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Best Licensed Septic Contractors in Tracy, CA

3 septic companies registered in Tracy 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 Tracy. 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.Oakland Trenchless & Rooter

    ✓ CSLB License #810801 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2002
    Phone
    (510) 867-0756

  2. 2.Trippple Threat Plumbing LLC

    ✓ CSLB License #1049358 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2019
    Phone
    (510) 552-7714

  3. 3.Sierra Construction & Septic

    ✓ CSLB License #839545 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2004
    Phone
    (209) 298-3069

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
Oakland Trenchless & Rooter#810801On file2002
Trippple Threat Plumbing LLC#1049358On file2019
Sierra Construction & Septic#839545Exempt or none on file2004

San Joaquin County septic licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 9 active C-42 sanitation system licenses in San Joaquin County, 3 of them registered in Tracy. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Tracy license has been held 22 years, and the longest-standing one dates to 2002. 2 of Tracy'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: 9 of the county's 9 licenses carry the same $25,000 bond California sets by statute. 1 county license reaches its 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 Tracy: common questions

How many licensed septic contractors are there in Tracy?

3 active C-42 sanitation system licenses are registered in Tracy, out of 9 across San Joaquin County. 3 Tracy-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 Tracy and 9 across San Joaquin County, the longest-standing issued in 2002. 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 Tracy's 3 currently carry. 1 San Joaquin County license expires within 90 days.

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