81 Sumner Avenue, Staten Island
Two-family · built c. 1915 · Block 1515, Lot 9.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $39,900
- 2026–27 tax
- $5,616
- Market value (city estimate)
- $665,000
- Taxable value
- $28,304
- Assessed land
- $9,720
- Assessed improvements
- $30,180
Zoning
R3X: floor area ratio 0.36 built, 0.75 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jun 9, 2025: $630,000
Open-market sales since 2016, from the Department of Finance’s sales files.