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Alameda County, California

Licensed Septic Companies in Alameda County, CA

75 septic companies serve Alameda County, California, and 74 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 Alameda County

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

75 septic companies in Alameda County

Oakland 27

  • A-1 Bay Area Rooter & Plumbing

    1424 57Th Ave, Oakland, CA 94621

    • Licensed: California Licensed Contractor (C36, C42) · #1116691 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 712-0906

  • Broadway Mechanical - Contractors Inc

    873 81St Ave, Oakland, CA 94621

    • 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

    (510) 746-4000 broadwaymechanical.com

  • Challenge Rooter

    1472 71St Ave, Oakland, CA 94621

    • Licensed: California Licensed Contractor (A, C42) · #1008865 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 877-2050

  • Clark Harry Plumbing And Heating Inc

    3026 Broadway, Oakland, CA 94611

    • Licensed: California Licensed Contractor (C20, C36, C42) · #792463 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 444-1776 hcplumbing.com

  • Cutter Sewer And Sanitation Systems

    4545 Oak Hill Rd, Oakland, CA 94605

    • Licensed: California Licensed Contractor (C42) · #1042487 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 467-2732

  • East Bay Sewer Inc

    2025 100Th Ave, Oakland, CA 94603

    • Licensed: California Licensed Contractor (A, C42) · #1135344 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 309-7544

  • Eco Sewers & Drains Plumbing

    360 Grand Ave #289, Oakland, CA 94610

    • Licensed: California Licensed Contractor (C36, C42) · #1009599 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 269-0780

  • Economy Rooter & Plumbing Inc

    1752 84Th Ave, Oakland, CA 94621

    • Licensed: California Licensed Contractor (A, C36, C42) · #1039625 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 383-6260

  • Ehret Co Plumbing & Heating

    887 71St Avenue, Oakland, CA 94621

    • Licensed: California Licensed Contractor (B, C20, C36, C42) · #834005 (California Contractors State License Board, verify)

    From their website: Inspection Per state license: Installation

    (510) 528-4292 ehretco.com

  • Elden Plumbing Inc

    1939 21St Ave Apt #B, Oakland, CA 94606

    • Licensed: California Licensed Contractor (C20, C36, C42) · #1015348 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 827-8643 eldenplumbingheating.com

  • Emergency Rooter

    10700 Snowdown Ave, Oakland, CA 94605

    • Licensed: California Licensed Contractor (A, C42) · #729165 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 388-0567

  • Ha Hien

    4036 Lyon Avenue #A, Oakland, CA 94601

    • Licensed: California Licensed Contractor (B, C16, C42) · #963171 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 512-8315

  • Knox Sewer And Backhoe Service Inc

    P O Box 19002, Oakland, CA 94619

    • Licensed: California Licensed Contractor (C42) · #659212 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 712-5068

  • Larrieta Sanitation Construction

    952 87Th Ave, Oakland, CA 94621

    • Licensed: California Licensed Contractor (C42) · #1007540 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 773-0518

  • Lio Rooter Company

    1187 60Th Ave, Oakland, CA 94621

    • Licensed: California Licensed Contractor (C42) · #1090286 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 470-8287 oaklandrooter.com

  • Monterey Mechanical Co

    8275 San Leandro St, Oakland, CA 94621

    • 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

    (510) 632-3173

  • Mr Rooter Plumbing

    50 Hegengerber Loop, Oakland, CA 94621

    • Licensed: California Licensed Contractor (C36, C42) · #453536 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 843-6378

  • Mr. Rooter Plumbing of The Oakland-Berkeley Area

    564 Jones Ave, Oakland, CA 94603

    • Licensed: California Licensed Contractor (C42) · #1146516 (California Contractors State License Board, verify)

    From their website: Inspection Per state license: Installation

    (510) 957-9648 mrrooter.com

  • Precision Sewers

    1423 Willow St, Oakland, CA 94607

    • Licensed: California Licensed Contractor (A, C36, C42) · #707251 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 381-5000

  • Rays Service One Plumbing

    5735 Avenal Ave Unit 102, Oakland, CA 94605

    • Licensed: California Licensed Contractor (C36, C42) · #1022293 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 677-4690

  • Rooter Solutions Of California Inc

    6114 La Salle Ave #712, Oakland, CA 94611

    • Licensed: California Licensed Contractor (C42) · #1045663 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 473-5353

  • Rp Sanitation Systems

    2133 Baxter St, Oakland, CA 94601

    • Licensed: California Licensed Contractor (C42) · #1154299 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 372-4460

  • Toto'S Plumbing Inc

    2301 Courtland Ave, Oakland, CA 94601

    • Licensed: California Licensed Contractor (C36, C42) · #1001580 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 292-6558

  • Underground Rooter

    1423 48Th Avenue, Oakland, CA 94601

    • Licensed: California Licensed Contractor (C42) · #1076659 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 866-5157

  • Warriors Plumbing

    1335 92Nd Ave, Oakland, CA 94603

    • Licensed: California Licensed Contractor (C36, C42) · #1040009 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 467-4536

