417 1st Street, Brooklyn

Four-family · built c. 1920 · Block 966, Lot 67.

Building permits

Property taxes

Assessment
$1,157,400
2026–27 tax
$8,566
Market value (city estimate)
$2,572,000
Taxable value
$68,860
Assessed land
$297,000
Assessed improvements
$860,400

Zoning

R6B: floor area ratio 1.84 built, 2.00 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 966

Umarelli: construction in New York City and Jersey City