6813 21st Avenue, Brooklyn
Apartment building · 42 units · built c. 1926 · Block 5580, Lot 1.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $929,250
- 2026–27 tax
- $109,846
- Market value (city estimate)
- $2,065,000
- Taxable value
- $883,080
- Assessed land
- $86,850
- Assessed improvements
- $842,400
Zoning
R5: floor area ratio 3.52 built, above the 1.50 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.