  • Williams Underground Construction Inc

    7063 Saroni Drive, Oakland, CA 94611

    • Licensed: California Licensed Contractor (C36, C42) · #787857 (California Contractors State License Board, verify)

    Per state license: Installation

    (925) 837-6766

  • Septic Services in Oakland

    600 16th St, Oakland, CA 94612

    From their website: Pumping · Installation · Repair

    (510) 945-1717 septicserviceoakland.com

Hayward 12

  • A-1 Septic Tank Service Inc

    1111 Industrial Pkwy W, Hayward, CA 94544

    • Licensed: California Licensed Contractor (C36, C42) · #438710 (California Contractors State License Board, verify)

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

    (510) 886-4455 a1tank.net

  • Ace Sewer Lateral Contractor

    550 Berry Ave Ste#18, Hayward, CA 95544

    • Licensed: California Licensed Contractor (C42) · #994389 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 258-7385

  • Aqua Stat Plumbing Inc

    1843 Egret Lane, Hayward, CA 94545

    • Licensed: California Licensed Contractor (C36, C42) · #1042922 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 755-7437

  • Carrillo J Plumbing And Drains

    393 Nassau Lane, Hayward, CA 94544

    • Licensed: California Licensed Contractor (C36, C42) · #938525 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 688-2597 jcarrilloplumbing.com

  • Chico Trenchless Co

    462 C Street, Hayward, CA 94541

    • Licensed: California Licensed Contractor (C42) · #817696 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 415-5824

  • Excalibur Rooter and Plumbing Inc

    515 Willow Ave, Hayward, CA 94541

    • Licensed: California Licensed Contractor (C36, C42) · #1072119 (California Contractors State License Board, verify)

    From their website: Inspection Per state license: Installation

    (510) 688-8414 excaliburrooter.com

  • Monarch Plumbing and Rooter Inc

    P O Box 55664, Hayward, CA 94545

    • Licensed: California Licensed Contractor (C36, C42) · #1014475 (California Contractors State License Board, verify)

    From their website: Pumping · Installation · Inspection · Repair · Grease traps

    (510) 330-7678 monarchplumbinginc.com

  • Mr. Rooter Plumbing of Hayward

    26388 Chapman Ct, Hayward, CA 94545

    • Licensed: California Licensed Contractor (C36, C42) · #1083284 (California Contractors State License Board, verify)

    From their website: Inspection Per state license: Installation

    (510) 616-9805 mrrooter.com

  • Pipe Rooter

    21565 Banyan St Apt 4, Hayward, CA 94541

    • Licensed: California Licensed Contractor (C36, C42) · #1106051 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 485-1758

  • PJ Plumbing INC

    10415 Byron Ave, Hayward, CA 94603

    • Licensed: California Licensed Contractor (A, B, C-8, C36, C42) · #992574 (California Contractors State License Board, verify)

    From their website: Inspection Per state license: Installation

    (510) 415-5774 pjplumbingco.com

  • Plumbing Guy & Trenchless

    769 W A St, Hayward, CA 94541

    • Licensed: California Licensed Contractor (C36, C42) · #1101986 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 415-0940

  • Plumbing Prodigy

    Po Box 4053, Hayward, CA 94540

    • Licensed: California Licensed Contractor (C36, C42) · #1108004 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 250-3454

San Leandro 8

Berkeley 6

  • Albert Nahman Plumbing, Heating, and Cooling

    1101 Marina Village Pkwyste 201, Berkeley, CA 94501

    • Licensed: California Licensed Contractor (C20, C36, C42) · #1099384 (California Contractors State License Board, verify)
    • Licensed: California Licensed Contractor (C20, C36, C42) · #1083634 (California Contractors State License Board, verify)

    From their website: Inspection Per state license: Installation

    (510) 408-7879 albertnahmanplumbing.com

  • Berkeley Plumbing & Heating Company Inc

    2160 Dwight Way, Berkeley, CA 94704

    • Licensed: California Licensed Contractor (C-4, C16, C20, C36, C42, C43) · #293715 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 845-8200 berkeleyplumbing.com

  • J J Rooter & Plumbing

    2000 Allston Way Apt 306, Berkeley, CA 94704

    • Licensed: California Licensed Contractor (B, C36, C42) · #1044243 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 253-9673

  • L.J. Kruse Company

    920 Pardee St, Berkeley, CA 94710

    • Licensed: California Licensed Contractor (C-4, C16, C20, C36, C42) · #405523 (California Contractors State License Board, verify)

    From their website: Inspection Per state license: Installation

    (510) 726-7370 ljkruse.com

  • Pelican Plumbers

    1881 Alcatraz Avenue, Berkeley, CA 94703

    • Licensed: California Licensed Contractor (C36, C42) · #872437 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 338-3225 pelicanplumbers.com

  • Sims J L Plumbing Contractors

    2161 Shattuck Ave #232, Berkeley, CA 94704

    • Licensed: California Licensed Contractor (C36, C42) · #369874 (California Contractors State License Board, verify)

