Septic System Installation cost in Davis, CA
Davis homeowners typically pay $6,550 – $21,800 for septic system installation. Local labor and materials price 9% above the national average.
Davis average
$14,200
Typical low
$6,550
Typical high
$21,800
Per system
$6,550 – $21,800
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
$25,080 – $34,200
Most homeowners pay around $29,640
Compare quality / material level
Cost by material in Davis
Installed Davis pricing per system.
| Option | Installed cost |
|---|---|
| Conventional gravity system | $8,800 – $12,000 |
| Chamber system | $12,000 – $15,900 |
| Pressure-dose / mound system | $15,900 – $20,500 |
| Aerobic treatment unit | $20,500 – $28,300 |
Where the money goes in Davis
A typical $14,200 Davis project, broken down by line item.
- Labor0.45% · $64
- Materials0.38% · $54
- Permits & inspections0.05% · $7
- Overhead & profit0.12% · $17
Common add-ons
Extras that show up on Davis quotes but rarely in the headline price.
Perc test and design
Tank pumping and abandonment
Extra drain field length
Effluent filter and alarm
Ways to save in Davis
- Schedule the perc test early — a failed test changes the whole design.
- Combine excavation with other sitework already planned.
- 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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Septic System Installation cost near Davis
Septic System Installation cost in Sacramento, CA
$6,490 – $21,600
Septic System Installation cost in Roseville, CA
$6,550 – $21,800
Septic System Installation cost in Elk Grove, CA
$6,430 – $21,400
Septic System Installation cost in Woodland, CA
$6,189 – $20,600
Septic System Installation cost in Yuba City, CA
$5,889 – $19,600
Septic System Installation cost in Rancho Cordova, CA
$6,310 – $21,000