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Best Licensed Insulation Contractors in Milpitas, CA

3 insulation companies registered in Milpitas 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 Milpitas. 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.Custom Drywall Inc.

    ✓ CSLB License #263495 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1970
    Phone
    (408) 263-1616

  2. 2.Blue's Roofing Co

    ✓ CSLB License #335210 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1977
    Phone
    (408) 240-0680

  3. 3.Atticali Ecoshield

    ✓ CSLB License #1149346 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2026
    Phone
    (408) 664-9888

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
Custom Drywall Inc.#263495On file1970
Blue's Roofing Co#335210On file1977
Atticali Ecoshield#1149346On file2026

Santa Clara County insulation licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 51 active C-2 insulation and acoustical licenses in Santa Clara County, 3 of them registered in Milpitas. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Milpitas license has been held 49 years, and the longest-standing one dates to 1970. 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 Milpitas's 3 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: 51 of the county's 51 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 Milpitas: common questions

How many licensed insulation contractors are there in Milpitas?

3 active C-2 insulation and acoustical licenses are registered in Milpitas, out of 51 across Santa Clara County. 3 Milpitas-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 Milpitas and 51 across Santa Clara County, the longest-standing issued in 1970. 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 Milpitas's 3 currently carry. 1 Santa Clara County license expires within 90 days.

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