431B Alter Avenue, Staten Island
Single family · Block 3375, Lot 18.
Building permits
- New Building, filed Jul 25, 2023, 1 story, described as “Construct an Accessory detached one-car garage.”
- 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.”
- Alteration, filed Feb 24, 2025, estimated cost $20K, described as “Filing herewith tax abatement application for installation of roof mounted solar panels. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $45,120
- 2026–27 tax
- $6,862
- Market value (city estimate)
- $752,000
- Taxable value
- $42,245
- Assessed land
- $8,040
- Assessed improvements
- $37,080
Tax breaks
- Solar abatement, through Jun 30, 2029, a $1,521 credit this tax year.
Zoning
R3-1: floor area ratio 0.70 built, 0.75 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 6, 2024: $865,513
Open-market sales since 2016, from the Department of Finance’s sales files.