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Best Licensed Glass & Glazing Contractors in Oakland, CA

17 glass companies registered in Oakland 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 17 companies registered in Oakland. 17 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.East Bay Glass Co Inc.

    ✓ CSLB License #410785 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1981
    Phone
    (510) 834-2535

  2. 2.Safeshields Incorporated DBA M A Z & G D H

    ✓ CSLB License #738716 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    1997
    Phone
    (510) 773-7100

  3. 3.B Side Inc.

    ✓ CSLB License #821091 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2003
    Phone
    (510) 451-7527

  4. 4.Romero Glass Studios

    ✓ CSLB License #840360 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2004
    Phone
    (510) 533-1109

  5. 5.All Bay Area Glass

    ✓ CSLB License #950231 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2010
    Phone
    (510) 553-1335

  6. 6.A C R Glass And Doors

    ✓ CSLB License #956086 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2010

  7. 7.Nzilani Glass Conservation

    ✓ CSLB License #1010577 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2016
    Phone
    (510) 995-0477

  8. 8.Sf Glass & Mirror Inc.

    ✓ CSLB License #1015137 - look up this number at CSLB
    Verified
    August 17, 2026
    Licensed since
    2016
    Phone
    (510) 625-9905

Compare the top 6 at a glance

CompanyLicenseWorkers' compLicensed since
East Bay Glass Co Inc.#410785On file1981
Safeshields Incorporated DBA M A Z & G D H#738716On file1997
B Side Inc.#821091On file2003
Romero Glass Studios#840360On file2004
All Bay Area Glass#950231On file2010
A C R Glass And Doors#956086On file2010

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, 17 of them registered in Oakland. CSLB also publishes a real original issue date, which Washington's registry does not, so tenure is measurable here: the median Oakland license has been held 15 years, and the longest-standing one dates to 1971. 13 of Oakland's 17 licenses (76.5%) 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 Oakland: common questions

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

17 active C-17 glazing licenses are registered in Oakland, out of 133 across Alameda County. 17 Oakland-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. 17 active C-17 glazing licenses are registered in Oakland and 133 across Alameda County, the longest-standing issued in 1971. 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 13 of Oakland's 17 currently carry. 13 Alameda County licenses expire within 90 days.

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