Manhattan · Unit 5W · BBL 1013811311
21 East 66th Street, Unit 5W
New York, NY 10065 · Manhattan
Also written as: 21 E 66th St Apt 5W · 21 East 66th Street #5W · 21 E 66th St Unit 5W
Part of 21 East 66th Street Condominium
Owner of record: 5W LLC
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $318,354
- Market value: $707,452
- Tax class: 2
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-5w-1013811311
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