Septic Tank Replacement Cost in Boise, ID
In Boise, ID, septic tank replacement costs about $7,500 for one tank and drain field work, with most jobs from $3,500 to $15,000. That is close to the national typical price of $7,500.
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Septic Tank Replacement price range in Boise
| Low | Typical | High | |
|---|---|---|---|
| Price in Boise | $3,500 | $7,500 | $15,000 |
| US national price | $3,500 | $7,500 | $15,000 |
| Difference | +$0 | +$0 | +$0 |
Labor is usually the biggest part of the bill, and rates in Boise depend on local demand. Local cost index used: 1.00 (1.00 is the US average).
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What affects the price in Boise
- House or job size
- Material and quality grade
- Local labor rates
- Permits and inspections
The price covers one tank and drain field work. Typical project time is 2 to 5 days. Expected life: 20 to 40 years.
How to get a fair price in Boise
- Collect at least three written quotes from licensed and insured Idaho contractors.
- Ask for the price split into labor, materials and permits.
- Check licenses with the Idaho state licensing board.
- Pay in stages tied to finished work, not all up front.
Frequently asked questions
How much does septic tank replacement cost in Boise?
About $7,500, with a typical range of $3,500 to $15,000 for one tank and drain field work.
Is septic tank replacement more expensive in Boise than average?
It is close to the national typical price.
Does the price include permits?
Sometimes. Ask your contractor whether permits, disposal and cleanup are in the quote.
Sources and method
- Bureau of Economic Analysis: regional price parities
- U.S. Bureau of Labor Statistics: Occupational Outlook Handbook
- Prices are modelled estimates, not quotes
Page last updated November 2026. See our editorial policy and disclaimer.