273 6th Avenue, Brooklyn

Co-op · 4 units · built c. 1931 · Block 966, Lot 7.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$1,194,750
2026–27 tax
$36,129
Market value (city estimate)
$2,655,000
Taxable value
$317,749
Assessed land
$11,700
Assessed improvements
$1,183,050

Tax breaks

Zoning

R6B: floor area ratio 2.55 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 966

Umarelli: construction in New York City and Jersey City