612 11th Street, Brooklyn
Two-family · built c. 1899 · Block 1097, Lot 29.
Building permits
- Alteration, filed Sep 12, 2025, estimated cost $25K, described as “Install new HVAC rooftop unit as per plans. No change to use, occupancy or egress.”
Property taxes
- Assessment
- $188,880
- 2026–27 tax
- $12,644
- Market value (city estimate)
- $3,148,000
- Taxable value
- $63,718
- Assessed land
- $54,300
- Assessed improvements
- $134,580
Zoning
R6B: floor area ratio 0.90 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Landmarks
Part of Park Slope Historic District (Historic District). 5 Landmarks Preservation Commission permits are on file.