419 1st Street, Brooklyn

Two-family · built c. 1901 · Block 966, Lot 66.

Building permits

Property taxes

Assessment
$339,540
2026–27 tax
$18,401
Market value (city estimate)
$5,659,000
Taxable value
$92,733
Assessed land
$37,740
Assessed improvements
$301,800

Zoning

R6B: floor area ratio 2.05 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