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Best Licensed Septic Contractors in Hayward, CA

10 septic companies registered in Hayward hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.

How we chose: We identified 10 companies registered in Hayward. 10 passed license verification. The 8 below are the top-ranked of those. Our methodology

We earn a fee when you call businesses through numbers on this site. This never affects who is listed or how they rank.

  1. 1.Monarch Plumbing And Rooter Inc.

    ✓ CSLB License #1014475 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2016
    Phone
    (510) 398-8478

  2. 2.Excalibur Rooter And Plumbing Inc.

    ✓ CSLB License #1072119 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2020
    Phone
    (510) 688-8414

  3. 3.Plumbing Prodigy

    ✓ CSLB License #1108004 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2023
    Phone
    (510) 250-3454

  4. 4.A-1 Septic Tank Service Inc.

    ✓ CSLB License #438710 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1983
    Phone
    (510) 886-4455

  5. 5.Chico Trenchless Co

    ✓ CSLB License #817696 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2003
    Phone
    (510) 415-5824

  6. 6.J Carrillo Plumbing And Drains

    ✓ CSLB License #938525 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2009
    Phone
    (510) 688-2597

  7. 7.Aqua Stat Plumbing Inc.

    ✓ CSLB License #1042922 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2018
    Phone
    (510) 755-7437

  8. 8.Hayward Plumbing & Rooter

    ✓ CSLB License #1083284 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2021
    Phone
    (510) 566-8143

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Monarch Plumbing And Rooter Inc.#1014475On file2016
Excalibur Rooter And Plumbing Inc.#1072119On file2020
Plumbing Prodigy#1108004On file2023
A-1 Septic Tank Service Inc.#438710Exempt or none on file1983
Chico Trenchless Co#817696Exempt or none on file2003
J Carrillo Plumbing And Drains#938525Exempt or none on file2009

Alameda County septic licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 71 active C-42 sanitation system licenses in Alameda County, 10 of them registered in Hayward. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Hayward license has been held 5 years, and the longest-standing one dates to 1983. 3 of Hayward's 10 licenses (30.0%) carry current workers' compensation cover in CSLB's file. That is employee injury cover, not liability insurance, and a blank usually means an owner-operator with no employees - lawful, and not a mark against anyone. The contractor bond is not a signal here: 71 of the county's 71 licenses carry the same $25,000 bond California sets by statute. 11 county licenses reach their expiration date within the next 90 days. CSLB cannot link straight to a license record, so every listing above shows its number for you to type into CSLB's license lookup. How we verify.

Septic Contractors in Hayward: common questions

How many licensed septic contractors are there in Hayward?

10 active C-42 sanitation system licenses are registered in Hayward, out of 71 across Alameda County. 10 Hayward-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses CSLB shows as CLEAR and unexpired are listed.

Does California license septic contractors?

Yes. California licenses contractors by classification, and C-42 is the CSLB classification that authorises this work. 10 active C-42 sanitation system licenses are registered in Hayward and 71 across Alameda County, the longest-standing issued in 1983. Only CLEAR, unexpired licenses appear here.

How do I check a septic contractor's license in California?

Every listing above shows its CSLB license number. CSLB cannot link straight to a record, so open its license lookup and type the number in: it shows status, expiration, the contractor bond and workers' compensation cover, which 3 of Hayward's 10 currently carry. 11 Alameda County licenses expire within 90 days.

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