8121 21 Avenue, Brooklyn
A 2022 office building on 21 Avenue with 38 open violations on record across city enforcement files.
8121 21 Avenue is an office building in Brooklyn, New York City (BBL 3062990070). The property is zoned R5, on a 6,000 sq ft lot, with 4 floors and 4 residential units. It was built in 2022. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 38 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 3062990070 |
|---|---|
| Borough | Brooklyn — Community District 11 |
| Neighborhood | Bensonhurst |
| Zoning district | R5 |
| Building class | O5 — office building (what’s a building class?) |
| Land use | 05 — Commercial & office buildings |
| Lot area | 6,000 sq ft |
| Floors | 4 |
| Residential units | 4 |
| Year built | 2022 |
| FAR | 2.99 built · 1.5 max residential · 0 max commercial Learn: What is FAR? |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 19 open Department of Buildings violations
- 19 open ECB (OATH) violations — $93,950 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)
Run a free lookupFree account — no card required
See plans & the one-time dossierWatch this propertyAlerts on new permits, violations & sales
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.