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Best Licensed Low Voltage Contractors in Norco, CA

7 low voltage companies registered in Norco hold current CSLB licenses, verified against official records as of August 17, 2026. All 7 are listed below, ordered by workers' compensation cover and years licensed.

How we chose: We identified 7 companies registered in Norco. 7 passed license verification. All 7 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. Verified
    August 17, 2026
    Licensed since
    1986
    Phone
    (951) 549-8200
  2. Verified
    August 17, 2026
    Licensed since
    2019
    Phone
    (714) 476-4746
  3. Verified
    August 17, 2026
    Licensed since
    1988
    Phone
    (800) 842-7463
  4. Verified
    August 17, 2026
    Licensed since
    2006
    Phone
    (714) 743-8100
  5. Verified
    August 17, 2026
    Licensed since
    2006
    Phone
    (951) 333-0361
  6. Verified
    August 17, 2026
    Licensed since
    2014
    Phone
    (951) 616-9033
  7. Verified
    August 17, 2026
    Licensed since
    2026
    Phone
    (951) 227-8724

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Lakewood Alarm#495756On file1986
L E S I Telecom#1052068On file2019
Southern California Alarm Service#527999Exempt or none on file1988
Eminent Communications Inc.#872912Exempt or none on file2006
Infinite Entertainment#887781Exempt or none on file2006
T W Networx#996045Exempt or none on file2014

Riverside 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: 270 active C-7 low voltage systems licenses in Riverside County, 7 of them registered in Norco. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Norco license has been held 19 years, and the longest-standing one dates to 1986. 2 of Norco's 7 licenses (28.6%) 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: 270 of the county's 270 licenses carry the same $25,000 bond California sets by statute. 30 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 Norco: common questions

How many licensed low voltage contractors are there in Norco?

7 active C-7 low voltage systems licenses are registered in Norco, out of 270 across Riverside County. 7 Norco-registered companies passed our license verification, and all 7 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. 7 active C-7 low voltage systems licenses are registered in Norco and 270 across Riverside 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 2 of Norco's 7 currently carry. 30 Riverside County licenses expire within 90 days.

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