Manhattan · Unit B · BBL 1012351101
256 West 88th Street, Unit B
New York, NY 10024 · Manhattan
Also written as: 256 W 88th St Apt B · 256 West 88th Street #B · 256 W 88th St Unit B
Part of 256 West 88th Street Condominium
Owner of record: SLEEMAN, MARK W.
Snapshot updated 2026-09-02 — open the app to refresh for live data.
Assessment (FY2027)
- Assessed value: $511,224
- Market value: $1,136,055
- Tax class: 2C
Building
- Elevator apartment (D6)
- Built 1984
- 156 residential / 162 units
- 26 floors
- Zoning: C4-6A
- Lot area: 20,142 sf
- Building area: 268,989 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/256-west-88-street-b-1012351101
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