6621 20th Avenue, Brooklyn
Two-family · built c. 1915 · Block 5563, Lot 2.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $72,900
- 2026–27 tax
- $6,859
- Market value (city estimate)
- $1,215,000
- Taxable value
- $34,566
- Assessed land
- $13,260
- Assessed improvements
- $59,640
Zoning
R5: floor area ratio 0.68 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.