Licensed Septic Companies in San Joaquin County, CA
16 septic companies serve San Joaquin County, California, and 12 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 San Joaquin County
Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Drain field repair · Installation cost · Pumping cost
16 septic companies in San Joaquin County
Stockton 4
-
John Williams Underground Sewer
8001 North Stephens Road, Stockton, CA 95215
- Licensed: California Licensed Contractor (A, C42) · #1060903 (California Contractors State License Board, verify)
Per state license: Installation
-
Richard'S Pumping & Excavating Inc
10227 E Hwy 26, Stockton, CA 95215
- Licensed: California Licensed Contractor (A, C42) · #850703 (California Contractors State License Board, verify)
Per state license: Installation
-
Parrish & Sons Inc
4698 Waterloo Rd, Stockton, CA 95215
From their website: Pumping · Installation · Drain field · Perc testing · Grease traps
-
Roto-Rooter Plumbing & Water Cleanup
4228 Newton Rd, Stockton, CA 95205
From their website: Pumping · Inspection · Grease traps
French Camp 3
-
Aaa Septic And Rooter
Po Box 510, French Camp, CA 95231
- Licensed: California Licensed Contractor (C42) · #811037 (California Contractors State License Board, verify)
Per state license: Installation
-
Budget Plumbing Inc
9525 Priest Road, French Camp, CA 95231
- Licensed: California Licensed Contractor (B, C36, C42) · #792521 (California Contractors State License Board, verify)
- Licensed: California Licensed Contractor (C20, C36) · #955821 (California Contractors State License Board, verify)
Per state license: Installation
-
French Camp Septic Service
700 French Camp Rd, French Camp, CA 95231
From their website: Pumping · Installation · Repair
Tracy 3
-
Oviawe Uyiosa
2421 Azalea Ave, Tracy, CA 95376
- Licensed: California Licensed Contractor (A, C42) · #1063009 (California Contractors State License Board, verify)
Per state license: Installation
-
Sierra Construction & Septic
8650 Waterwell Way, Tracy, CA 95304
- Licensed: California Licensed Contractor (B, C42) · #839545 (California Contractors State License Board, verify)
Per state license: Installation
-
Trippple Threat Plumbing LLC
2455 Naglee Rd 187, Tracy, CA 95304
- Licensed: California Licensed Contractor (C36, C42) · #1049358 (California Contractors State License Board, verify)
Per state license: Installation
Manteca 2
-
AAA Septic Inc.
10583 S Airport Way, Manteca, CA 95336
- Licensed: California Licensed Contractor (C36) · #1128956 (California Contractors State License Board, verify)
From their website: Pumping · Inspection · Risers & lids
-
Clark's Septic Services
Manteca, CA 95336, Manteca, CA 95336
From their website: Pumping · Inspection · Grease traps
Acampo 1
-
Central Valley Septic Backhoe & Drilling
4260 Collier Rd E, Acampo, CA 95220
- Licensed: California Licensed Contractor (C42) · #459045 (California Contractors State License Board, verify)
From their website: Pumping · Installation · Repair · Drain field · Perc testing
Escalon 1
-
Elvis Booth
29568 Vine Ave, Escalon, CA 95320
- Licensed: California Licensed Contractor (C12, C42) · #1050181 (California Contractors State License Board, verify)
Per state license: Installation
Lodi 1
-
Central Valley Septic Backhoe
2316 Olson Dr, Lodi, CA 95242
- Licensed: California Licensed Contractor (C42) · #459045 (California Contractors State License Board, verify)
From their website: Pumping · Installation · Repair · Drain field · Perc testing
Thornton 1
-
Septic Install Experts
P O Box 796, Thornton, CA 95686
- Licensed: California Licensed Contractor (C42) · #1122273 (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 San Joaquin 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 San Joaquin County: common questions
How many licensed septic companies are in San Joaquin County, CA?
16 septic companies serve San Joaquin County, California, and 12 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 San Joaquin County?
7 of the 16 listings in San Joaquin 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 San Joaquin County?
13 listings in San Joaquin 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.