621 Lefferts Avenue, Brooklyn
A 1926 elevator apartment building on Lefferts Avenue with 117 open violations on record across city enforcement files.
621 Lefferts Avenue is an elevator apartment building in Brooklyn, New York City (BBL 3013260045). The property is zoned R7-1, on a 24,308 sq ft lot, with 6 floors and 124 residential units. It was built in 1926. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 117 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 3013260045 |
|---|---|
| Borough | Brooklyn — Community District 9 |
| Neighborhood | Crown Heights (South) |
| ZIP code | 11203 |
| Zoning district | R7-1 |
| Building class | D7 — elevator apartment building (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 24,308 sq ft |
| Floors | 6 |
| Residential units | 124 |
| Year built | 1926 |
| FAR | 6.02 built · 3.44 max residential · 0 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 2 open Department of Buildings violations
- 1 open ECB (OATH) violation
- 114 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.