Manhattan · BBL 1013740021
637 Madison Avenue
New York, NY 10022 · Manhattan
Also written as: 637 Madison Ave · 637 Madison Avenue
Owner of record: 635 MADISON FEE PROPERTY OWNER LLC
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $48,179,700
- Market value: $107,066,000
- Tax class: 4
Building
- Office (O6)
- Built 1958, altered 1984
- 0 residential / 33 units
- 19 floors
- Zoning: C5-3
- Lot area: 9,087 sf
- Building area: 149,881 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/637-madison-avenue-1013740021
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