Licensed Septic Companies in Stanislaus County, CA
18 septic companies serve Stanislaus County, California, and 18 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 Stanislaus County
Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Drain field repair · Installation cost · Pumping cost
18 septic companies in Stanislaus County
Modesto 4
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Champion Industrial Contractors, Inc.
P O Box 4399, Modesto, CA 95352
- Licensed: California Licensed Contractor (B, C-2, C-4, C10, C16, C20, C23, C36, C38, C42, C43, C51, C60) · #174777 (California Contractors State License Board, verify)
From their website: Inspection Per state license: Installation
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Garcia Septic + Construction Inc
1101 7Th St, Modesto, CA 95354
- Licensed: California Licensed Contractor (B, C36, C42) · #1070690 (California Contractors State License Board, verify)
Per state license: Installation
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Jb Demo & Dirt
6130 Blue Gum Ave, Modesto, CA 95358
- Licensed: California Licensed Contractor (C21, C42) · #1108036 (California Contractors State License Board, verify)
Per state license: Installation
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West Side Plumbing
1836 Mimi Way, Modesto, CA 95351
- Licensed: California Licensed Contractor (C36, C42) · #1065075 (California Contractors State License Board, verify)
Per state license: Installation
Oakdale 3
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Brown Sheet Metal And Mechanical Inc
1025 West F Street, Oakdale, CA 95361
- Licensed: California Licensed Contractor (B, C-4, C20, C36, C42, C43, C60) · #238921 (California Contractors State License Board, verify)
Per state license: Installation
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Mountain Valley Pumping
P O Box 266, Oakdale, CA 95361
- Licensed: California Licensed Contractor (C42) · #1112044 (California Contractors State License Board, verify)
From their website: Pumping · Inspection · Repair · Drain field · Grease traps Per state license: Installation
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Roto-Rooter
1015 Wakefield Drive, Oakdale, CA 95361
- Licensed: California Licensed Contractor (A, C36, C42, HAZ) · #604196 (California Contractors State License Board, verify)
Per state license: Installation
Hughson 2
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Perennial Builders
10136 E Whitmore Ave, Hughson, CA 95326
- Licensed: California Licensed Contractor (B, C42) · #1036014 (California Contractors State License Board, verify)
Per state license: Installation
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Pristine Plumbing & Rooter LLC
4043 Geer Rd, Hughson, CA 95326
- Licensed: California Licensed Contractor (C36, C42) · #1035587 (California Contractors State License Board, verify)
Per state license: Installation
Turlock 2
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Gutierrez Mark
17324 West Bradbury Road, Turlock, CA 95380
- Licensed: California Licensed Contractor (B, C-8, C20, C36, C42, C53) · #865646 (California Contractors State License Board, verify)
Per state license: Installation
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Thorsen'S-Norquist Inc
Po Box 2310, Turlock, CA 95380
- Licensed: California Licensed Contractor (B, C-2, C-4, C16, C20, C36, C42, C43, C46) · #688058 (California Contractors State License Board, verify)
Per state license: Installation
Ceres 1
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Central Valley Paving
1310 Rockefeller Dr, Ceres, CA 95307
- Licensed: California Licensed Contractor (C12, C42) · #424008 (California Contractors State License Board, verify)
Per state license: Installation
Empire 1
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Teeples Plumbing & Drilling Inc
P O Box 1717, Empire, CA 95319
- Licensed: California Licensed Contractor (A, C36, C42) · #875920 (California Contractors State License Board, verify)
Per state license: Installation
La Grange 1
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J D Septic Service
14999 Avenida Central, La Grange, CA 95329
- Licensed: California Licensed Contractor (C42) · #897945 (California Contractors State License Board, verify)
Per state license: Installation
Newman 1
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Dave'S Drain Cleaning & Plumbing
P O Box 516, Newman, CA 95360
- Licensed: California Licensed Contractor (B, C36, C42) · #741731 (California Contractors State License Board, verify)
Per state license: Installation
Patterson 1
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William Cook Plumbing & Construction Incorporated
1428 Angus St, Patterson, CA 95363
- Licensed: California Licensed Contractor (B, C36, C42) · #1020317 (California Contractors State License Board, verify)
Per state license: Installation
Riverbank 1
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N M Construction Co
P O Box 1352, Riverbank, CA 95367
- Licensed: California Licensed Contractor (B, C42) · #775058 (California Contractors State License Board, verify)
Per state license: Installation
Salida 1
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Pro Pumping Septic Service
4016 Meadow Brook Ln, Salida, CA 95368
- Licensed: California Licensed Contractor (C42) · #1130364 (California Contractors State License Board, verify)
From their website: Pumping · Repair 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 Stanislaus 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 Stanislaus County: common questions
How many licensed septic companies are in Stanislaus County, CA?
18 septic companies serve Stanislaus County, California, and 18 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 Stanislaus County?
2 of the 18 listings in Stanislaus 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 Stanislaus County?
18 listings in Stanislaus 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.