Manhattan · BBL 1012110002
423 Amsterdam Avenue
New York, NY 10024 · Manhattan
Also written as: 423 Amsterdam Ave · 423 Amsterdam Avenue
Owner of record: 423 AMCO C/O LAWRENCE E ARNSTEN
Snapshot updated 2026-09-30 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $2,000,700
- Market value: $4,446,000
- Tax class: 2
Building
- Walk-up apartment (C7)
- Built 1888
- 15 residential / 16 units
- 5 floors
- Zoning: C2-7A
- Lot area: 2,000 sf
- Building area: 10,790 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/423-amsterdam-avenue-1012110002
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