445 9th Street, Brooklyn

Apartment building · 5 units · built c. 1881 · Block 1090, Lot 71.

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Building permits

Permit records are unavailable right now; the map lists them once the city responds.

Property taxes

Assessment
$1,313,550
2026–27 tax
$20,833
Assessed land
$208,350
Assessed improvements
$1,105,200

Zoning

R6A: floor area ratio 2.07 built, 3.00 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.

Landmarks

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

More construction in Park Slope

Every lot on block 1090

Umarelli: construction in New York City and Jersey City