230 21st Street, Brooklyn
Four-family · built c. 1931 · Block 643, Lot 33.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $490,500
- 2026–27 tax
- $9,314
- Market value (city estimate)
- $1,090,000
- Taxable value
- $74,879
- Assessed land
- $95,400
- Assessed improvements
- $395,100
Zoning
R6A: floor area ratio 1.65 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.