527 9th Street, Brooklyn
Single family · built c. 1909 · Block 1091, Lot 64.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $268,200
- 2026–27 tax
- $23,453
- Market value (city estimate)
- $4,470,000
- Taxable value
- $118,195
- Assessed land
- $32,160
- Assessed improvements
- $236,040
Zoning
R6B: floor area ratio 1.88 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 15, 2025: $4,395,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District (Historic District). 2 Landmarks Preservation Commission permits are on file.