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Best Licensed Glass & Glazing Contractors in Simi Valley, CA

25 glass companies registered in Simi Valley 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 25 companies registered in Simi Valley. 25 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.Nu-star Glass & Mirror

    ✓ CSLB License #587998 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1990
    Phone
    (805) 582-9199

  2. 2.Community Glass & Mirror Corp

    ✓ CSLB License #689624 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1994
    Phone
    (805) 526-1067

  3. 3.Preferred Glass And Windows

    ✓ CSLB License #721953 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1996
    Phone
    (805) 527-8890

  4. 4.All Roof & Window Systems

    ✓ CSLB License #752423 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1998
    Phone
    (805) 582-1887

  5. 5.Apollo Glazing Contractors Inc.

    ✓ CSLB License #777114 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2000
    Phone
    (805) 522-6300

  6. 6.Simi Valley Glass And Mirror

    ✓ CSLB License #792706 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2001
    Phone
    (805) 526-8099

  7. 7.C G S Custom Glass Specialists

    ✓ CSLB License #797567 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2001
    Phone
    (805) 577-8829

  8. 8.Commercial Glass Company

    ✓ CSLB License #1035893 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2018
    Phone
    (805) 522-8186

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
Nu-star Glass & Mirror#587998On file1990
Community Glass & Mirror Corp#689624On file1994
Preferred Glass And Windows#721953On file1996
All Roof & Window Systems#752423On file1998
Apollo Glazing Contractors Inc.#777114On file2000
Simi Valley Glass And Mirror#792706On file2001

Ventura County glazing licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 103 active C-17 glazing licenses in Ventura County, 25 of them registered in Simi Valley. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Simi Valley license has been held 19 years, and the longest-standing one dates to 1983. 10 of Simi Valley's 25 licenses (40.0%) 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: 103 of the county's 103 licenses carry the same $25,000 bond California sets by statute. 7 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 Simi Valley: common questions

How many licensed glass and glazing contractors are there in Simi Valley?

25 active C-17 glazing licenses are registered in Simi Valley, out of 103 across Ventura County. 25 Simi Valley-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. 25 active C-17 glazing licenses are registered in Simi Valley and 103 across Ventura County, the longest-standing issued in 1983. 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 10 of Simi Valley's 25 currently carry. 7 Ventura County licenses expire within 90 days.

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