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Best Licensed Low Voltage Contractors in San Dimas, CA

13 low voltage companies registered in San Dimas 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 13 companies registered in San Dimas. 13 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.Sea West Enterprises Inc.

    ✓ CSLB License #486074 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1986
    Phone
    (909) 592-7120

  2. 2.Athena Engineering Inc.

    ✓ CSLB License #523044 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1988
    Phone
    (909) 971-8440

  3. 3.S P S Data Communications Inc.

    ✓ CSLB License #689497 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1994
    Phone
    (626) 966-6812

  4. 4.Nelson Sound Inc.

    ✓ CSLB License #734664 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1997
    Phone
    (626) 722-0200

  5. 5.A S I Networks Inc.

    ✓ CSLB License #868554 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2005
    Phone
    (909) 869-6160

  6. 6.Avcom Systems Inc.

    ✓ CSLB License #961901 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2011
    Phone
    (626) 310-7433

  7. 7.Dynamic Control Systems Inc.

    ✓ CSLB License #1076006 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2021
    Phone
    (888) 666-0629

  8. 8.D J L Audio Video Specialists Inc.

    ✓ CSLB License #783215 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2000
    Phone
    (909) 599-2669

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Sea West Enterprises Inc.#486074On file1986
Athena Engineering Inc.#523044On file1988
S P S Data Communications Inc.#689497On file1994
Nelson Sound Inc.#734664On file1997
A S I Networks Inc.#868554On file2005
Avcom Systems Inc.#961901On file2011

Los Angeles 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: 989 active C-7 low voltage systems licenses in Los Angeles County, 13 of them registered in San Dimas. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median San Dimas license has been held 20 years, and the longest-standing one dates to 1986. 7 of San Dimas's 13 licenses (53.8%) 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: 987 of the county's 989 licenses carry the same $25,000 bond California sets by statute. 93 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 Dimas: common questions

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

13 active C-7 low voltage systems licenses are registered in San Dimas, out of 989 across Los Angeles County. 13 San Dimas-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. 13 active C-7 low voltage systems licenses are registered in San Dimas and 989 across Los Angeles County, the longest-standing issued in 1986. 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 7 of San Dimas's 13 currently carry. 93 Los Angeles County licenses expire within 90 days.

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