Union Street, Brooklyn

Condominium · 1 unit · built c. 1901 · Block 957, Lot 7501.

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Building permits

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

Property taxes

Assessment
$677,250
2026–27 tax
$40,266
Market value (city estimate)
$1,505,000
Taxable value
$381,720
Assessed land
$49,500
Assessed improvements
$627,750
Condo units with their own tax lots
2

Tax breaks

Zoning

R6A: floor area ratio 1.63 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.

More construction in Park Slope

Every lot on block 957

Umarelli: construction in New York City and Jersey City