Manhattan · BBL 1013830023
817 Madison Avenue
New York, NY 10065 · Manhattan
Also written as: 817 Madison Ave · 817 Madison Avenue
Owner of record: L & M 825 LLC C.O FRI
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $12,260,700
- Market value: $27,246,000
- Tax class: 4
Building
- Store / retail (K2)
- Built 1892
- 0 residential / 2 units
- 6 floors
- Zoning: C5-1
- Lot area: 5,000 sf
- Building area: 18,942 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/817-madison-avenue-1013830023
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