125 West 43 Street, Manhattan
A 1910 mixed residential and commercial building on West 43 Street carrying 8.51 FAR of unused commercial development rights on record under its C6-5.5 zoning.
125 West 43 Street is a mixed residential and commercial building in Manhattan, New York City (BBL 1009960020). The property is zoned C6-5.5, on a 2,092 sq ft lot, with 5 floors and 8 residential units. It was built in 1910. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 4 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 1009960020 |
|---|---|
| Borough | Manhattan — Community District 5 |
| Neighborhood | Midtown-Times Square |
| ZIP code | 10036 |
| Zoning district | C6-5.5 |
| Building class | S9 — mixed residential and commercial building (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 2,092 sq ft |
| Floors | 5 |
| Residential units | 8 |
| Year built | 1910 |
| FAR | 3.49 built · 10 max residential · 12 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 4 open Department of Buildings violations
- 0 open ECB (OATH) violations
- 0 open Housing Preservation & Development violations
Violation counts as of 2026-07-05.
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)
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.