Licensed Septic Companies in Solano County, CA
11 septic companies serve Solano County, California, and 10 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 Solano County
Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Installation cost · Pumping cost
11 septic companies in Solano County
Fairfield 3
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C Y A Septic
490 Chadbourne Road A179, Fairfield, CA 94534
- Licensed: California Licensed Contractor (C42) · #1104603 (California Contractors State License Board, verify)
Per state license: Installation
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Plumbing Solutions
1936 Garden Meadow Ave, Fairfield, CA 94534
- Licensed: California Licensed Contractor (B, C20, C36, C42) · #871320 (California Contractors State License Board, verify)
Per state license: Installation
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Silvermark Construction Services Inc
180 Grobric Ct, Fairfield, CA 94534
- Licensed: California Licensed Contractor (B, C10, C20, C36, C42, C43) · #1019403 (California Contractors State License Board, verify)
Per state license: Installation
Vacaville 3
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Aaron Plumbing
P O Box 2657, Vacaville, CA 95696
- Licensed: California Licensed Contractor (B, C36, C42) · #352544 (California Contractors State License Board, verify)
Per state license: Installation
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Delatorre Septic And Trucking LLC
Po Box 5582, Vacaville, CA 95696
- Licensed: California Licensed Contractor (C42) · #1070098 (California Contractors State License Board, verify)
Per state license: Installation
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Frank'S Septic Service Inc
P O Box 1477, Vacaville, CA 95696
- Licensed: California Licensed Contractor (C42) · #563728 (California Contractors State License Board, verify)
Per state license: Installation
Vallejo 3
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Betos Plumbing And Rooter
145 Byron Street, Vallejo, CA 94590
- Licensed: California Licensed Contractor (C42) · #1106201 (California Contractors State License Board, verify)
Per state license: Installation
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Cm Plumbing Inc
340 Haviture Way, Vallejo, CA 94589
- Licensed: California Licensed Contractor (C36, C42) · #923674 (California Contractors State License Board, verify)
Per state license: Installation
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NS Sewer Piping
303 Los Cerritos Dr, Vallejo, CA 94589
- Licensed: California Licensed Contractor (C12, C42) · #1100248 (California Contractors State License Board, verify)
From their website: Inspection Per state license: Installation
Benicia 1
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Benicia Plumbing Inc
Po Box 1095, Benicia, CA 94510
- Licensed: California Licensed Contractor (A, B, C-4, C16, C20, C34, C36, C42) · #329632 (California Contractors State License Board, verify)
Per state license: Installation
Rio Vista 1
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River Rats Septic Services
25 S 3rd St, Rio Vista, CA 94571
From their website: Pumping · Installation · Inspection · Repair · Risers & lids · Grease traps
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 Solano County and whether the permit fee is in their quote.
California septic licensing: agencies, license types and how to check a license →
Septic companies in Solano County: common questions
How many licensed septic companies are in Solano County, CA?
11 septic companies serve Solano County, California, and 10 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 Solano County?
1 of the 11 listings in Solano County 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 Solano County?
11 listings in Solano County 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.