245 21st Street, Brooklyn
Four-family · built 2025 · Block 891, Lot 75.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $35,100
- 2026–27 tax
- $4,366
- Market value (city estimate)
- $78,000
- Taxable value
- $35,100
- Assessed land
- $35,100
Zoning
R6A: floor area ratio 2.80 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Nov 19, 2020: $999,999, 1,700 sq ft ($588 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.