371 Madison Street, Brooklyn
Apartment building · 5 units · built c. 1931 · Block 1820, Lot 71.
Building permits
- Alteration, filed Aug 7, 2025, estimated cost $156K, described as “Existing five family house renovation with partition work at cellar, 1ST, 2ND & 3RD floor. No change in use, means of egress or occupancy.”
Property taxes
- Assessment
- $382,950
- 2026–27 tax
- $10,451
- Market value (city estimate)
- $851,000
- Taxable value
- $84,016
- Assessed land
- $14,400
- Assessed improvements
- $368,550
Zoning
R6B: floor area ratio 1.65 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jun 11, 2025: $1,050,000
Open-market sales since 2016, from the Department of Finance’s sales files.