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Best Licensed Door & Gate Contractors in Antioch, CA

5 door and gate companies registered in Antioch hold current CSLB licenses, verified against official records as of August 17, 2026. All 5 are listed below, ordered by workers' compensation cover and years licensed.

How we chose: We identified 5 companies registered in Antioch. 5 passed license verification. All 5 are listed below. Our methodology

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  1. 1.M & L Overhead Doors

    ✓ CSLB License #881525 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2006
    Phone
    (925) 260-5662

  2. 2.Sergio Quintero DBA R & Q Overhead Doors

    ✓ CSLB License #958400 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2011
    Phone
    (925) 308-6011

  3. 3.Big D's Garage Doors LLC

    ✓ CSLB License #1038526 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2018
    Phone
    (925) 383-8337

  4. 4.Delta Diablo Garage Doors

    ✓ CSLB License #1102424 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2023
    Phone
    (925) 363-9612

  5. 5.Skyline Garage Doors

    ✓ CSLB License #1148178 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2025
    Phone
    (925) 705-0693

Compare the top 5 at a glance

CompanyLicenseWorkers' compLicensed since
M & L Overhead Doors#881525On file2006
Sergio Quintero DBA R & Q Overhead Doors#958400Exempt or none on file2011
Big D's Garage Doors LLC#1038526Exempt or none on file2018
Delta Diablo Garage Doors#1102424Exempt or none on file2023
Skyline Garage Doors#1148178Exempt or none on file2025

Contra Costa 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: 63 active D-28 doors, gates and activating devices licenses in Contra Costa County, 5 of them registered in Antioch. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Antioch license has been held 8 years, and the longest-standing one dates to 2006. 1 of Antioch's 5 licenses (20.0%) 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: 63 of the county's 63 licenses carry the same $25,000 bond California sets by statute. 4 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 Antioch: common questions

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

5 active D-28 doors, gates and activating devices licenses are registered in Antioch, out of 63 across Contra Costa County. 5 Antioch-registered companies passed our license verification, and all 5 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. 5 active D-28 doors, gates and activating devices licenses are registered in Antioch and 63 across Contra Costa County, the longest-standing issued in 2006. 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 Antioch's 5 currently carry. 4 Contra Costa County licenses expire within 90 days.

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