6702 21st Avenue, Brooklyn

Four-family · built c. 1931 · Block 5571, Lot 36.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$407,700
2026–27 tax
$16,437
Market value (city estimate)
$906,000
Taxable value
$132,144
Assessed land
$95,400
Assessed improvements
$312,300

Zoning

R5: floor area ratio 1.55 built, above the 1.50 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 Bensonhurst

Every lot on block 5571

Umarelli: construction in New York City and Jersey City