231 Dean Street, Brooklyn
Single family · built c. 1853 · Block 190, Lot 46.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $317,880
- 2026–27 tax
- $9,432
- Market value (city estimate)
- $5,298,000
- Taxable value
- $47,533
- Assessed land
- $34,980
- Assessed improvements
- $282,900
Zoning
R6B: floor area ratio 1.80 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Mar 19, 2026: $3,625,000, 3,780 sq ft ($959 per sq ft)
- Jan 18, 2022: $3,700,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Boerum Hill Historic District (Historic District). 9 Landmarks Preservation Commission permits are on file.