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California contractor license
Celtic Glass Inc
Celtic Glass Inc of San Francisco holds California license 574325 (C17 Glazing). The CSLB file dated Oct 30, 2026 lists it as active.1 It expires Aug 31, 2027.
Active
Celtic Glass Inc, San Francisco
- License
- 574325
- Class
- C17 Glazing
- Expires
- Aug 31, 2027
- Bond
- $25,000
- Workers' comp
- Insured to Oct 11, 2027
CSLB file dated Oct 30, 2026
From the CSLB file dated Oct 30, 2026. Not a consumer report; check the board before you hire.
Has the board taken action on this license?
None in the CSLB file dated Oct 30, 2026. Confirm with the board: CSLB license check
What bond, insurance and workers' comp are on file?
- Bond
- $25,000American Contractors Indemnity Company, from Jan 1, 2023, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- InsuredPie Insurance Company (The), from Oct 11, 2026, to Oct 11, 2027
Who is on this license?
- Officer
- Michael A. MitchellSince Aug 3, 1989
- Responsible managing officer, CEO and president
- John C. MitchellSince Aug 3, 1989
What work does this license cover?
Issued Aug 3, 1989.
- C17 Glazing
Which other San Francisco businesses hold C17 Glazing?
- Theisen Glass Company IncLicensed since 1983
- K C Glass IncLicensed since 1988
- MC Laughlin John F Window And Glass IncLicensed since 1992
- Jimmy Diamond Glass IncLicensed since 1992
- Kaiser GlassLicensed since 1993
What should you check before hiring?
What to ask before you hire
- Get the license number in writing. The name on the license should match the name on your contract and invoice.
- Check the class covers the job. A license for one trade doesn't cover another. California license classes
- Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
- Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. An exemption on file means the contractor told the CSLB it has no employees.
- Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.
If the license is lapsed
- Don't sign or pay a deposit until the CSLB shows the license active again.
- Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the CSLB, then check again.
- If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
- Check another contractor. California license lookup
Sources
- CSLB License Master (cslb.ca.gov, Oct 30, 2026)
- Contractors State License Board (CSLB)