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Best Licensed Septic Contractors in Woodland, CA

4 septic companies registered in Woodland hold current CSLB licenses, verified against official records as of August 17, 2026. All 4 are listed below, ordered by workers' compensation cover and years licensed.

How we chose: We identified 4 companies registered in Woodland. 4 passed license verification. All 4 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.Cal West Concrete Inc.

    ✓ CSLB License #893450 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2007
    Phone
    (530) 383-1169

  2. 2.F & R Soil Testing

    ✓ CSLB License #952671 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2010
    Phone
    (707) 363-2306

  3. 3.Ramco Paving & Grading

    ✓ CSLB License #978035 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2012
    Phone
    (530) 392-1009

  4. 4.Aro Wastewater Systems

    ✓ CSLB License #1151368 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2026
    Phone
    (707) 299-7600

Compare the top 4 at a glance

CompanyLicenseWorkers' compLicensed since
Cal West Concrete Inc.#893450On file2007
F & R Soil Testing#952671Exempt or none on file2010
Ramco Paving & Grading#978035Exempt or none on file2012
Aro Wastewater Systems#1151368Exempt or none on file2026

Yolo County septic licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 5 active C-42 sanitation system licenses in Yolo County, 4 of them registered in Woodland. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Woodland license has been held 13 years, and the longest-standing one dates to 2007. 1 of Woodland's 4 licenses (25.0%) carries 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: 5 of the county's 5 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 Woodland: common questions

How many licensed septic contractors are there in Woodland?

4 active C-42 sanitation system licenses are registered in Woodland, out of 5 across Yolo County. 4 Woodland-registered companies passed our license verification, and all 4 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 Woodland and 5 across Yolo County, the longest-standing issued in 2007. 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 1 of Woodland's 4 currently carry. 2 Yolo County licenses expire within 90 days.

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