Manhattan · Unit 339 · BBL 1000166042

21 South End Avenue, Unit 339

New York, NY 10280 · Manhattan

Also written as: 21 S End Ave Apt 339 · 21 South End Avenue #339 · 21 S End Ave Unit 339

Part of 21 South End Avenue Condominium

Owner of record: JOSEPH MING WONG

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

Assessment (FY2027)

  • Assessed value: $265,628
  • Market value: $590,284
  • Tax class: 2

Building

  • Elevator apartment (D6)
  • Built 1983
  • 1712 residential / 1722 units
  • 5 floors
  • Zoning: BPC
  • Lot area: 220,732 sf
  • Building area: 1,881,621 sf
  • Flood zone: 1

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-south-end-avenue-339-1000166042

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