831 Madison Avenue, Manhattan
Apartment building · 4 units · built c. 1886 · Block 1384, Lot 22.
Some of the city’s records for this lot were still loading when this page was made; it refreshes within minutes.
Building permits
Permit records are unavailable right now; the map lists them once the city responds.
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
- Nov 6, 2020: $12,856,500, 16,201 sq ft ($794 per sq ft)
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.