171 Madison Street, Brooklyn

Two-family · built c. 1931 · Block 1817, Lot 78.

Building permits

Property taxes

Assessment
$72,300
2026–27 tax
$14,327
Market value (city estimate)
$1,205,000
Taxable value
$72,204
Assessed land
$14,580
Assessed improvements
$57,720

Zoning

R6B: floor area ratio 2.00 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 Bedford-Stuyvesant

Every lot on block 1817

Umarelli: construction in New York City and Jersey City