Manhattan · BBL 1014050059
134 East 71st Street
New York, NY 10021 · Manhattan
Also written as: 134 E 71st St · 134 East 71st Street
Owner of record: CATHERINE M. COSGROVE, TRUSTEE
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $918,180
- Market value: $15,303,000
- Tax class: 1
Last recorded sale
$16,675,000 on 2026-03-10 (class A4)
Building
- One-family dwelling (A4)
- Built 1885
- 1 residential / 1 units
- 4 floors
- Zoning: R9X
- Lot area: 2,310 sf
- Building area: 7,591 sf
- Historic district: Upper East Side 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/134-east-71-street-1014050059
Estimates are automated, not appraisals. Disclaimer · Terms · Privacy · Contact