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Best Licensed Septic Contractors in Vacaville, CA

3 septic companies registered in Vacaville 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 Vacaville. 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.Amos & Sons Inc. DBA Aaron Plumbing

    ✓ CSLB License #352544 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1978
    Phone
    (707) 678-3333

  2. 2.Frank's Septic Service Inc.

    ✓ CSLB License #563728 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1989
    Phone
    (707) 678-4041

  3. 3.Delatorre Septic And Trucking LLC

    ✓ CSLB License #1070098 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2020
    Phone
    (707) 449-4378

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
Amos & Sons Inc. DBA Aaron Plumbing#352544On file1978
Frank's Septic Service Inc.#563728On file1989
Delatorre Septic And Trucking LLC#1070098On file2020

Solano County septic licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 10 active C-42 sanitation system licenses in Solano County, 3 of them registered in Vacaville. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Vacaville license has been held 37 years, and the longest-standing one dates to 1978. 3 of Vacaville's 3 licenses (100.0%) 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: 10 of the county's 10 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 Vacaville: common questions

How many licensed septic contractors are there in Vacaville?

3 active C-42 sanitation system licenses are registered in Vacaville, out of 10 across Solano County. 3 Vacaville-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 Vacaville and 10 across Solano County, the longest-standing issued in 1978. 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 Vacaville's 3 currently carry. 2 Solano County licenses expire within 90 days.

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