5810 21st Avenue, Brooklyn
Single family · built c. 1931 · Block 5507, Lot 40.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $159,660
- 2026–27 tax
- $22,888
- Market value (city estimate)
- $2,661,000
- Taxable value
- $115,345
- Assessed land
- $24,360
- Assessed improvements
- $135,300
Zoning
R5: floor area ratio 1.32 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.