5813 21st Avenue, Brooklyn

Two-family · built c. 1925 · Block 5508, Lot 5.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$96,960
2026–27 tax
$7,429
Market value (city estimate)
$1,616,000
Taxable value
$36,629
Assessed land
$18,900
Assessed improvements
$78,060

Zoning

R5: floor area ratio 1.00 built, 1.50 allowed by base zoning.

Flood zone

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

More construction in Borough Park

Every lot on block 5508

Umarelli: construction in New York City and Jersey City