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Best Licensed Insulation Contractors in Rocklin, CA

4 insulation companies registered in Rocklin hold current CSLB licenses, verified against official records as of August 17, 2026. All 4 are listed below, ordered by years licensed.

How we chose: We identified 4 companies registered in Rocklin. 4 passed license verification. All 4 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.Pat Baird Acoustics Inc.

    ✓ CSLB License #731213 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1997
    Phone
    (916) 408-6522

  2. 2.Gs Williams Inc. DBA Sound Solution Group

    ✓ CSLB License #837506 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2004
    Phone
    (877) 799-2644

  3. 3.Insulation Solutions

    ✓ CSLB License #920558 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2008
    Phone
    (530) 274-1343

  4. 4.Brower Mechanical Ca LLC

    ✓ CSLB License #1081055 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2021
    Phone
    (916) 624-0808

Compare the top 4 at a glance

CompanyLicenseWorkers' compLicensed since
Pat Baird Acoustics Inc.#731213On file1997
Gs Williams Inc. DBA Sound Solution Group#837506On file2004
Insulation Solutions#920558On file2008
Brower Mechanical Ca LLC#1081055On file2021

Placer County insulation licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 15 active C-2 insulation and acoustical licenses in Placer County, 4 of them registered in Rocklin. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Rocklin license has been held 18 years, and the longest-standing one dates to 1997. California law requires workers' compensation cover for C-2 licensees, so it is a legal baseline rather than a way to tell two contractors apart: 4 of Rocklin's 4 licenses (100.0%) carry a current policy in CSLB's file, and we do not rank on it. The contractor bond is not a signal here: 15 of the county's 15 licenses carry the same $25,000 bond California sets by statute. 0 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.

Insulation Contractors in Rocklin: common questions

How many licensed insulation contractors are there in Rocklin?

4 active C-2 insulation and acoustical licenses are registered in Rocklin, out of 15 across Placer County. 4 Rocklin-registered companies passed our license verification, and all 4 are listed on this page. Only licenses CSLB shows as CLEAR and unexpired are listed.

Does California license insulation contractors?

Yes. California licenses contractors by classification, and C-2 is the CSLB classification that authorises this work. 4 active C-2 insulation and acoustical licenses are registered in Rocklin and 15 across Placer County, the longest-standing issued in 1997. Only CLEAR, unexpired licenses appear here.

How do I check an insulation 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 California requires of C-2 licensees and 4 of Rocklin's 4 currently carry. 0 Placer County licenses expire within 90 days.

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