136 20th Street, Brooklyn
Three-family · built c. 1910 · Block 639, Lot 18.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $51,180
- 2026–27 tax
- $3,059
- Market value (city estimate)
- $853,000
- Taxable value
- $15,414
- Assessed land
- $18,660
- Assessed improvements
- $32,520
Zoning
M1-2D: floor area ratio 0.72 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 6, 2023: $1,500,000
Open-market sales since 2016, from the Department of Finance’s sales files.