ADU Construction cost per square foot in Staten Island
ADU Construction cost per square foot in Staten Island, New York in 2026.
Low
$195,000
Average
$292,500
High
$390,000
Staten Island crews quote about $325 – $650 per square foot.
Multiply local unit rates by your real measurements.
What drives adu construction 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
- Use pre-approved ADU plans where your city offers them — saves months and design fees.
- Detach only if required; attached and conversion ADUs cost far less.
- Collect three written bids on an identical scope — spreads of 20–40% are normal.
- Book in the off-season and stay flexible on the start date to save 5–15%.
- Bundle nearby work into one mobilization so you only pay setup and travel once.
- Ask what the contractor would change to cut 10% without hurting durability.
Staten Island questions
People also search: adu construction cost Staten Island · adu construction near me Staten Island · adu construction price per square foot Staten Island · adu construction permit cost Staten Island
Price my project in Staten Island
Answer a few questions and we'll model a low, average and premium price for your zip code — then match you with accredited local pros.
Price my project