GroundRosterLicensed Septic Installers Based in San Lorenzo, CA
5 licensed septic contractors based in San Lorenzo. Every license number below is sourced from public licensing records, with a link to look it up yourself.
"Based in" is the city on the business's license record. That can be a mailing address; it doesn't tell you where the business works. Businesses based in nearby towns may also work here. Roster copy last refreshed 2026-08-17.
Listings based in San Lorenzo
Star Rooter And Plumbing INC, Licensed
Star Rooter & Plumbing, Licensed
Tap - Tite Company
Nexgen Rooter And Plumbing INC, Licensed
Michael Gardner Plumbing, Licensed
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Services in San Lorenzo, with national cost ranges
Listings based in San Lorenzo whose license class covers each service. Cost ranges are national; each links its cost guide.
| Service | Based in San Lorenzo | National cost |
|---|---|---|
| Septic Tank Pumping | 0 | $250 to $600 |
| Septic System Installation | 5 | $3,600 to $12,500 |
| Septic Inspection | 0 | $150 to $900 |
| Septic System Design | 0 | Varies by site |
| Perc Test and Soil Evaluation | 0 | $250 to $1,000 |
None of the listings based in San Lorenzo hold a license class we can match to septic tank pumping, septic inspection, septic system design or perc test and soil evaluation. Ask any contractor whether they do this work, or browse the listings based in Alameda County.
Hiring a septic contractor in San Lorenzo
Before you hire, confirm the license is still active with the agency that issued it and get at least three written quotes.
Homeowner guides
- What Is a Septic Tank and How Does It Work?
- Do I need a permit for well or septic work in California?