404 15th Street, Brooklyn

Two-family · built c. 1901 · Block 1104, Lot 31.

Building permits

Property taxes

Assessment
$284,100
2026–27 tax
$6,330
Market value (city estimate)
$4,735,000
Taxable value
$31,898
Assessed land
$27,360
Assessed improvements
$256,740

Zoning

R6B: floor area ratio 1.94 built, 2.00 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 South Slope

Every lot on block 1104

Umarelli: construction in New York City and Jersey City