831 Madison Avenue, Manhattan

Apartment building · 4 units · built c. 1886 · Block 1384, Lot 22.

Building permits

No building permits on file for this lot.

Property taxes

Assessment
$7,975,800
2026–27 tax
$721,704
Market value (city estimate)
$17,724,000
Taxable value
$5,801,946
Assessed land
$652,500
Assessed improvements
$7,323,300

Zoning

C5-1: floor area ratio 4.73 built, 10.00 allowed by base zoning.

Flood zone

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

Recent sales

Open-market sales since 2016, from the Department of Finance’s sales files.

Landmarks

Part of Upper East Side Historic District (Historic District). 21 Landmarks Preservation Commission permits are on file.

In the news

Renderings Revealed for Redevelopment of 831–837 Madison Avenue on Manhattan’s Upper East Side, New York YIMBY, Sep 30, 2025.

More construction in Upper East Side

Umarelli: construction in New York City and Jersey City