2428 Mermaid Avenue, Brooklyn
Inside a FEMA-mapped flood zone, this mixed residential and commercial building on Mermaid Avenue carries 0.48 FAR of unused residential development rights on record.
2428 Mermaid Avenue is a mixed residential and commercial building in Brooklyn, New York City (BBL 3070550001). The property is zoned R6, on a 2,000 sq ft lot, with 3 floors and 5 residential units. It was built in 1930. The lot is inside a FEMA Special Flood Hazard Area. NYC municipal records show 3 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 3070550001 |
|---|---|
| Borough | Brooklyn — Community District 13 |
| Neighborhood | Coney Island-Sea Gate |
| Zoning district | R6 |
| Building class | S4 — mixed residential and commercial building (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 2,000 sq ft |
| Floors | 3 |
| Residential units | 5 |
| Year built | 1930 |
| FAR | 1.95 built · 2.43 max residential · 0 max commercial Learn: What is FAR? |
| Flood zone | In a FEMA Special Flood Hazard Area |
Public records
- 2 open Department of Buildings violations
- 0 open ECB (OATH) violations
- 1 open Housing Preservation & Development violation
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.