21 Crosby Avenue, Brooklyn
Single family · built c. 1930 · Block 3884, Lot 330.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $60,420
- 2026–27 tax
- $5,716
- Market value (city estimate)
- $1,007,000
- Taxable value
- $28,806
- Assessed land
- $20,040
- Assessed improvements
- $40,380
Zoning
R3-1: floor area ratio 0.21 built, 0.75 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.