Manhattan · BBL 1010550021
423 West 45th Street
New York, NY 10036 · Manhattan
Also written as: 423 W 45th St · 423 West 45th Street
Owner of record: 45TH STREET ASSOCIATES #1, LLC
Snapshot updated 2026-09-30 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $937,800
- Market value: $2,084,000
- Tax class: 2
Building
- Walk-up apartment (C4)
- Built 1901, altered 1988
- 20 residential / 20 units
- 5 floors
- Zoning: R8
- Lot area: 2,510 sf
- Building area: 9,275 sf
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-west-45-street-1010550021
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