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Best Licensed Low Voltage Contractors in San Diego, CA

132 low voltage companies registered in San Diego 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 132 companies registered in San Diego. 132 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.Jackson & Blanc

    ✓ CSLB License #188961 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1960
    Phone
    (858) 831-7900

  2. 2.Alarms Unlimited Incorporated

    ✓ CSLB License #411233 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1981
    Phone
    (619) 297-4500

  3. 3.Calif Security & Video Systems

    ✓ CSLB License #427088 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1982
    Phone
    (619) 840-7332

  4. 4.Hy-lang Electric California Inc.

    ✓ CSLB License #479896 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1985
    Phone
    (858) 549-8568

  5. 5.America's Finest Sound

    ✓ CSLB License #491956 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1986
    Phone
    (619) 654-3116

  6. 6.Datalink Solutions Inc.

    ✓ CSLB License #497228 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1986
    Phone
    (858) 450-3144

  7. 7.Laser Electric Inc.

    ✓ CSLB License #513888 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1987
    Phone
    (760) 658-6626

  8. 8.Sound Ideas Inc.

    ✓ CSLB License #520572 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1987
    Phone
    (858) 578-4380

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Jackson & Blanc#188961On file1960
Alarms Unlimited Incorporated#411233On file1981
Calif Security & Video Systems#427088On file1982
Hy-lang Electric California Inc.#479896On file1985
America's Finest Sound#491956On file1986
Datalink Solutions Inc.#497228On file1986

San Diego 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: 352 active C-7 low voltage systems licenses in San Diego County, 133 of them registered in San Diego. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median San Diego license has been held 16 years, and the longest-standing one dates to 1960. 86 of San Diego's 133 licenses (64.7%) 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: 352 of the county's 352 licenses carry the same $25,000 bond California sets by statute. 34 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 San Diego: common questions

How many licensed low voltage contractors are there in San Diego?

133 active C-7 low voltage systems licenses are registered in San Diego, out of 352 across San Diego County. 132 San Diego-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. 133 active C-7 low voltage systems licenses are registered in San Diego and 352 across San Diego County, the longest-standing issued in 1960. 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 86 of San Diego's 133 currently carry. 34 San Diego County licenses expire within 90 days.

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