210 21st Street, Brooklyn
Apartment building · 6 units · built c. 1930 · Block 643, Lot 21.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $568,350
- 2026–27 tax
- $10,519
- Market value (city estimate)
- $1,263,000
- Taxable value
- $84,568
- Assessed land
- $4,950
- Assessed improvements
- $563,400
Zoning
R6B: floor area ratio 1.53 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.