423 9th Avenue, Manhattan

Commercial · built 1960 · Block 731, Lot 48.

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Building permits

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

Property taxes

Assessment
$2,304,000
2026–27 tax
$230,988
Market value (city estimate)
$5,120,000
Taxable value
$2,129,310
Assessed land
$585,000
Assessed improvements
$1,719,000

Zoning

C6-4: floor area ratio 1.00 built, 10.00 allowed by base zoning.

Flood zone

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

More construction in Hudson Yards

Every lot on block 731

Umarelli: construction in New York City and Jersey City