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Best Licensed Insulation Contractors in Ventura, CA

4 insulation companies registered in Ventura 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 Ventura. 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.Precision Environmental

    ✓ CSLB License #480595 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1985
    Phone
    (800) 375-7786

  2. 2.Tech-wall Of Ventura Inc.

    ✓ CSLB License #599057 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1990
    Phone
    (805) 642-7600

  3. 3.J L Marine Construction

    ✓ CSLB License #949899 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2010
    Phone
    (805) 302-6802

  4. 4.Gc Custom Wallcoverings Inc.

    ✓ CSLB License #1052301 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2019
    Phone
    (805) 509-0887

Compare the top 4 at a glance

CompanyLicenseWorkers' compLicensed since
Precision Environmental#480595On file1985
Tech-wall Of Ventura Inc.#599057On file1990
J L Marine Construction#949899On file2010
Gc Custom Wallcoverings Inc.#1052301On file2019

Ventura County insulation licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 22 active C-2 insulation and acoustical licenses in Ventura County, 4 of them registered in Ventura. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Ventura license has been held 16 years, and the longest-standing one dates to 1985. 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 Ventura'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: 22 of the county's 22 licenses carry the same $25,000 bond California sets by statute. 2 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 Ventura: common questions

How many licensed insulation contractors are there in Ventura?

4 active C-2 insulation and acoustical licenses are registered in Ventura, out of 22 across Ventura County. 4 Ventura-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 Ventura and 22 across Ventura County, the longest-standing issued in 1985. 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 Ventura's 4 currently carry. 2 Ventura County licenses expire within 90 days.

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