2623 Atlantic Avenue, Brooklyn
A 1920 mixed residential and commercial building on Atlantic Avenue carrying 1.71 FAR of unused commercial development rights on record under its C4-4D zoning.
2623 Atlantic Avenue is a mixed residential and commercial building in Brooklyn, New York City (BBL 3036690039). The property is zoned C4-4D, on a 1,593 sq ft lot, with 3 floors and 3 residential units. It was built in 1920. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 22 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 3036690039 |
|---|---|
| Borough | Brooklyn — Community District 5 |
| Neighborhood | East New York (North) |
| Zoning district | C4-4D |
| Building class | S2 — mixed residential and commercial building (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 1,593 sq ft |
| Floors | 3 |
| Residential units | 3 |
| Year built | 1920 |
| FAR | 1.69 built · 6.02 max residential · 3.4 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 22 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.