Manhattan · Unit COMM1 · BBL 1013811301

21 East 66th Street, Unit COMM1

New York, NY 10065 · Manhattan

Also written as: 21 E 66th St Apt COMM1 · 21 East 66th Street #COMM1 · 21 E 66th St Unit COMM1

Part of 21 East 66th Street Condominium

Owner of record: 21 EAST 66TH STREETCOMMERCIAL, L.L.C.

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

Assessment (FY2027)

  • Assessed value: $2,188,364
  • Market value: $4,863,031
  • Tax class: 4

Building

  • Elevator apartment (D4)
  • Built 1963, altered 1980
  • 99 residential / 102 units
  • 21 floors
  • Zoning: R10 / R8B
  • Lot area: 16,916 sf
  • Building area: 223,000 sf
  • Historic district: Upper East Side Historic District

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-east-66-street-comm1-1013811301

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