# 431A Alter Avenue, Staten Island

Single family · Block 3375, Lot 19.

On Umarelli: https://umarelli.org/nyc/5033750019/431a-alter-avenue

More construction in South Beach: https://umarelli.org/nyc/staten-island/south-beach.md

## Building permits

- New Building — Residential, filed Jul 25, 2023, 1 unit, 3 stories, described as “Construct a one family semi-detached residence with off street parking for one car.”
- New Building, filed Jul 25, 2023, 1 story, described as “Construct an Accessory detached one-car garage.”

## Property taxes

- Assessment: $43,260
- 2026–27 tax: $8,383
- Market value (city estimate): $721,000
- Taxable value: $42,245
- Assessed land: $6,180
- Assessed improvements: $37,080

## Zoning

R3-1: floor area ratio 0.70 built, 0.75 allowed by base zoning.

## Recent sales

- Sep 4, 2024: $870,000

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

## Flood zone

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

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