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Best Licensed Low Voltage Contractors in Rancho Cordova, CA

23 low voltage companies registered in Rancho Cordova 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 23 companies registered in Rancho Cordova. 23 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.Sacramento Control Systems Inc.

    ✓ CSLB License #408126 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1981
    Phone
    (916) 638-0788

  2. 2.R & B Electronics - Electrical Contracting

    ✓ CSLB License #416279 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1981
    Phone
    (916) 709-9766

  3. 3.Industrial Electronic Systems Inc.

    ✓ CSLB License #443097 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1983
    Phone
    (916) 638-1000

  4. 4.Engineered Monitoring Systems

    ✓ CSLB License #460623 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1984
    Phone
    (916) 638-0700

  5. 5.Garrahan Electric Inc.

    ✓ CSLB License #650844 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1992
    Phone
    (916) 638-3798

  6. 6.3d Technology Services Inc.

    ✓ CSLB License #757157 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1998
    Phone
    (916) 859-9111

  7. 7.Comcept Technologies Inc.

    ✓ CSLB License #847546 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2004
    Phone
    (916) 635-6755

  8. 8.Core-built Construction

    ✓ CSLB License #867775 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2005
    Phone
    (916) 984-0482

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Sacramento Control Systems Inc.#408126On file1981
R & B Electronics - Electrical Contracting#416279On file1981
Industrial Electronic Systems Inc.#443097On file1983
Engineered Monitoring Systems#460623On file1984
Garrahan Electric Inc.#650844On file1992
3d Technology Services Inc.#757157On file1998

Sacramento 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: 194 active C-7 low voltage systems licenses in Sacramento County, 24 of them registered in Rancho Cordova. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Rancho Cordova license has been held 19 years, and the longest-standing one dates to 1979. 15 of Rancho Cordova's 24 licenses (62.5%) 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: 194 of the county's 194 licenses carry the same $25,000 bond California sets by statute. 15 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 Rancho Cordova: common questions

How many licensed low voltage contractors are there in Rancho Cordova?

24 active C-7 low voltage systems licenses are registered in Rancho Cordova, out of 194 across Sacramento County. 23 Rancho Cordova-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. 24 active C-7 low voltage systems licenses are registered in Rancho Cordova and 194 across Sacramento County, the longest-standing issued in 1979. 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 15 of Rancho Cordova's 24 currently carry. 15 Sacramento County licenses expire within 90 days.

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