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Best Licensed Insulation Contractors in Whittier, CA

3 insulation companies registered in Whittier hold current CSLB licenses, verified against official records as of August 17, 2026. All 3 are listed below, ordered by years licensed.

How we chose: We identified 3 companies registered in Whittier. 3 passed license verification. All 3 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.Long Beach Acoustics

    ✓ CSLB License #988060 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2013
    Phone
    (626) 484-5964

  2. 2.The O'connor Group

    ✓ CSLB License #992234 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2014
    Phone
    (213) 494-6564

  3. 3.Kiko's Insulation

    ✓ CSLB License #1100167 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2023
    Phone
    (855) 332-2111

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
Long Beach Acoustics#988060Exempt or none on file2013
The O'connor Group#992234Exempt or none on file2014
Kiko's Insulation#1100167Expired on file2023

Los Angeles County insulation licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 133 active C-2 insulation and acoustical licenses in Los Angeles County, 3 of them registered in Whittier. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Whittier license has been held 12 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: 0 of Whittier's 3 licenses (0.0%) carry a current policy in CSLB's file, and we do not rank on it. The contractor bond is not a signal here: 133 of the county's 133 licenses carry the same $25,000 bond California sets by statute. 10 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 Whittier: common questions

How many licensed insulation contractors are there in Whittier?

3 active C-2 insulation and acoustical licenses are registered in Whittier, out of 133 across Los Angeles County. 3 Whittier-registered companies passed our license verification, and all 3 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. 3 active C-2 insulation and acoustical licenses are registered in Whittier and 133 across Los Angeles 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 0 of Whittier's 3 currently carry. 10 Los Angeles County licenses expire within 90 days.

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