terms · Privacy · Contact