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Best Licensed Solar Contractors in Brentwood, CA

4 solar companies registered in Brentwood 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 Brentwood. 4 passed license verification. All 4 are listed below. Our methodology

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  1. 1.Calpro Solar

    ✓ CSLB License #549715 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1988
    Phone
    (925) 420-1006

  2. 2.Synergy 768 Electric LLC

    ✓ CSLB License #994847 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2014
    Phone
    (925) 308-9177

  3. 3.Solar Harmonics Inc.

    ✓ CSLB License #1040134 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2018
    Phone
    (925) 756-6944

  4. 4.Clover Solar

    ✓ CSLB License #1151528 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2026
    Phone
    (845) 596-4562

Compare the top 4 at a glance

CompanyLicenseWorkers' compLicensed since
Calpro Solar#549715On file1988
Synergy 768 Electric LLC#994847On file2014
Solar Harmonics Inc.#1040134On file2018
Clover Solar#1151528Exempt or none on file2026

Contra Costa County solar licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 45 active C-46 solar licenses in Contra Costa County, 5 of them registered in Brentwood. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Brentwood license has been held 8 years, and the longest-standing one dates to 1988. 3 of Brentwood's 5 licenses (60.0%) 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: 45 of the county's 45 licenses carry the same $25,000 bond California sets by statute. 4 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 Brentwood: common questions

How many licensed solar contractors are there in Brentwood?

5 active C-46 solar licenses are registered in Brentwood, out of 45 across Contra Costa County. 4 Brentwood-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 solar contractors?

Yes. California licenses contractors by classification, and C-46 is the CSLB classification that authorises this work. 5 active C-46 solar licenses are registered in Brentwood and 45 across Contra Costa County, the longest-standing issued in 1988. 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 3 of Brentwood's 5 currently carry. 4 Contra Costa County licenses expire within 90 days.

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