136 23rd Street, Brooklyn

Apartment building · 6 units · built c. 1929 · Block 648, Lot 19.

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Building permits

Permit records are unavailable right now; the map lists them once the city responds.

Property taxes

Assessment
$612,900
2026–27 tax
$11,177
Market value (city estimate)
$1,362,000
Taxable value
$89,852
Assessed land
$5,400
Assessed improvements
$607,500

Zoning

M1-2D: floor area ratio 1.65 built, 2.00 allowed by base zoning.

Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

More construction in Sunset Park

Every lot on block 648

Umarelli: construction in New York City and Jersey City