Manhattan · BBL 1016040017
1420 Madison Avenue
New York, NY 10029 · Manhattan
Also written as: 1420 Madison Ave · 1420 Madison Avenue
Owner of record: MOUNT SINAI HOSPITAL
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $595,800
- Market value: $1,324,000
- Tax class: 4
Building
- Hospital / health (I9)
- Built 1973
- 0 residential / 1 units
- 1 floors
- Zoning: R9
- Lot area: 4,541 sf
- Building area: 4,545 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/1420-madison-avenue-1016040017
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