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Best Licensed Insulation Contractors in Petaluma, CA

4 insulation companies registered in Petaluma 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 Petaluma. 4 passed license verification. All 4 are listed below. Our methodology

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  1. 1.Wedge Roofing Inc.

    ✓ CSLB License #416737 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1982
    Phone
    (707) 763-5475

  2. 2.Save Energy Co

    ✓ CSLB License #440356 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1983
    Phone
    (707) 347-1900

  3. 3.Gabbert Acoustical Inc.

    ✓ CSLB License #713754 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1995
    Phone
    (707) 773-1613

  4. 4.Ace Insulation Incorporation

    ✓ CSLB License #962891 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2011
    Phone
    (707) 584-8377

Compare the top 4 at a glance

CompanyLicenseWorkers' compLicensed since
Wedge Roofing Inc.#416737Exempt or none on file1982
Save Energy Co#440356On file1983
Gabbert Acoustical Inc.#713754On file1995
Ace Insulation Incorporation#962891On file2011

Sonoma County insulation licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 36 active C-2 insulation and acoustical licenses in Sonoma County, 4 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 30 years, and the longest-standing one dates to 1982. 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: 3 of Petaluma's 4 licenses (75.0%) carry a current policy in CSLB's file, and we do not rank on it. The contractor bond is not a signal here: 36 of the county's 36 licenses carry the same $25,000 bond California sets by statute. 1 county license reaches its 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 Petaluma: common questions

How many licensed insulation contractors are there in Petaluma?

4 active C-2 insulation and acoustical licenses are registered in Petaluma, out of 36 across Sonoma County. 4 Petaluma-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 Petaluma and 36 across Sonoma County, the longest-standing issued in 1982. 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 3 of Petaluma's 4 currently carry. 1 Sonoma County license expires within 90 days.

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