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Best Licensed Glass & Glazing Contractors in San Leandro, CA

9 glass companies registered in San Leandro 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 9 companies registered in San Leandro. 9 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.Lon's Glass & Mirrors Inc.

    ✓ CSLB License #366062 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1978
    Phone
    (510) 483-9266

  2. 2.Division 8 Resource Incorporated

    ✓ CSLB License #742533 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1997
    Phone
    (510) 969-4152

  3. 3.Heavylux Inc.

    ✓ CSLB License #751278 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1998
    Phone
    (510) 667-0781

  4. 4.Manor Window LLC

    ✓ CSLB License #757995 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1999
    Phone
    (510) 352-9215

  5. 5.Innovation Construction Inc.

    ✓ CSLB License #996482 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2014
    Phone
    (510) 777-1877

  6. 6.Jimenez Glass

    ✓ CSLB License #1088018 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2022
    Phone
    (510) 467-2474

  7. 7.Kasbrook Inc.

    ✓ CSLB License #1143568 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2025
    Phone
    (510) 410-1026

  8. 8.Reyes Glass

    ✓ CSLB License #522073 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1987
    Phone
    (510) 388-4314

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Lon's Glass & Mirrors Inc.#366062On file1978
Division 8 Resource Incorporated#742533On file1997
Heavylux Inc.#751278On file1998
Manor Window LLC#757995On file1999
Innovation Construction Inc.#996482On file2014
Jimenez Glass#1088018On file2022

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, 9 of them registered in San Leandro. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median San Leandro license has been held 27 years, and the longest-standing one dates to 1978. 7 of San Leandro's 9 licenses (77.8%) 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 San Leandro: common questions

How many licensed glass and glazing contractors are there in San Leandro?

9 active C-17 glazing licenses are registered in San Leandro, out of 133 across Alameda County. 9 San Leandro-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. 9 active C-17 glazing licenses are registered in San Leandro and 133 across Alameda County, the longest-standing issued in 1978. 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 San Leandro's 9 currently carry. 13 Alameda County licenses expire within 90 days.

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