Manhattan · BBL 1012020040

18 West 89th Street

New York, NY 10024 · Manhattan

Also written as: 18 W 89th St · 18 West 89th Street

Owner of record: STEPHEN SPAHN GRANTOR RETAINED ANNUITY T RUST

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

Assessment (FY2027)

  • Assessed value: $4,162,950
  • Market value: $9,251,000
  • Tax class: 4

Building

  • Educational (W3)
  • Built 1930, altered 1968
  • 1 residential / 2 units
  • 4 floors
  • Zoning: R7-2
  • Lot area: 5,940 sf
  • Building area: 55,148 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/18-west-89-street-1012020040

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