446 15th Street, Brooklyn

Co-op · 8 units · built c. 1906 · Block 1105, Lot 22.

Building permits

Property taxes

Assessment
$1,178,100
2026–27 tax
$17,897
Market value (city estimate)
$2,618,000
Taxable value
$190,875
Assessed land
$34,650
Assessed improvements
$1,143,450

Tax breaks

Zoning

R6B: floor area ratio 2.98 built, above the 2.00 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.

Landmarks

Part of Park Slope Historic District Extension (Historic District). 1 Landmarks Preservation Commission permit is on file.

More construction in South Slope

Every lot on block 1105

Umarelli: construction in New York City and Jersey City