Septic System Cost in California (2026)
Compare septic system costs across 5 cities in California. Prices range from $8,800 in Sacramento to $11,800 in San Francisco.
State average
$10,380
Range
$8,800 – $11,800
Cities tracked
5
City comparison
| City | Avg cost | Budget range | High-end range | vs state avg |
|---|---|---|---|---|
| San Francisco, CA | $11,800 | $4,300–$5,200 | $25,600–$32,700 | +14% |
| San Jose, CA | $11,400 | $4,100–$5,000 | $24,600–$31,500 | +10% |
| Los Angeles, CA | $10,300 | $3,700–$4,500 | $22,200–$28,400 | -1% |
| San Diego, CA | $9,600 | $3,500–$4,200 | $20,700–$26,500 | -8% |
| Sacramento, CA | $8,800 | $3,200–$3,900 | $19,100–$24,400 | -15% |
Explore each city
San Francisco, CA
Avg: $11,800 · $4,300–$32,700
San Jose, CA
Avg: $11,400 · $4,100–$31,500
Los Angeles, CA
Avg: $10,300 · $3,700–$28,400
San Diego, CA
Avg: $9,600 · $3,500–$26,500
Sacramento, CA
Avg: $8,800 · $3,200–$24,400
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Frequently asked questions
The average septic system in California costs $10,380. Prices range from $8,800 in Sacramento to $11,800 in San Francisco. Costs vary by city due to differences in labor rates, material availability, and local code requirements.