6522 20th Avenue, Brooklyn
Apartment building · 7 units · built c. 1931 · Block 5555, Lot 39.
Building permits
- Alteration, filed Aug 11, 2026, estimated cost $15K, described as “Install new plumbing fixtures for new kitchen, including water heater & grease interceptor in cellar.no change in use, occupancy or egress.”
Property taxes
- Assessment
- $319,050
- 2026–27 tax
- $36,675
- Market value (city estimate)
- $709,000
- Taxable value
- $294,840
- Assessed land
- $82,350
- Assessed improvements
- $236,700
Zoning
R5: floor area ratio 1.96 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.
Recent sales
- Mar 22, 2016: $2,750,000
Open-market sales since 2016, from the Department of Finance’s sales files.