437 Lexington Avenue, Manhattan
A 1925 office building on Lexington Avenue carrying 2.11 FAR of unused commercial development rights on record under its C5-3 zoning.
437 Lexington Avenue is an office building in Manhattan, New York City (BBL 1012990022). The property is zoned C5-3, on a 7,531 sq ft lot, with 18 floors and 1 residential units. It was built in 1925. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 1 open building violation for this lot as of 2026-07-05.
Property facts
| BBL | 1012990022 |
|---|---|
| Borough | Manhattan — Community District 6 |
| Neighborhood | East Midtown-Turtle Bay |
| Zoning district | C5-3 |
| Building class | O6 — office building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 7,531 sq ft |
| Floors | 18 |
| Residential units | 1 |
| Year built | 1925 |
| FAR | 12.89 built · 10 max residential · 15 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 0 open Department of Buildings violations
- 1 open ECB (OATH) violation
- 0 open Housing Preservation & Development violations
- Façade safety filing status: UNSAFE (latest filing 2026-06-15)
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.