247 Guyon Avenue, Staten Island
Single family · built c. 1925 · Block 4297, Lot 1.
Building permits
- New Building — Residential, filed Sep 25, 2026, 1 unit, 3 stories, described as “Construct a one-family residence with an accessory ancillary dwelling unit(ADU) and offstreet parking for one car.”
- Alteration, filed Oct 23, 2026, estimated cost $12K, described as “Temporary construction fence located around entire lot perimeter in Block 4297 Lot 1 - 247 Guyon Avenue. Also applies to future NB applications in Tentative Lot 1 and Tentative Lot 3).”
Property taxes
- Assessment
- $47,580
- 2026–27 tax
- $8,469
- Market value (city estimate)
- $793,000
- Taxable value
- $42,682
- Assessed land
- $17,640
- Assessed improvements
- $29,940
Zoning
R2: floor area ratio 0.20 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
- Jul 30, 2026: $975,000, 1,468 sq ft ($664 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.