166 Montague Street, Brooklyn
A 1891 condominium on Montague Street carrying 2.83 FAR of unused commercial development rights on record under its C5-2A zoning.
166 Montague Street is a condominium in Brooklyn, New York City (BBL 3002497502). The property is zoned C5-2A, on a 5,250 sq ft lot, with 10 floors and 25 residential units. It was built in 1891. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 9 open building violations for this lot as of 2026-07-05.
Property facts
| BBL | 3002497502 |
|---|---|
| Borough | Brooklyn — Community District 2 |
| Neighborhood | Brooklyn Heights |
| ZIP code | 11201 |
| Zoning district | C5-2A |
| Building class | RM — condominium (what’s a building class?) |
| Land use | 04 — Mixed residential & commercial buildings |
| Lot area | 5,250 sq ft |
| Floors | 10 |
| Residential units | 25 |
| Year built | 1891 |
| FAR | 7.17 built · 10 max residential · 10 max commercial Learn: What is FAR? |
| Historic district | Brooklyn Heights Historic District |
| Flood zone | Not in a FEMA Special Flood Hazard Area |
Public records
- 8 open Department of Buildings violations
- 1 open ECB (OATH) violation — $6,250 in penalties due
- 0 open Housing Preservation & Development violations
- Façade safety filing status: UNSAFE (latest filing 2025-02-14)
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.