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Best Licensed Glass & Glazing Contractors in Livermore, CA

15 glass companies registered in Livermore hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by workers' compensation cover and years licensed.

How we chose: We identified 15 companies registered in Livermore. 15 passed license verification. The 8 below are the top-ranked of those. 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.Architectural Glass & Aluminum Co Inc.

    ✓ CSLB License #313758 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1975
    Phone
    (510) 444-6100

  2. 2.Jim's Glass

    ✓ CSLB License #687324 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1994
    Phone
    (925) 455-1235

  3. 3.Westpac Glass

    ✓ CSLB License #714776 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1995
    Phone
    (925) 371-9900

  4. 4.Livermore Glass Company

    ✓ CSLB License #720456 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1996
    Phone
    (925) 447-6411

  5. 5.Premium Glass Co Inc.

    ✓ CSLB License #852399 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2005
    Phone
    (925) 243-1202

  6. 6.Homesite Services Inc. A California Corporation

    ✓ CSLB License #854523 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2005
    Phone
    (925) 237-3050

  7. 7.U S G A Inc.

    ✓ CSLB License #883104 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2006
    Phone
    (925) 427-7201

  8. 8.Maxx Window Works

    ✓ CSLB License #921271 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2008
    Phone
    (559) 392-3560

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Architectural Glass & Aluminum Co Inc.#313758On file1975
Jim's Glass#687324On file1994
Westpac Glass#714776On file1995
Livermore Glass Company#720456On file1996
Premium Glass Co Inc.#852399On file2005
Homesite Services Inc. A California Corporation#854523On file2005

Alameda County glazing 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-17 glazing licenses in Alameda County, 17 of them registered in Livermore. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Livermore license has been held 18 years, and the longest-standing one dates to 1975. 13 of Livermore's 17 licenses (76.5%) carry current workers' compensation cover in CSLB's file. That is employee injury cover, not liability insurance, and a blank usually means an owner-operator with no employees - lawful, and not a mark against anyone. 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. 13 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.

Glass & Glazing Contractors in Livermore: common questions

How many licensed glass and glazing contractors are there in Livermore?

17 active C-17 glazing licenses are registered in Livermore, out of 133 across Alameda County. 15 Livermore-registered companies passed our license verification, and the 8 on this page are the top-ranked of those. Only licenses CSLB shows as CLEAR and unexpired are listed.

Does California license glass and glazing contractors?

Yes. California licenses contractors by classification, and C-17 is the CSLB classification that authorises this work. 17 active C-17 glazing licenses are registered in Livermore and 133 across Alameda County, the longest-standing issued in 1975. Only CLEAR, unexpired licenses appear here.

How do I check a glazing 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 13 of Livermore's 17 currently carry. 13 Alameda County licenses expire within 90 days.

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