648 5th Avenue, Brooklyn

Vacant land · Block 634, Lot 46.

Building permits

Property taxes

Assessment
$73,350
2026–27 tax
$3,911
Market value (city estimate)
$163,000
Taxable value
$36,054
Assessed land
$73,350

Zoning

R6A: floor area ratio 0.00 built, 3.00 allowed by base zoning.

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 634

Umarelli: construction in New York City and Jersey City