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Best Licensed Insulation Contractors in Merced, CA

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

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  1. 1.United Insulation Solutions Inc.

    ✓ CSLB License #989343 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2013
    Phone
    (209) 631-1987

  2. 2.The Russ Corp

    ✓ CSLB License #1025335 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2017
    Phone
    (209) 812-4657

  3. 3.A & A Thermal Insulation & Construction Inc.

    ✓ CSLB License #1057134 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2019
    Phone
    (209) 777-4420

  4. 4.State Pro Builders Inc.

    ✓ CSLB License #1058604 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2019
    Phone
    (209) 631-3136

Compare the top 4 at a glance

CompanyLicenseWorkers' compLicensed since
United Insulation Solutions Inc.#989343On file2013
The Russ Corp#1025335Exempt or none on file2017
A & A Thermal Insulation & Construction Inc.#1057134On file2019
State Pro Builders Inc.#1058604On file2019

Merced County insulation licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 13 active C-2 insulation and acoustical licenses in Merced County, 6 of them registered in Merced. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Merced license has been held 7 years, and the longest-standing one dates to 2013. 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 Merced's 6 licenses (66.7%) carry a current policy in CSLB's file, and we do not rank on it. The contractor bond is not a signal here: 13 of the county's 13 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 Merced: common questions

How many licensed insulation contractors are there in Merced?

6 active C-2 insulation and acoustical licenses are registered in Merced, out of 13 across Merced County. 4 Merced-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. 6 active C-2 insulation and acoustical licenses are registered in Merced and 13 across Merced County, the longest-standing issued in 2013. 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 Merced's 6 currently carry. 1 Merced County license expires within 90 days.

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