Manhattan · Unit 4B · BBL 1012391039

640 West End Avenue, Unit 4B

New York, NY 10024 · Manhattan

Also written as: 640 W End Ave Apt 4B · 640 West End Avenue #4B · 640 W End Ave Unit 4B

Part of 640 West End Avenue Condominium

Owner of record: STEVEN & ROBERTA KATZ

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

Assessment (FY2027)

  • Assessed value: $130,719
  • Market value: $290,487
  • Tax class: 2

Building

  • Elevator apartment (D4)
  • Built 1917, altered 1985
  • 94 residential / 95 units
  • 13 floors
  • Zoning: C4-6A / R8
  • Lot area: 15,650 sf
  • Building area: 150,033 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/640-west-end-avenue-4b-1012391039

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