# 831 Madison Avenue, Manhattan

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

On Umarelli: https://umarelli.org/nyc/1013840022/831-madison-avenue

More construction in Upper East Side: https://umarelli.org/nyc/manhattan/upper-east-side.md

## 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.

## 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.

## Flood zone

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

## 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](https://newyorkyimby.com/2025/09/renderings-revealed-for-redevelopment-of-831-837-madison-avenue-on-manhattans-upper-east-side.html), New York YIMBY, Sep 30, 2025.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology