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Best Licensed Solar Contractors in Ukiah, CA

3 solar companies registered in Ukiah 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 Ukiah. 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.A C & R Service Heating & Cooling Inc.

    ✓ CSLB License #471898 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1985
    Phone
    (707) 462-2021

  2. 2.Radiant Solar Technology Inc.

    ✓ CSLB License #1007610 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2015
    Phone
    (707) 485-8359

  3. 3.Blue Sky Solar

    ✓ CSLB License #1019484 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2016
    Phone
    (707) 621-2499

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
A C & R Service Heating & Cooling Inc.#471898On file1985
Radiant Solar Technology Inc.#1007610On file2015
Blue Sky Solar#1019484Exempt or none on file2016

Mendocino County solar licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 11 active C-46 solar licenses in Mendocino County, 3 of them registered in Ukiah. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Ukiah license has been held 10 years, and the longest-standing one dates to 1985. 2 of Ukiah'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: 11 of the county's 11 licenses carry the same $25,000 bond California sets by statute. 3 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.

Solar Contractors in Ukiah: common questions

How many licensed solar contractors are there in Ukiah?

3 active C-46 solar licenses are registered in Ukiah, out of 11 across Mendocino County. 3 Ukiah-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 solar contractors?

Yes. California licenses contractors by classification, and C-46 is the CSLB classification that authorises this work. 3 active C-46 solar licenses are registered in Ukiah and 11 across Mendocino County, the longest-standing issued in 1985. Only CLEAR, unexpired licenses appear here.

How do I check a solar 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 Ukiah's 3 currently carry. 3 Mendocino County licenses expire within 90 days.

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