Manhattan · Unit 20 · BBL 1013880030
51 East 73rd Street, Unit 20
New York, NY 10021 · Manhattan
Also written as: 51 E 73rd St Apt 20 · 51 East 73rd Street #20 · 51 E 73rd St Unit 20
Owner of record: CHAI 73 LLC
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $1,412,550
- Market value: $3,139,000
- Tax class: 2
Building
- Elevator apartment (D1)
- Built 1886
- 20 residential / 20 units
- 5 floors
- Zoning: R8B
- Lot area: 3,576 sf
- Building area: 12,321 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/51-east-73-street-20-1013880030
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