Home Addition cost per square foot in Staten Island
Home Addition cost per square foot in Staten Island, New York in 2026.
Low
$58,500
Average
$110,500
High
$182,000
Staten Island crews quote about $195 – $585 per square foot.
Multiply local unit rates by your real measurements.
What drives home addition prices in Staten Island
Local labor, permitting and climate move Staten Island prices away from the national average.
Labor market
Staten Island offers the most suburban-style pricing in the five boroughs.
Permits
DOB permits with coastal-zone review in shoreline areas.
Climate
Storm surge exposure raises requirements near the water.
Staten Island unit pricing by material
Ways to lower your Staten Island price
- Build up or bump out rather than adding a new foundation footprint.
- Keep plumbing on the existing wet wall — moving water and waste lines is the costliest change.
- Convert existing space (garage, attic, basement) at half the per-square-foot cost.
- Keep the roofline simple; complex tie-ins add framing labor and leak risk.
- Lock the design before demolition — change orders during construction carry the biggest premiums.
Staten Island questions
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