Affordable adu construction in Denver, CO
Affordable adu construction in Denver, Colorado. Budget jobs start near the low end of $163,500 – $327,000.
Low
$163,500
Average
$245,300
High
$327,000
Denver crews quote about $275 – $545 per square foot.
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What drives adu construction prices in Denver
Local labor, permitting and climate move Denver prices away from the national average.
Labor market
Denver labor runs about 10% above the national average and books out in summer.
Permits
Denver permits required for roofing, structural, electrical and fences.
Climate
Hail is the top driver of roof replacement; freeze-thaw affects concrete.
Ways to lower your Denver 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.
Denver questions
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