21 Ardmore Avenue, Staten Island
Single family · built 2024 · Block 740, Lot 58.
Building permits
- New Building — Residential, filed Jun 15, 2023, 1 unit, 3 stories, described as “Tentative lot 58. Construct semi-detached residence with accessory off street parkign for two cars.”
Property taxes
- Assessment
- $51,480
- 2026–27 tax
- $10,215
- Market value (city estimate)
- $858,000
- Taxable value
- $51,480
- Assessed land
- $6,480
- Assessed improvements
- $45,000
Zoning
R3-1: floor area ratio 0.90 built, above the 0.75 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jan 28, 2025: $773,870
Open-market sales since 2016, from the Department of Finance’s sales files.