280 St Marks Avenue, Brooklyn
A condominium built in 2016 on St Marks Avenue under R6B zoning on a 22,792 sq ft lot.
280 St Marks Avenue is a condominium in Brooklyn, New York City (BBL 3011527507). The property is zoned R6B, on a 22,792 sq ft lot, with 5 floors and 31 residential units. It was built in 2016. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 8 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 3011527507 |
|---|---|
| Borough | Brooklyn — Community District 8 |
| Neighborhood | Prospect Heights |
| Zoning district | R6B |
| Building class | R4 — condominium (what’s a building class?) |
| Land use | 03 — Multi-family elevator buildings |
| Lot area | 22,792 sq ft |
| Floors | 5 |
| Residential units | 31 |
| Year built | 2016 |
| FAR | 2.12 built · 2 max residential · 0 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 0 open Department of Buildings violations
- 0 open ECB (OATH) violations
- 8 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)
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Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.