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San Diego, California

Licensed Septic Companies in San Diego, CA

11 septic companies serve San Diego, California, and 6 of them hold a California septic license or certification matched to the California Contractors State License Board list (data as of October 2026).

Septic services in San Diego

Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Drain field repair · Aerobic septic systems · Installation cost · Pumping cost

11 septic companies in San Diego

Septic licensing in California

California has no license named for septic work; septic systems fall under the C-42 Sanitation System classification. Counties issue system permits. The Contractors State License Board (CSLB) issues these credentials: C-42 Sanitation System contractor license.

Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles San Diego and whether the permit fee is in their quote.

California septic licensing: agencies, license types and how to check a license →

Septic companies in San Diego: common questions

How many licensed septic companies are in San Diego, CA?

11 septic companies serve San Diego, California, and 6 of them hold a California septic license or certification matched to the California Contractors State License Board list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.

Who licenses septic contractors in California?

California has no license named for septic work; septic systems fall under the C-42 Sanitation System classification. Counties issue system permits. The licensing body is the Contractors State License Board (CSLB).

Which companies pump septic tanks in San Diego?

3 of the 11 listings in San Diego offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.

Which companies install septic systems in San Diego?

5 listings in San Diego install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their California license.

How do I check a septic contractor's license in California?

Use the Contractors State License Board (CSLB)'s lookup (https://www.cslb.ca.gov/onlineservices/checklicenseII/checklicense.aspx) and search the contractor's name or license number. Our guide to checking a septic license walks through it.