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Best Licensed Door & Gate Contractors in Glendora, CA

3 door and gate companies registered in Glendora hold current CSLB licenses, verified against official records as of August 17, 2026. All 3 are listed below, ordered by workers' compensation cover and years licensed.

How we chose: We identified 3 companies registered in Glendora. 3 passed license verification. All 3 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.L B K Construction

    ✓ CSLB License #907625 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2007
    Phone
    (626) 629-0447

  2. 2.Unique Innovative Products

    ✓ CSLB License #964845 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2011
    Phone
    (888) 274-1221

  3. 3.Quality Door Service

    ✓ CSLB License #1043428 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2018
    Phone
    (626) 391-1557

Compare the top 3 at a glance

CompanyLicenseWorkers' compLicensed since
L B K Construction#907625On file2007
Unique Innovative Products#964845Exempt or none on file2011
Quality Door Service#1043428Exempt or none on file2018

Los Angeles County door and gate licensure at a glance

California licenses contractors by classification and CSLB publishes one on every record, so supply can be counted exactly: 532 active D-28 doors, gates and activating devices licenses in Los Angeles County, 3 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 14 years, and the longest-standing one dates to 2007. 1 of Glendora's 3 licenses (33.3%) carries 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: 532 of the county's 532 licenses carry the same $25,000 bond California sets by statute. 56 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.

Door & Gate Contractors in Glendora: common questions

How many licensed door and gate contractors are there in Glendora?

3 active D-28 doors, gates and activating devices licenses are registered in Glendora, out of 532 across Los Angeles County. 3 Glendora-registered companies passed our license verification, and all 3 are listed on this page. Only licenses CSLB shows as CLEAR and unexpired are listed.

Does California license door and gate contractors?

Yes. California licenses contractors by classification, and D-28 is the CSLB classification that authorises this work. 3 active D-28 doors, gates and activating devices licenses are registered in Glendora and 532 across Los Angeles County, the longest-standing issued in 2007. Only CLEAR, unexpired licenses appear here.

How do I check a door and gate 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 1 of Glendora's 3 currently carry. 56 Los Angeles County licenses expire within 90 days.

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