663 3rd Avenue, Brooklyn

Mixed use · 1 unit · built 1963 · Block 636, Lot 64.

Building permits

Property taxes

Assessment
$290,250
2026–27 tax
$29,993
Market value (city estimate)
$645,000
Taxable value
$276,480
Assessed land
$26,550
Assessed improvements
$263,700

Zoning

M1-2D: floor area ratio 2.44 built, above the 2.00 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 Sunset Park

Every lot on block 636

Umarelli: construction in New York City and Jersey City