6513 20th Avenue, Brooklyn
Four-family with store · built c. 1931 · Block 5556, Lot 5.
Building permits
- Alteration, filed Jun 25, 2021, estimated cost $5K, described as “Install 1 new boiler in cellar for meter #3 of existing 3 story building.plumbing works as per plan. No change in egress, use, or occupancy.”
- Alteration, filed Apr 28, 2021, estimated cost $5K, described as “Install 1 new boiler and replace exsiting gas piping for meter 3 in cellar. Plumbing works as per plan. No change in egress, use, or occupancy.”
Property taxes
- Assessment
- $331,650
- 2026–27 tax
- $12,601
- Market value (city estimate)
- $737,000
- Taxable value
- $101,305
- Assessed land
- $95,400
- Assessed improvements
- $236,250
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.