420 Madison Avenue, Manhattan

Commercial · built c. 1927 · Block 1284, Lot 17.

Building permits

Property taxes

Assessment
$3,925,350
2026–27 tax
$419,525
Market value (city estimate)
$8,723,000
Taxable value
$3,867,300
Assessed land
$1,390,500
Assessed improvements
$2,534,850

Zoning

C5-3: floor area ratio 14.10 built, 15.00 allowed by base zoning.

Flood zone

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

Board and land use applications

More construction in Midtown

Every lot on block 1284

Umarelli: construction in New York City and Jersey City