80 Clarkson Avenue, Brooklyn

Apartment building · 83 units · built c. 1938 · Block 5064, Lot 47.

Building permits

Property taxes

Assessment
$1,626,300
2026–27 tax
$202,295
Market value (city estimate)
$3,614,000
Taxable value
$1,626,300
Assessed land
$354,600
Assessed improvements
$1,271,700

Zoning

R7A: floor area ratio 4.32 built, above the 4.00 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 Flatbush

Every lot on block 5064

Umarelli: construction in New York City and Jersey City