Septic System Cost in Arizona (2026)
Compare septic system costs across 3 cities in Arizona. Prices range from $6,600 in Tucson to $8,400 in Scottsdale.
State average
$7,367
Range
$6,600 – $8,400
Cities tracked
3
City comparison
| City | Avg cost | Budget range | High-end range | vs state avg |
|---|---|---|---|---|
| Scottsdale, AZ | $8,400 | $3,000–$3,700 | $18,100–$23,200 | +14% |
| Phoenix, AZ | $7,100 | $2,600–$3,100 | $15,400–$19,700 | -4% |
| Tucson, AZ | $6,600 | $2,400–$2,900 | $14,300–$18,200 | -10% |
Explore each city
Scottsdale, AZ
Avg: $8,400 · $3,000–$23,200
Phoenix, AZ
Avg: $7,100 · $2,600–$19,700
Tucson, AZ
Avg: $6,600 · $2,400–$18,200
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Frequently asked questions
The average septic system in Arizona costs $7,367. Prices range from $6,600 in Tucson to $8,400 in Scottsdale. Costs vary by city due to differences in labor rates, material availability, and local code requirements.