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Best Licensed Low Voltage Contractors in Roseville, CA

31 low voltage companies registered in Roseville hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.

How we chose: We identified 31 companies registered in Roseville. 31 passed license verification. The 8 below are the top-ranked of those. 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.J Smith & Sons Inc.

    ✓ CSLB License #399247 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1981
    Phone
    (916) 924-9141

  2. 2.Is Inc.

    ✓ CSLB License #517541 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1987
    Phone
    (916) 920-1700

  3. 3.Diamond Heating And Air

    ✓ CSLB License #586277 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1990
    Phone
    (916) 740-2663

  4. 4.Quest Media & Supplies Inc.

    ✓ CSLB License #589553 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1990
    Phone
    (916) 338-7070

  5. 5.Vanden Bos Electric Inc.

    ✓ CSLB License #627898 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1991
    Phone
    (916) 773-1500

  6. 6.Team One Networking Inc.

    ✓ CSLB License #775184 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2000
    Phone
    (916) 782-8326

  7. 7.Infinite Communications

    ✓ CSLB License #795293 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2001
    Phone
    (408) 806-9945

  8. 8.Ashby Communications Inc.

    ✓ CSLB License #808770 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2002
    Phone
    (916) 774-0808

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
J Smith & Sons Inc.#399247On file1981
Is Inc.#517541On file1987
Diamond Heating And Air#586277On file1990
Quest Media & Supplies Inc.#589553On file1990
Vanden Bos Electric Inc.#627898On file1991
Team One Networking Inc.#775184On file2000

Placer 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: 88 active C-7 low voltage systems licenses in Placer County, 31 of them registered in Roseville. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Roseville license has been held 13 years, and the longest-standing one dates to 1981. 19 of Roseville's 31 licenses (61.3%) 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: 88 of the county's 88 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.

Low Voltage Contractors in Roseville: common questions

How many licensed low voltage contractors are there in Roseville?

31 active C-7 low voltage systems licenses are registered in Roseville, out of 88 across Placer County. 31 Roseville-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. 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. 31 active C-7 low voltage systems licenses are registered in Roseville and 88 across Placer County, the longest-standing issued in 1981. 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 19 of Roseville's 31 currently carry. 4 Placer County licenses expire within 90 days.

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