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Ventura County, California

Licensed Septic Companies in Ventura County, CA

26 septic companies serve Ventura County, California, and 22 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 Ventura County

Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Drain field repair · Installation cost · Pumping cost

26 septic companies in Ventura County

Camarillo 6

  • Advanced Sanitation

    Po Box 3445, Camarillo, CA 93011

    • Licensed: California Licensed Contractor (C42) · #1014079 (California Contractors State License Board, verify)

    Per state license: Installation

    (805) 484-3282

  • Angel Industries Co

    Po Box 1418, Camarillo, CA 93011

    • Licensed: California Licensed Contractor (A, B, C36, C42) · #892927 (California Contractors State License Board, verify)

    Per state license: Installation

    (310) 857-6800

  • Dugan Underground, Corporation

    444 Constitution Ave, Camarillo, CA 93012

    • Licensed: California Licensed Contractor (A, C42, HAZ) · #1115607 (California Contractors State License Board, verify)

    Per state license: Installation

    (805) 795-6932 duganunderground.com

  • JS Innovative Systems, Inc.

    1243 Flynn Rd # 502, Camarillo, CA 93012

    • Licensed: California Licensed Contractor (A, C42) · #842516 (California Contractors State License Board, verify)

    From their website: Pumping · Installation · Repair

    (805) 987-7747 jsinnovative.net

  • Roy Darrell Enterprises Inc

    P O Box 2615, Camarillo, CA 93011

    • Licensed: California Licensed Contractor (A, C42) · #651852 (California Contractors State License Board, verify)

    Per state license: Installation

    (805) 389-1860

  • Volk Vincent Plumbing

    425 Constitution Ave Ste B, Camarillo, CA 93012

    • Licensed: California Licensed Contractor (C36, C42) · #360487 (California Contractors State License Board, verify)

    Per state license: Installation

    (805) 427-1182

Oxnard 6

Simi Valley 6

  • Fisher Plumbing

    P O Box 587, Simi Valley, CA 93062

    • Licensed: California Licensed Contractor (C36, C42) · #796984 (California Contractors State License Board, verify)

    Per state license: Installation

    (805) 660-1548

  • La Sewer Repair

    4180 Guardian St #104, Simi Valley, CA 93063

    • 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

    (818) 317-2130

  • Pre-Con Products

    P O Box 940669, Simi Valley, CA 93094

    • 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

    (805) 527-0841 preconproducts.com

  • Sewer Rescue Inc

    1197 E Los Angeles Avesuite C-229, Simi Valley, CA 93065

    • Licensed: California Licensed Contractor (C36, C42) · #1067535 (California Contractors State License Board, verify)

    Per state license: Installation

    (805) 904-5957

  • Sewer Spy The

    Po Box 941538, Simi Valley, CA 93094

    • Licensed: California Licensed Contractor (C34, C36, C42) · #927424 (California Contractors State License Board, verify)

    Per state license: Installation

    (818) 605-6754

  • Suttles Plumbing & Mechanical Corp

    2267 Agate Court, Simi Valley, CA 93065

    • 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

    (818) 718-9779 suttlesplumbing.com

Westlake Village 3

  • Gmz Engineering Inc

    5655 Lindero Canyon Rd Ste 430, Westlake Village, CA 91362

    • Licensed: California Licensed Contractor (A, B, C-8, C10, C12, C31, C34, C36, C42) · #967627 (California Contractors State License Board, verify)

    Per state license: Installation

    (818) 699-6440 gmzengineering.com

  • Mc Cahon Thomas F

    670 E Carlisle Rd, Westlake Village, CA 91361

    • Licensed: California Licensed Contractor (B, C42) · #622552 (California Contractors State License Board, verify)

    Per state license: Installation

    (805) 495-9543

  • Septic Services of LA

    31333 Agoura Rd, Westlake Village, CA 91361

    From their website: Pumping · Inspection · Drain field · Grease traps

    (424) 550-8444 septicservicesofla.com

Somis 2

  • Shiloh Underground Construction Co Inc

    P O Box 1209, Somis, CA 93066

    • Licensed: California Licensed Contractor (A, C12, C34, C42) · #627360 (California Contractors State License Board, verify)

    Per state license: Installation

    (805) 432-8442

  • Advanced Sanitation

    3379 Somis Rd Unit E, Somis, CA 93066

    From their website: Pumping · Installation · Inspection · Repair · Drain field · Risers & lids · Grease traps

    (805) 849-1754 advancedsanitation.com

Moorpark 1

  • B M D Construction

    7008 Trevino Drive, Moorpark, CA 93021

    • Licensed: California Licensed Contractor (C34, C42) · #301780 (California Contractors State License Board, verify)

    Per state license: Installation

    (805) 523-0484

Santa Paula 1

  • COR Plumbing

    112 E Harvard, Santa Paula, CA 93060

    • Licensed: California Licensed Contractor (A, ASB, C34, C36, C42, HAZ) · #1133316 (California Contractors State License Board, verify)

    From their website: Inspection Per state license: Installation

    (805) 525-3124 corplumbing.com

Ventura 1

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 Ventura 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 Ventura County: common questions

How many licensed septic companies are in Ventura County, CA?

26 septic companies serve Ventura County, California, and 22 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 Ventura County?

4 of the 26 listings in Ventura 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 Ventura County?

23 listings in Ventura 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.