543 9th Street, Brooklyn
Three-family · built c. 1909 · Block 1091, Lot 56.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $247,320
- Assessed land
- $32,220
- Assessed improvements
- $215,100
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 30, 2026: $4,000,000, 3,000 sq ft ($1,333 per sq ft)
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.