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Best Licensed Septic Contractors in Campbell, CA

3 septic companies registered in Campbell hold current CSLB licenses, verified against official records as of August 17, 2026. All 3 are listed below, ordered by workers' compensation cover and years licensed.

How we chose: We identified 3 companies registered in Campbell. 3 passed license verification. All 3 are listed below. 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.California Plus Engineering Inc.

    ✓ CSLB License #576785 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1989
    Phone
    (408) 821-7168

  2. 2.Joe Kocher Plumbing Inc.

    ✓ CSLB License #735465 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1997
    Phone
    (408) 378-8860

  3. 3.Amaro Corp

    ✓ CSLB License #926496 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2008
    Phone
    (408) 674-1779

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
California Plus Engineering Inc.#576785On file1989
Joe Kocher Plumbing Inc.#735465On file1997
Amaro Corp#926496Exempt or none on file2008

Santa Clara County septic licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 33 active C-42 sanitation system licenses in Santa Clara County, 3 of them registered in Campbell. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Campbell license has been held 29 years, and the longest-standing one dates to 1989. 2 of Campbell's 3 licenses (66.7%) 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: 33 of the county's 33 licenses carry the same $25,000 bond California sets by statute. 2 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 Campbell: common questions

How many licensed septic contractors are there in Campbell?

3 active C-42 sanitation system licenses are registered in Campbell, out of 33 across Santa Clara County. 3 Campbell-registered companies passed our license verification, and all 3 are listed on this page. 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. 3 active C-42 sanitation system licenses are registered in Campbell and 33 across Santa Clara County, the longest-standing issued in 1989. 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 2 of Campbell's 3 currently carry. 2 Santa Clara County licenses expire within 90 days.

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