Manhattan · BBL 1014010001

643 Park Avenue

New York, NY 10065 · Manhattan

Also written as: 643 Park Ave · 643 Park Avenue

Owner of record: NYC DHS

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

Assessment (FY2027)

  • Assessed value: $64,052,550
  • Market value: $142,339,000
  • Tax class: 4

Building

  • Government (Y4)
  • Built 1879
  • 0 residential / 0 units
  • 5 floors
  • Zoning: R8B / R10
  • Lot area: 81,336 sf
  • Building area: 84,337 sf
  • Historic district: Upper East Side Historic District
  • Landmark: INDIVIDUAL AND INTERIOR LANDMARK

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/643-park-avenue-1014010001

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