Manhattan · Unit 20-01 · BBL 1008541028

1 Madison Avenue, Unit 20-01

New York, NY 10010 · Manhattan

Also written as: 1 Madison Ave Apt 20-01 · 1 Madison Avenue #20-01 · 1 Madison Ave Unit 20-01

Part of 11 Madison Avenue Condominium

Owner of record: 11 MADISON AVENUE OWNER LLC

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

Assessment (FY2027)

  • Assessed value: $12,822,599
  • Market value: $28,494,665
  • Tax class: 4

Building

  • Condominium (RB)
  • Built 1932, altered 1994
  • 0 residential / 36 units
  • 30 floors
  • Zoning: C5-3
  • Lot area: 83,937 sf
  • Building area: 1,630,256 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/1-madison-avenue-20-01-1008541028

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