Licensed Septic Companies in Wildomar, CA
6 septic companies serve Wildomar, 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 Wildomar
Guides: Septic system installation · Septic repair · Installation cost · Pumping cost
6 septic companies in Wildomar
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Curtis Dump Truck & Backhoe Service Inc
21130 Union Street, Wildomar, CA 92595 · Riverside County
- Licensed: California Licensed Contractor (A, C42) · #552745 (California Contractors State License Board, verify)
Per state license: Installation
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Diamond W Excavating
34545 Woods Ln, Wildomar, CA 92595 · Riverside County
- Licensed: California Licensed Contractor (A, B, C42) · #554199 (California Contractors State License Board, verify)
Per state license: Installation
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Flowright Sanitary Structures Inc
Po Box 1596, Wildomar, CA 92595 · Riverside County
- Licensed: California Licensed Contractor (C42) · #1101276 (California Contractors State License Board, verify)
Per state license: Installation
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Last Call Backhoe, LLC
34545 Woods Lane, Wildomar, CA 92595 · Riverside County
- Licensed: California Licensed Contractor (C42) · #1123385 (California Contractors State License Board, verify)
From their website: Installation · Repair
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Nextgen Septic By Willette
21438 Grand Ave, Wildomar, CA 92595 · Riverside County
- Licensed: California Licensed Contractor (C42) · #1156623 (California Contractors State License Board, verify)
Per state license: Installation
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Rightway Septic Tank Pumping
22145 Grand Ave, Wildomar, CA 92595 · Riverside County
- Licensed: California Licensed Contractor (C10, C42) · #1113374 (California Contractors State License Board, verify)
Per state license: Installation
No listings match those filters.
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 Wildomar and whether the permit fee is in their quote.
California septic licensing: agencies, license types and how to check a license →
Septic companies in Wildomar: common questions
How many licensed septic companies are in Wildomar, CA?
6 septic companies serve Wildomar, 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 install septic systems in Wildomar?
6 listings in Wildomar 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.