Manhattan · BBL 1011990026

21 West 85th Street

New York, NY 10024 · Manhattan

Also written as: 21 W 85th St · 21 West 85th Street

Owner of record: HELEN HART

Snapshot updated 2026-09-30 — open the app to refresh for live data.

Assessment (FY2027)

  • Assessed value: $1,533,600
  • Market value: $3,408,000
  • Tax class: 2B

Building

  • Walk-up apartment (C5)
  • Built 1907, altered 1950
  • 9 residential / 9 units
  • 5 floors
  • Zoning: R8B
  • Lot area: 2,043 sf
  • Building area: 7,054 sf
  • Historic district: Upper West Side / Central Park West 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/21-west-85-street-1011990026

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