6505 20th Avenue, Brooklyn
Four-family with store · built c. 1931 · Block 5556, Lot 8.
Building permits
- Alteration, filed Apr 13, 2026, estimated cost $15K, described as “Interior renovation of existing commercial space to install replace hood system and ductwork system, etc. No change of use, egress, or occupancy.”
Property taxes
- Assessment
- $497,700
- 2026–27 tax
- $12,601
- Market value (city estimate)
- $1,106,000
- Taxable value
- $101,305
- Assessed land
- $95,400
- Assessed improvements
- $402,300
Zoning
R5: floor area ratio 1.82 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.