    Per state license: Installation

    (916) 670-4778

Castro Valley 4

  • Aaa Plumbing & Remodeling Inc

    4061 E Castro Valley Blvd #202, Castro Valley, CA 94552

    • Licensed: California Licensed Contractor (A, B, C36, C42) · #1052769 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 737-2376

  • Bonetti Frank Plumbing Inc

    20878 Rutledge Road, Castro Valley, CA 94546

    • Licensed: California Licensed Contractor (C-4, C20, C34, C36, C42) · #251165 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 582-0934

  • Owen

    6098 Slopeview Court, Castro Valley, CA 94552

    • Licensed: California Licensed Contractor (A, B, C42) · #395410 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 583-0984

  • Streamline Plumbing & Drain Co

    20885 Redwood Road 406, Castro Valley, CA 94546

    • Licensed: California Licensed Contractor (A, C36, C42) · #672250 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 481-0380

San Lorenzo 4

  • Michael Gardner Plumbing

    16038 Via Nueva, San Lorenzo, CA 94580

    • Licensed: California Licensed Contractor (C36, C42) · #1087221 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 427-6710 brand.page

  • Nexgen Rooter And Plumbing Inc

    P O Box 669, San Lorenzo, CA 94580

    • Licensed: California Licensed Contractor (C36, C42) · #1083613 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 876-3549 nexgenrooter.com

  • Star Rooter & Plumbing

    P O Box 490, San Lorenzo, CA 94580

    • Licensed: California Licensed Contractor (C36, C42) · #845187 (California Contractors State License Board, verify)
    • Licensed: California Licensed Contractor (C36, C42) · #884481 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 481-1555

  • Tap - Tite Company

    748 Via Pacheco, San Lorenzo, CA 94580

    • Licensed: California Licensed Contractor (C42) · #786502 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 524-9694

Fremont 3

  • Precision Plumbing

    3897 Union St, Fremont, CA 94538

    • Licensed: California Licensed Contractor (C36, C42) · #917303 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 943-2618 precisionplumbingfremont.com

  • Service Rescue Inc

    4231 Business Center Dr #12, Fremont, CA 94538

    • Licensed: California Licensed Contractor (C20, C36, C42) · #1082095 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 257-1400

  • Tarc Construction Inc

    3240 Darby Common, Fremont, CA 94539

    • Licensed: California Licensed Contractor (A, C12, C34, C42, C51) · #853583 (California Contractors State License Board, verify)

    Per state license: Installation

    (408) 224-2154 tarcinc.com

Union City 3

Livermore 2

  • Advanced Plumbing & Rooter Service

    1452 N Vasco Rd 363, Livermore, CA 94551

    • Licensed: California Licensed Contractor (C36, C42) · #917521 (California Contractors State License Board, verify)

    From their website: Inspection Per state license: Installation

    (925) 383-6100 advancedplumbingandrooter.com

  • Ortiz Plumbing Drain Cleaning

    6430 Preston Ave Ste A, Livermore, CA 94551

    • Licensed: California Licensed Contractor (C36, C42) · #1053855 (California Contractors State License Board, verify)

    Per state license: Installation

    (925) 397-2271

Pleasanton 2

  • Marina Plumbing Company

    440 Boulder Ct Ste 400, Pleasanton, CA 94566

    • Licensed: California Licensed Contractor (B, C16, C36, C42) · #462864 (California Contractors State License Board, verify)

    Per state license: Installation

    (925) 600-8955 marinaplumbing.com

  • Trinity Liquid Waste Services

    4900 Hopyard Rd Suite 100, Pleasanton, CA 94588

    • Licensed: California Licensed Contractor (C42) · #1125983 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 874-6489

Alameda 1

  • Central Plumbing & Sewers

    P O Box 6287, Alameda, CA 94501

    • Licensed: California Licensed Contractor (C36, C42) · #964557 (California Contractors State License Board, verify)

    Per state license: Installation

    (510) 521-1411

Dublin 1

  • Desilva Gates - Ghilotti A Joint Venture

    11555 Dublin Blvd, Dublin, CA 94568

    • Licensed: California Licensed Contractor (A, ASB, C21, HAZ) · #723241 (California Contractors State License Board, verify)
    • Licensed: California Licensed Contractor (A, C-8, C12, C21, C42) · #1125855 (California Contractors State License Board, verify)
    • Licensed: California Licensed Contractor (A, C12, C31) · #704195 (California Contractors State License Board, verify)

    Per state license: Installation

    (925) 361-1533 desilvagates.com

Emeryville 1

  • Tesseract Sanitation Services

    65 Loop 22, Emeryville, CA 94608

    • Licensed: California Licensed Contractor (C42) · #1160218 (California Contractors State License Board, verify)

    Per state license: Installation

    (415) 225-7335

Newark 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 Alameda 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 Alameda County: common questions

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

75 septic companies serve Alameda County, California, and 74 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 Alameda County?

4 of the 75 listings in Alameda 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 Alameda County?

75 listings in Alameda 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.