688 5th Avenue, Brooklyn

Two-family with store · built c. 1932 · Block 640, Lot 42.

Building permits

Property taxes

Assessment
$141,360
2026–27 tax
$7,098
Market value (city estimate)
$2,356,000
Taxable value
$35,770
Assessed land
$11,460
Assessed improvements
$129,900

Zoning

R6A: floor area ratio 1.79 built, 3.00 allowed by base zoning.

Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

More construction in Sunset Park

Every lot on block 640

Umarelli: construction in New York City and Jersey City