Manhattan · BBL 1013850056
870 Madison Avenue
New York, NY 10021 · Manhattan
Also written as: 870 Madison Ave · 870 Madison Avenue
Owner of record: 870 MADISON LLC
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $8,269,200
- Market value: $18,376,000
- Tax class: 4
Building
- Store / retail (K4)
- Built 1911
- 4 residential / 9 units
- 5 floors
- Zoning: C5-1
- Lot area: 2,510 sf
- Building area: 11,550 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/870-madison-avenue-1013850056
Estimates are automated, not appraisals. Disclaimer · Terms · Privacy · Contact