173 Riverside Drive, Manhattan

Co-op · 167 units · built c. 1926 · Block 1250, Lot 67.

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Building permits

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

Property taxes

Assessment
$32,098,500
2026–27 tax
$3,158,120
Assessed land
$4,957,200
Assessed improvements
$27,141,300

Zoning

R10A (part of the lot is R8): floor area ratio 12.10 built, above the 10.00 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 Upper West Side

Every lot on block 1250

Umarelli: construction in New York City and Jersey City