Salt Lake City adu construction pricing per square foot
ADU Construction cost per square foot in Salt Lake City, Utah in 2026.
Low
$160,500
Average
$240,800
High
$321,000
Salt Lake City crews quote about $270 – $535 per square foot.
Multiply local unit rates by your real measurements.
What drives adu construction prices in Salt Lake City
Local labor, permitting and climate move Salt Lake City prices away from the national average.
Labor market
Licensed trade labor in Salt Lake City runs about 107% of the national average, and the best crews book out fastest in spring and early summer.
Permits
Most Salt Lake City, UT projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not.
Climate
Utah weather drives material choices here, so ask contractors what they install most often in Salt Lake City and why.
Salt Lake City unit pricing by material
Ways to lower your Salt Lake City 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.
Salt Lake City questions
People also search: adu construction cost Salt Lake City · adu construction near me Salt Lake City · adu construction price per square foot Salt Lake City · adu construction permit cost Salt Lake City
Price my project in Salt Lake City
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