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Best Licensed Septic Contractors in Madera, CA

3 septic companies registered in Madera 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 Madera. 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.Tim Bass Construction

    ✓ CSLB License #639685 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1992
    Phone
    (559) 673-4581

  2. 2.Hefner's Inc.

    ✓ CSLB License #1029822 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2017
    Phone
    (559) 706-0011

  3. 3.Oasis Fg Drilling

    ✓ CSLB License #1050808 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2019
    Phone
    (559) 232-5058

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
Tim Bass Construction#639685On file1992
Hefner's Inc.#1029822Exempt or none on file2017
Oasis Fg Drilling#1050808Exempt or none on file2019

Madera County septic licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 12 active C-42 sanitation system licenses in Madera County, 4 of them registered in Madera. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Madera license has been held 9 years, and the longest-standing one dates to 1992. 2 of Madera's 4 licenses (50.0%) 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: 12 of the county's 12 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 Madera: common questions

How many licensed septic contractors are there in Madera?

4 active C-42 sanitation system licenses are registered in Madera, out of 12 across Madera County. 3 Madera-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. 4 active C-42 sanitation system licenses are registered in Madera and 12 across Madera County, the longest-standing issued in 1992. 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 Madera's 4 currently carry. 1 Madera County license expires within 90 days.

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