248 West 143 Street, Manhattan
A government building on West 143 Street built in 1940, with 1.07 FAR of unused residential development rights on record under its R7-2 zoning.
248 West 143 Street is a government building in Manhattan, New York City (BBL 1020280051). The property is zoned R7-2, on a 4,996 sq ft lot, with 3 floors and 1 residential units. It was built in 1940. The lot is not inside a FEMA Special Flood Hazard Area.
Property facts
| BBL | 1020280051 |
|---|---|
| Borough | Manhattan — Community District 10 |
| Neighborhood | Harlem (North) |
| ZIP code | 10030 |
| Zoning district | R7-2 |
| Building class | Y1 — government building (what’s a building class?) |
| Land use | 08 — Public facilities & institutions |
| Lot area | 4,996 sq ft |
| Floors | 3 |
| Residential units | 1 |
| Year built | 1940 |
| FAR | 2.37 built · 3.44 max residential · 0 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
No open violations on record for this lot.
Absence of a record means none on file in NYC municipal records — not a certification of compliance.
The complete dossier also covers:
- Buildable floor area (residential & commercial)
- Recorded ownership & last sale
- Recorded mortgages & open debt stack
- LL97 carbon exposure by compliance period
- Flood coverage percentage & base flood elevation
- Climate projections for this lot
- Open permits & construction pipeline
- Distress signal convergence
- Air rights & transferable development rights
- Comparable sales (Pro)
Run a free lookupFree account — no card required
See plans & the one-time dossierWatch this propertyAlerts on new permits, violations & sales
Nearby on this block
Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.