Manhattan · Unit 9B · BBL 1007211054
405 West 23rd Street, Unit 9B
New York, NY 10011 · Manhattan
Also written as: 405 W 23rd St Apt 9B · 405 West 23rd Street #9B · 405 W 23rd St Unit 9B
Part of 465 West 23rd Street Condominium
Owner of record: LONDON TERRACE LLC.
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $13,212
- Market value: $29,359
- Tax class: 4
Building
- Elevator apartment (D9)
- Built 1934, altered 1982
- 901 residential / 964 units
- 17 floors
- Zoning: R8A
- Lot area: 108,625 sf
- Building area: 975,170 sf
- Flood zone: 1
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/405-west-23-street-9b-1007211054
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