Licensed Septic Companies in Simi Valley, CA
6 septic companies serve Simi Valley, 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 Simi Valley
Guides: Septic system installation · Installation cost · Pumping cost
6 septic companies in Simi Valley
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Fisher Plumbing
P O Box 587, Simi Valley, CA 93062 · Ventura County
- Licensed: California Licensed Contractor (C36, C42) · #796984 (California Contractors State License Board, verify)
Per state license: Installation
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La Sewer Repair
4180 Guardian St #104, Simi Valley, CA 93063 · Ventura County
- Licensed: California Licensed Contractor (B, C-4, C34, C36, C42, HAZ) · #982538 (California Contractors State License Board, verify)
- Licensed: California Licensed Contractor (B, C36, C42) · #511290 (California Contractors State License Board, verify)
Per state license: Installation
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Pre-Con Products
P O Box 940669, Simi Valley, CA 93094 · Ventura County
- Licensed: California Licensed Contractor (A, C-8, C42) · #246528 (California Contractors State License Board, verify)
- Licensed: California Licensed Contractor (A, C-8, C42) · #918774 (California Contractors State License Board, verify)
From their website: Grease traps Per state license: Installation
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Sewer Rescue Inc
1197 E Los Angeles Avesuite C-229, Simi Valley, CA 93065 · Ventura County
- Licensed: California Licensed Contractor (C36, C42) · #1067535 (California Contractors State License Board, verify)
Per state license: Installation
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Sewer Spy The
Po Box 941538, Simi Valley, CA 93094 · Ventura County
- Licensed: California Licensed Contractor (C34, C36, C42) · #927424 (California Contractors State License Board, verify)
Per state license: Installation
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Suttles Plumbing & Mechanical Corp
2267 Agate Court, Simi Valley, CA 93065 · Ventura County
- Licensed: California Licensed Contractor (B, C-4, C16, C20, C34, C36, C42, D40) · #268688 (California Contractors State License Board, verify)
- Licensed: California Licensed Contractor (B, C-4, C16, C20, C34, C36, C42, D40) · #965356 (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 Simi Valley and whether the permit fee is in their quote.
California septic licensing: agencies, license types and how to check a license →
Septic companies in Simi Valley: common questions
How many licensed septic companies are in Simi Valley, CA?
6 septic companies serve Simi Valley, 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 Simi Valley?
6 listings in Simi Valley 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.