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Best Licensed Solar Contractors in San Marcos, CA

3 solar companies registered in San Marcos 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 San Marcos. 3 passed license verification. All 3 are listed below. Our methodology

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  1. 1.Douglas Miller Construction

    ✓ CSLB License #773646 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2000
    Phone
    (805) 588-0076

  2. 2.Precision Solar Inc.

    ✓ CSLB License #921105 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2008
    Phone
    (760) 884-6106

  3. 3.All Merchant Services Group Inc. DBA Infinite Technologies

    ✓ CSLB License #1026676 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2017
    Phone
    (760) 798-3900

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
Douglas Miller Construction#773646Exempt or none on file2000
Precision Solar Inc.#921105Exempt or none on file2008
All Merchant Services Group Inc. DBA Infinite Technologies#1026676Exempt or none on file2017

San Diego County solar licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 130 active C-46 solar licenses in San Diego County, 3 of them registered in San Marcos. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median San Marcos license has been held 18 years, and the longest-standing one dates to 2000. 0 of San Marcos's 3 licenses (0.0%) 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: 130 of the county's 130 licenses carry the same $25,000 bond California sets by statute. 14 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 San Marcos: common questions

How many licensed solar contractors are there in San Marcos?

3 active C-46 solar licenses are registered in San Marcos, out of 130 across San Diego County. 3 San Marcos-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 San Marcos and 130 across San Diego County, the longest-standing issued in 2000. 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 0 of San Marcos's 3 currently carry. 14 San Diego County licenses expire within 90 days.

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