133 Madison Street, Brooklyn
Three-family · built c. 1899 · Block 1817, Lot 99.
Building permits
- Alteration, filed Oct 31, 2025, estimated cost $132K, described as “Existing two-family house renovation with partition andstructure work at cellar, basement,1 st, 2ND floor, attic and roof; new bulkhead under this application. No change in use, means of egress or occupancy in thisapplication.”
- Alteration, filed Sep 2, 2025, estimated cost $209K, described as “Interior renovation of cellar, basement, 1ST, 2ND fl. & attic of exist. 2 story building. Demolition work & construction work as per plan. Install new HVAC, exhaust fan, no change in egress, use, or occupancy.”
- Major Renovation — Conversion, filed May 4, 2021, estimated cost $534K, 1 unit added, 3 stories, described as “Existing 3 family converted to 4 family. Horizontal and Vertical extensions.”
Property taxes
- Assessment
- $96,060
- 2026–27 tax
- $4,103
- Market value (city estimate)
- $1,601,000
- Taxable value
- $20,678
- Assessed land
- $15,600
- Assessed improvements
- $80,460
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
- Sep 9, 2025: $1,600,000
- Jun 30, 2025: $100,000
Open-market sales since 2016, from the Department of Finance’s sales files.