445 Carroll Street, Brooklyn
A mixed residential and commercial building on Carroll Street inside a FEMA-mapped flood zone, built in 2020, zoned M1-4/R6B.
445 Carroll Street is a mixed residential and commercial building in Brooklyn, New York City (BBL 3004470053). The property is zoned M1-4/R6B, on a 2,000 sq ft lot, with 4 floors and 2 residential units. It was built in 2020. The lot is inside a FEMA Special Flood Hazard Area. NYC municipal records show 2 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 3004470053 |
|---|---|
| Borough | Brooklyn — Community District 6 |
| Neighborhood | Carroll Gardens-Cobble Hill-Gowanus-Red Hook |
| ZIP code | 11215 |
| Zoning district | M1-4/R6B |
| Building class | S1 — mixed residential and commercial building (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 2,000 sq ft |
| Floors | 4 |
| Residential units | 2 |
| Year built | 2020 |
| FAR | 2.99 built · 2 max residential · 2 max commercial Learn: What is FAR? |
| Flood zone | In a FEMA Special Flood Hazard Area |
Public records
- 0 open Department of Buildings violations
- 2 open ECB (OATH) violations — $3,750 in penalties due
- 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.