281 Alter Avenue, Staten Island
Two-family · built 2025 · Block 3337, Lot 49.
Building permits
- New Building — Residential, filed Sep 5, 2025, 2 units, 3 stories, described as “Three-story two-family dwelling with accessory parking for one car.”
- Alteration, filed Sep 3, 2026, estimated cost $47K, described as “Filing herewith tax abatement application for installation of roof mounted solar panels. No change in use, egress or occupancy.”
- Alteration, filed Jan 13, 2026, estimated cost $29K, described as “Installation of new fire sprinkler system with valves and meters for same”
- Demolition, filed May 7, 2025, described as “Full demolition of a 1-story residential structure”
Property taxes
- Assessment
- $10,380
- 2026–27 tax
- $2,060
- Market value (city estimate)
- $173,000
- Taxable value
- $10,380
- Assessed land
- $10,380
Zoning
R3X: floor area ratio 0.75 built, 0.75 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.
Recent sales
- Apr 23, 2025: $575,000
Open-market sales since 2016, from the Department of Finance’s sales files.