527 3rd Street, Brooklyn
Single family · built c. 1899 · Block 1078, Lot 63.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $335,640
- 2026–27 tax
- $16,465
- Market value (city estimate)
- $5,594,000
- Taxable value
- $82,978
- Assessed land
- $41,880
- Assessed improvements
- $293,760
Zoning
R6B: floor area ratio 2.11 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jun 22, 2026: $9,500,000, 4,016 sq ft ($2,366 per sq ft)
- Apr 4, 2022: $7,300,000
- Jul 27, 2017: $6,850,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District (Historic District). 8 Landmarks Preservation Commission permits are on file.