315 6th Avenue, Brooklyn

Co-op · 4 units · built c. 1920 · Block 976, Lot 4.

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Building permits

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

Property taxes

Assessment
$1,335,600
2026–27 tax
$12,630
Market value (city estimate)
$2,968,000
Taxable value
$141,146
Assessed land
$15,300
Assessed improvements
$1,320,300

Tax breaks

Zoning

R6B: floor area ratio 2.67 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.

More construction in Park Slope

Every lot on block 976

Umarelli: construction in New York City and Jersey City