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Best Licensed Glass & Glazing Contractors in Glendora, CA

4 glass companies registered in Glendora hold current CSLB licenses, verified against official records as of August 17, 2026. All 4 are listed below, ordered by workers' compensation cover and years licensed.

How we chose: We identified 4 companies registered in Glendora. 4 passed license verification. All 4 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.Corona Aluminum Co

    ✓ CSLB License #502986 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1986
    Phone
    (909) 731-9669

  2. 2.Glendora Glass And Mirror LLC

    ✓ CSLB License #599685 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1990
    Phone
    (626) 335-3699

  3. 3.All Cities Glass And Screen

    ✓ CSLB License #999327 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2014
    Phone
    (626) 963-1812

  4. 4.V D M Construction

    ✓ CSLB License #1042641 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2018
    Phone
    (626) 857-0025

Compare the top 4 at a glance

CompanyLicenseWorkers' compLicensed since
Corona Aluminum Co#502986On file1986
Glendora Glass And Mirror LLC#599685On file1990
All Cities Glass And Screen#999327Exempt or none on file2014
V D M Construction#1042641Exempt or none on file2018

Los Angeles County glazing licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 551 active C-17 glazing licenses in Los Angeles County, 4 of them registered in Glendora. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Glendora license has been held 11 years, and the longest-standing one dates to 1986. 2 of Glendora's 4 licenses (50.0%) 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: 551 of the county's 551 licenses carry the same $25,000 bond California sets by statute. 52 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 Glendora: common questions

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

4 active C-17 glazing licenses are registered in Glendora, out of 551 across Los Angeles County. 4 Glendora-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 glass and glazing contractors?

Yes. California licenses contractors by classification, and C-17 is the CSLB classification that authorises this work. 4 active C-17 glazing licenses are registered in Glendora and 551 across Los Angeles County, the longest-standing issued in 1986. 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 2 of Glendora's 4 currently carry. 52 Los Angeles County licenses expire within 90 days.

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