ADU Construction cost in Davis, CA
Davis homeowners typically pay $163,500 – $327,000 for adu construction. Local labor and materials price 9% above the national average.
Davis average
$245,300
Typical low
$163,500
Typical high
$327,000
Per square foot
$275 – $545
Sample ZIP
95616
What drives Davis pricing
Local labor
Licensed Davis contractors carry California workers' comp and prevailing wage pressure, and crews here quote roughly 9% above the national labor average. Demand in the Sacramento market peaks in spring, so booking early usually beats a rush premium.
Permits & code
Davis follows the California Building Standards Code, so most structural, electrical, plumbing and re-roof work needs a permit from the Davis building department plus Title 24 energy compliance. Sacramento-area jurisdictions add floodplain review in parts of the valley.
Climate & conditions
Davis sits in a hot-summer Mediterranean climate with wet winters, so expect heat-rated materials and exterior work scheduled outside the wet winter.
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Estimated project cost
$145,350 – $196,650
Most homeowners pay around $171,000
Compare quality / material level
Cost by material in Davis
Installed Davis pricing per square foot.
| Option | Installed cost |
|---|---|
| Prefab studio ADU | $255 – $345 |
| Site-built 1-bedroom | $345 – $460 |
| Site-built 2-bedroom | $460 – $595 |
| Custom high-end ADU | $595 – $820 |
Where the money goes in Davis
A typical $245,300 Davis project, broken down by line item.
- Labor0.45% · $1,104
- Materials0.38% · $932
- Permits & inspections0.05% · $123
- Overhead & profit0.12% · $294
Common add-ons
Extras that show up on Davis quotes but rarely in the headline price.
Utility connections
Site work and foundation
Design and permits
Impact fees
Ways to save in Davis
- 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.
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ADU Construction cost near Davis
ADU Construction cost in Sacramento, CA
$162,000 – $324,000
ADU Construction cost in Roseville, CA
$163,500 – $327,000
ADU Construction cost in Elk Grove, CA
$160,500 – $321,000
ADU Construction cost in Woodland, CA
$154,500 – $309,000
ADU Construction cost in Yuba City, CA
$147,000 – $294,000
ADU Construction cost in Rancho Cordova, CA
$157,500 – $315,000