6521 20th Avenue, Brooklyn

Four-family with store · built c. 1931 · Block 5556, Lot 2.

Building permits

Property taxes

Assessment
$321,750
2026–27 tax
$12,601
Market value (city estimate)
$715,000
Taxable value
$101,305
Assessed land
$95,400
Assessed improvements
$226,350

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.

Recent sales

Open-market sales since 2016, from the Department of Finance’s sales files.

More construction in Bensonhurst

Every lot on block 5556

Umarelli: construction in New York City and Jersey City