121 Martense Street, Brooklyn

Two-family · built c. 1901 · Block 5087, Lot 87.

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Building permits

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

Property taxes

Assessment
$60,540
2026–27 tax
$6,152
Market value (city estimate)
$1,009,000
Taxable value
$30,194
Assessed land
$22,200
Assessed improvements
$38,340

Zoning

R7-1: floor area ratio 0.81 built, 3.44 allowed by base zoning.

Flood zone

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

More construction in Flatbush

Every lot on block 5087

Umarelli: construction in New York City and Jersey City