6412 20th Avenue, Brooklyn

Four-family with store · built c. 1931 · Block 5548, Lot 42.

Building permits

Property taxes

Assessment
$543,600
2026–27 tax
$11,802
Market value (city estimate)
$1,208,000
Taxable value
$94,882
Assessed land
$105,300
Assessed improvements
$438,300

Zoning

R5: floor area ratio 1.65 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 Borough Park

Every lot on block 5548

Umarelli: construction in New York City and Jersey City