Licensed Septic Companies in Oakland, CA
27 septic companies serve Oakland, California, and 26 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 Oakland
Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Installation cost · Pumping cost
27 septic companies in Oakland
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A-1 Bay Area Rooter & Plumbing
1424 57Th Ave, Oakland, CA 94621 · Alameda County
- Licensed: California Licensed Contractor (C36, C42) · #1116691 (California Contractors State License Board, verify)
Per state license: Installation
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Broadway Mechanical - Contractors Inc
873 81St Ave, Oakland, CA 94621 · Alameda County
- Licensed: California Licensed Contractor (A, B, C-4, C12, C16, C20, C27, C34, C36, C42, C43, C60) · #584263 (California Contractors State License Board, verify)
- Licensed: California Licensed Contractor (C-4, C20, C36, C43) · #1074845 (California Contractors State License Board, verify)
Per state license: Installation
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Challenge Rooter
1472 71St Ave, Oakland, CA 94621 · Alameda County
- Licensed: California Licensed Contractor (A, C42) · #1008865 (California Contractors State License Board, verify)
Per state license: Installation
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Clark Harry Plumbing And Heating Inc
3026 Broadway, Oakland, CA 94611 · Alameda County
- Licensed: California Licensed Contractor (C20, C36, C42) · #792463 (California Contractors State License Board, verify)
Per state license: Installation
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Cutter Sewer And Sanitation Systems
4545 Oak Hill Rd, Oakland, CA 94605 · Alameda County
- Licensed: California Licensed Contractor (C42) · #1042487 (California Contractors State License Board, verify)
Per state license: Installation
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East Bay Sewer Inc
2025 100Th Ave, Oakland, CA 94603 · Alameda County
- Licensed: California Licensed Contractor (A, C42) · #1135344 (California Contractors State License Board, verify)
Per state license: Installation
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Eco Sewers & Drains Plumbing
360 Grand Ave #289, Oakland, CA 94610 · Alameda County
- Licensed: California Licensed Contractor (C36, C42) · #1009599 (California Contractors State License Board, verify)
Per state license: Installation
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Economy Rooter & Plumbing Inc
1752 84Th Ave, Oakland, CA 94621 · Alameda County
- Licensed: California Licensed Contractor (A, C36, C42) · #1039625 (California Contractors State License Board, verify)
Per state license: Installation
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Ehret Co Plumbing & Heating
887 71St Avenue, Oakland, CA 94621 · Alameda County
- Licensed: California Licensed Contractor (B, C20, C36, C42) · #834005 (California Contractors State License Board, verify)
From their website: Inspection Per state license: Installation
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Elden Plumbing Inc
1939 21St Ave Apt #B, Oakland, CA 94606 · Alameda County
- Licensed: California Licensed Contractor (C20, C36, C42) · #1015348 (California Contractors State License Board, verify)
Per state license: Installation
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Emergency Rooter
10700 Snowdown Ave, Oakland, CA 94605 · Alameda County
- Licensed: California Licensed Contractor (A, C42) · #729165 (California Contractors State License Board, verify)
Per state license: Installation
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Ha Hien
4036 Lyon Avenue #A, Oakland, CA 94601 · Alameda County
- Licensed: California Licensed Contractor (B, C16, C42) · #963171 (California Contractors State License Board, verify)
Per state license: Installation
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Knox Sewer And Backhoe Service Inc
P O Box 19002, Oakland, CA 94619 · Alameda County
- Licensed: California Licensed Contractor (C42) · #659212 (California Contractors State License Board, verify)
Per state license: Installation
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Larrieta Sanitation Construction
952 87Th Ave, Oakland, CA 94621 · Alameda County
- Licensed: California Licensed Contractor (C42) · #1007540 (California Contractors State License Board, verify)
Per state license: Installation
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Lio Rooter Company
1187 60Th Ave, Oakland, CA 94621 · Alameda County
- Licensed: California Licensed Contractor (C42) · #1090286 (California Contractors State License Board, verify)
Per state license: Installation
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Monterey Mechanical Co
8275 San Leandro St, Oakland, CA 94621 · Alameda County
- Licensed: California Licensed Contractor (A, ASB, C16, C20, HAZ) · #1063926 (California Contractors State License Board, verify)
- Licensed: California Licensed Contractor (A, B, C-4, C12, C16, C20, C36, C42, C43) · #388361 (California Contractors State License Board, verify)
Per state license: Installation
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Mr Rooter Plumbing
50 Hegengerber Loop, Oakland, CA 94621 · Alameda County
- Licensed: California Licensed Contractor (C36, C42) · #453536 (California Contractors State License Board, verify)
Per state license: Installation
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Mr. Rooter Plumbing of The Oakland-Berkeley Area
564 Jones Ave, Oakland, CA 94603 · Alameda County
- Licensed: California Licensed Contractor (C42) · #1146516 (California Contractors State License Board, verify)
From their website: Inspection Per state license: Installation
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Precision Sewers
1423 Willow St, Oakland, CA 94607 · Alameda County
- Licensed: California Licensed Contractor (A, C36, C42) · #707251 (California Contractors State License Board, verify)
Per state license: Installation
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Rays Service One Plumbing
5735 Avenal Ave Unit 102, Oakland, CA 94605 · Alameda County
- Licensed: California Licensed Contractor (C36, C42) · #1022293 (California Contractors State License Board, verify)
Per state license: Installation
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Rooter Solutions Of California Inc
6114 La Salle Ave #712, Oakland, CA 94611 · Alameda County
- Licensed: California Licensed Contractor (C42) · #1045663 (California Contractors State License Board, verify)
Per state license: Installation
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Rp Sanitation Systems
2133 Baxter St, Oakland, CA 94601 · Alameda County
- Licensed: California Licensed Contractor (C42) · #1154299 (California Contractors State License Board, verify)
Per state license: Installation
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Toto'S Plumbing Inc
2301 Courtland Ave, Oakland, CA 94601 · Alameda County
- Licensed: California Licensed Contractor (C36, C42) · #1001580 (California Contractors State License Board, verify)
Per state license: Installation
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Underground Rooter
1423 48Th Avenue, Oakland, CA 94601 · Alameda County
- Licensed: California Licensed Contractor (C42) · #1076659 (California Contractors State License Board, verify)
Per state license: Installation
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Warriors Plumbing
1335 92Nd Ave, Oakland, CA 94603 · Alameda County
- Licensed: California Licensed Contractor (C36, C42) · #1040009 (California Contractors State License Board, verify)
Per state license: Installation
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Williams Underground Construction Inc
7063 Saroni Drive, Oakland, CA 94611 · Alameda County
- Licensed: California Licensed Contractor (C36, C42) · #787857 (California Contractors State License Board, verify)
Per state license: Installation
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Septic Services in Oakland
600 16th St, Oakland, CA 94612 · Alameda County
From their website: Pumping · Installation · Repair
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 Oakland and whether the permit fee is in their quote.
California septic licensing: agencies, license types and how to check a license →
Septic companies in Oakland: common questions
How many licensed septic companies are in Oakland, CA?
27 septic companies serve Oakland, California, and 26 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 Oakland?
1 of the 27 listings in Oakland 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 Oakland?
27 listings in Oakland 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.