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Best Licensed Glass & Glazing Contractors in Pleasanton, CA

8 glass companies registered in Pleasanton hold current CSLB licenses, verified against official records as of August 17, 2026. All 8 are listed below, ordered by workers' compensation cover and years licensed.

How we chose: We identified 8 companies registered in Pleasanton. 8 passed license verification. All 8 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.D & C Glass And Aluminum Inc.

    ✓ CSLB License #588253 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1990
    Phone
    (925) 425-7671

  2. 2.Debernardi Development Inc.

    ✓ CSLB License #604607 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1990
    Phone
    (925) 846-1765

  3. 3.Pleasanton Glass Co

    ✓ CSLB License #657811 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1992
    Phone
    (925) 846-2628

  4. 4.Team Glass Inc.

    ✓ CSLB License #690821 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1994
    Phone
    (925) 249-0222

  5. 5.Custom Exteriors Inc.

    ✓ CSLB License #785361 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2000
    Phone
    (925) 306-4500

  6. 6.Quality Windows & Doors Inc.

    ✓ CSLB License #865261 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2005
    Phone
    (925) 484-1747

  7. 7.Custom Exchange Windows

    ✓ CSLB License #891012 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2007
    Phone
    (925) 518-3103

  8. 8.Commercial Glazing Concepts Inc.

    ✓ CSLB License #1066589 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2020
    Phone
    (707) 297-9901

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
D & C Glass And Aluminum Inc.#588253On file1990
Debernardi Development Inc.#604607On file1990
Pleasanton Glass Co#657811On file1992
Team Glass Inc.#690821On file1994
Custom Exteriors Inc.#785361On file2000
Quality Windows & Doors Inc.#865261On 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, 8 of them registered in Pleasanton. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Pleasanton license has been held 25 years, and the longest-standing one dates to 1990. 7 of Pleasanton's 8 licenses (87.5%) 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 Pleasanton: common questions

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

8 active C-17 glazing licenses are registered in Pleasanton, out of 133 across Alameda County. 8 Pleasanton-registered companies passed our license verification, and all 8 are listed on this page. 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. 8 active C-17 glazing licenses are registered in Pleasanton and 133 across Alameda County, the longest-standing issued in 1990. 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 7 of Pleasanton's 8 currently carry. 13 Alameda County licenses expire within 90 days.

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