539 11th Street, Brooklyn
Three-family · built c. 1893 · Block 1094, Lot 59.
Building permits
- Alteration, filed Apr 8, 2026, estimated cost $14K, described as “General construction work will include alteration of existing fire escape and new fenestration. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $193,380
- 2026–27 tax
- $8,873
- Market value (city estimate)
- $3,223,000
- Taxable value
- $44,717
- Assessed land
- $38,040
- Assessed improvements
- $155,340
Zoning
R6B: floor area ratio 1.40 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Mar 26, 2018: $2,550,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District Extension (Historic District). 3 Landmarks Preservation Commission permits are on file.