409 Monroe Street, Brooklyn
Three-family · built c. 1899 · Block 1816, Lot 69.
Building permits
- Alteration, filed Jun 16, 2026, estimated cost $42K, described as “Application being filed to return one family dwelling to its prior legal condition by removing kitchen at basement and 2ND floor and removing front porch. Filing to address ecb violation 39187555J; 39187556L; 39187554H; 34940554N and…”
- Alteration, filed Nov 11, 2025, estimated cost $18K, described as “Installation of solar panels on existing roof. No change in use, occupancy, or egress. No change in bulk”
Property taxes
- Assessment
- $127,200
- 2026–27 tax
- $2,218
- Market value (city estimate)
- $2,120,000
- Taxable value
- $9,776
- Assessed land
- $17,400
- Assessed improvements
- $109,800
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.