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Best Licensed Low Voltage Contractors in Sonoma, CA

3 low voltage companies registered in Sonoma 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 Sonoma. 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.In Tune Low Voltage Landscape Lighting

    ✓ CSLB License #876039 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2006
    Phone
    (707) 322-1117

  2. 2.Shade Shop

    ✓ CSLB License #945225 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2010
    Phone
    (877) 415-4158

  3. 3.Granko Av

    ✓ CSLB License #1051441 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2019
    Phone
    (707) 291-5516

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
In Tune Low Voltage Landscape Lighting#876039Exempt or none on file2006
Shade Shop#945225Exempt or none on file2010
Granko Av#1051441Expired on file2019

Sonoma County low voltage licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 58 active C-7 low voltage systems licenses in Sonoma County, 3 of them registered in Sonoma. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Sonoma license has been held 16 years, and the longest-standing one dates to 2006. 0 of Sonoma'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: 58 of the county's 58 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.

Low Voltage Contractors in Sonoma: common questions

How many licensed low voltage contractors are there in Sonoma?

3 active C-7 low voltage systems licenses are registered in Sonoma, out of 58 across Sonoma County. 3 Sonoma-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 low voltage contractors?

Yes. California licenses contractors by classification, and C-7 is the CSLB classification that authorises this work. 3 active C-7 low voltage systems licenses are registered in Sonoma and 58 across Sonoma County, the longest-standing issued in 2006. Only CLEAR, unexpired licenses appear here.

How do I check a low voltage 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 Sonoma's 3 currently carry. 3 Sonoma County licenses expire within 90 days.

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