Manhattan · Unit OFF5 · BBL 1012771005

509 5th Avenue, Unit OFF5

New York, NY 10017 · Manhattan

Also written as: 509 5th Ave Apt OFF5 · 509 5th Avenue #OFF5 · 509 5th Ave Unit OFF5

Part of 509 5th Avenue Condominium

Owner of record: CHABAD 509 FIFTH TOWER LLC

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

Assessment (FY2027)

  • Assessed value: $689,876
  • Market value: $1,533,058
  • Tax class: 4

Building

  • Office (O4)
  • Built 1965, altered 2021
  • 0 residential / 70 units
  • 40 floors
  • Zoning: C5-3 / C5-2.5
  • Lot area: 33,137 sf
  • Building area: 733,001 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/509-5-avenue-off5-1012771005

Estimates are automated, not appraisals. Disclaimer · Terms · Privacy · Contact