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Best Licensed Low Voltage Contractors in Pacifica, CA

3 low voltage companies registered in Pacifica hold current CSLB licenses, verified against official records as of August 17, 2026. All 3 are listed below, ordered by workers' compensation cover and years licensed.

How we chose: We identified 3 companies registered in Pacifica. 3 passed license verification. All 3 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. 1.Rod Muscio Electrical Contractor

    ✓ CSLB License #309056 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1975
    Phone
    (650) 359-5360

  2. 2.Cal - Pacific Construction Inc.

    ✓ CSLB License #830908 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2004
    Phone
    (650) 557-1238

  3. 3.D-4 Communication LLC

    ✓ CSLB License #1159062 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2026
    Phone
    (415) 629-9530

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
Rod Muscio Electrical Contractor#309056On file1975
Cal - Pacific Construction Inc.#830908On file2004
D-4 Communication LLC#1159062On file2026

San Mateo 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: 75 active C-7 low voltage systems licenses in San Mateo County, 3 of them registered in Pacifica. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Pacifica license has been held 22 years, and the longest-standing one dates to 1975. 3 of Pacifica's 3 licenses (100.0%) 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: 74 of the county's 75 licenses carry the same $25,000 bond California sets by statute. 10 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 Pacifica: common questions

How many licensed low voltage contractors are there in Pacifica?

3 active C-7 low voltage systems licenses are registered in Pacifica, out of 75 across San Mateo County. 3 Pacifica-registered companies passed our license verification, and all 3 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. 3 active C-7 low voltage systems licenses are registered in Pacifica and 75 across San Mateo County, the longest-standing issued in 1975. 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 3 of Pacifica's 3 currently carry. 10 San Mateo County licenses expire within 90 days.

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