Manhattan · BBL 1015700031

434 East 91st Street

New York, NY 10128 · Manhattan

Also written as: 434 E 91st St · 434 East 91st Street

Owner of record: NINETY-FIRST STREET(434) REALTY

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

Assessment (FY2027)

  • Assessed value: $2,191,500
  • Market value: $4,870,000
  • Tax class: 4

Building

  • Warehouse (E7)
  • Built 1920
  • 0 residential / 1 units
  • 6 floors
  • Zoning: R8
  • Lot area: 5,035 sf
  • Building area: 27,323 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/434-east-91-street-1015700031

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