311 Monroe Street, Brooklyn
Three-family · built c. 1899 · Block 1814, Lot 52.
Building permits
- Alteration, filed Jul 14, 2025, estimated cost $71K, described as “Interior renovation on existing one family building with partition, mechanical work on cellar, bsmt, 1ST, 2ND floor and open space in rear. No change in use, means of egress or occupancy.”
- Alteration, filed May 6, 2025, estimated cost $1K, described as “Install temporary construction fence for related ALT2 job.”
Property taxes
- Assessment
- $83,160
- 2026–27 tax
- $4,117
- Market value (city estimate)
- $1,386,000
- Taxable value
- $20,748
- Assessed land
- $13,380
- Assessed improvements
- $69,780
Zoning
R6B: floor area ratio 1.20 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- May 20, 2025: $1,240,000
- Apr 25, 2024: $1,160,000
Open-market sales since 2016, from the Department of Finance’s sales files.