Manhattan · Unit 3B · BBL 1011461305
311 Amsterdam Avenue, Unit 3B
New York, NY 10023 · Manhattan
Also written as: 311 Amsterdam Ave Apt 3B · 311 Amsterdam Avenue #3B · 311 Amsterdam Ave Unit 3B
Part of 311 Amsterdam Avenue Condominium
Owner of record: KAO, JOSEPH
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $189,713
- Market value: $421,584
- Tax class: 2
Building
- Elevator apartment (D7)
- Built 1922
- 180 residential / 181 units
- 15 floors
- Zoning: C2-7A
- Lot area: 6,183 sf
- Building area: 81,339 sf
- Historic district: Upper West Side / Central Park West 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/311-amsterdam-avenue-3b-1011461305
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