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Best Licensed Low Voltage Contractors in Petaluma, CA

10 low voltage companies registered in Petaluma 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 10 companies registered in Petaluma. 10 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.L-n-r Security

    ✓ CSLB License #628137 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1991
    Phone
    (707) 778-3700

  2. 2.H D Designs Inc.

    ✓ CSLB License #754843 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1998
    Phone
    (707) 542-8450

  3. 3.Adobe Telcom Inc.

    ✓ CSLB License #761289 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1999
    Phone
    (707) 778-7908

  4. 4.Field Electric

    ✓ CSLB License #833171 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2004
    Phone
    (707) 769-9525

  5. 5.Beck Communications Inc.

    ✓ CSLB License #859232 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2005
    Phone
    (707) 762-2002

  6. 6.Mark Latimer & Associates Inc. DBA Coda Technology Group

    ✓ CSLB License #935420 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2009
    Phone
    (707) 795-3522

  7. 7.Advanced Alternative Energy Solutions Inc.

    ✓ CSLB License #1107943 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2023
    Phone
    (707) 789-9537

  8. 8.Integrated Solutions

    ✓ CSLB License #1159326 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2026
    Phone
    (833) 739-6814

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
L-n-r Security#628137On file1991
H D Designs Inc.#754843On file1998
Adobe Telcom Inc.#761289On file1999
Field Electric#833171On file2004
Beck Communications Inc.#859232On file2005
Mark Latimer & Associates Inc. DBA Coda Technology Group#935420On file2009

Sonoma 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: 58 active C-7 low voltage systems licenses in Sonoma County, 10 of them registered in Petaluma. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Petaluma license has been held 21 years, and the longest-standing one dates to 1991. 8 of Petaluma's 10 licenses (80.0%) 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: 58 of the county's 58 licenses carry the same $25,000 bond California sets by statute. 3 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 Petaluma: common questions

How many licensed low voltage contractors are there in Petaluma?

10 active C-7 low voltage systems licenses are registered in Petaluma, out of 58 across Sonoma County. 10 Petaluma-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. 10 active C-7 low voltage systems licenses are registered in Petaluma and 58 across Sonoma County, the longest-standing issued in 1991. 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 8 of Petaluma's 10 currently carry. 3 Sonoma County licenses expire within 90 days.

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