Manhattan · BBL 1001110100

20 Madison Street

New York, NY 10038 · Manhattan

Also written as: 20 Madison St · 20 Madison Street

Owner of record: NYC CITY HSG AUTRHORITY

Snapshot updated 2026-09-02 — open the app to refresh for live data.

Assessment (FY2027)

  • Assessed value: $89,863,650
  • Market value: $199,697,000
  • Tax class: 2

Building

  • Elevator apartment (D6)
  • Built 1950, altered 1988
  • 1934 residential / 1947 units
  • 17 floors
  • Zoning: R7-2
  • Lot area: 781,000 sf
  • Building area: 1,264,820 sf
  • Flood zone: 1

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/20-madison-street-1001110100

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