139 20th Street, Brooklyn

Apartment building · 6 units · built c. 1920 · Block 636, Lot 59.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$557,100
2026–27 tax
$12,785
Market value (city estimate)
$1,238,000
Taxable value
$102,778
Assessed land
$4,950
Assessed improvements
$552,150

Zoning

M1-2D: floor area ratio 2.44 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.

More construction in Sunset Park

Every lot on block 636

Umarelli: construction in New York City and Jersey City