Glenn David Mattern, B General Building Contractor in Claremont, CA
Glenn David Mattern operating as a sole owner holds an active California contractor license (CSLB #1136410), valid through Apr 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: B — General Building Contractor. Records show a previously-filed surety bond from Rli Insurance Company that is no longer active and an exempt workers' compensation status (no employees on payroll). The business is based in Claremont, in Los Angeles County, California.
- License Number
- 1136410
- Issued
- Apr 22, 2025
- Status
- CLEAR
- Expires
- Apr 30, 2027
- Entity
- Sole Owner
- Surety
- Rli Insurance Company
- Bond Number
- LSM1991083
- Effective
- Apr 2, 2025
- Status
- Cancelled
- Cancelled
- May 2, 2026
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 31, 2025
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- Contractor bond cancelled
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Glenn David Mattern licensed in California?
Yes. Glenn David Mattern holds California Contractors State License Board license number 1136410, which is active and in good standing. The license was first issued on April 22, 2025. It is valid through April 30, 2027.
What does Glenn David Mattern specialize in?
Glenn David Mattern is licensed for one CSLB classification: B General Building Contractor.
Where is Glenn David Mattern headquartered?
Glenn David Mattern is headquartered at 310 N Indian Hill Blvd #59, Claremont, CA 91711, in Los Angeles County, California.
Does Glenn David Mattern have an active surety bond on file with CSLB?
Glenn David Mattern has a previously-filed surety bond from Rli Insurance Company that is no longer active.
Does Glenn David Mattern carry workers' compensation coverage?
Glenn David Mattern reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Glenn David Mattern's contractor license?
You can verify Glenn David Mattern's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1136410.
- WC coverage startsMar 31, 2025
- Bond activeApr 2, 2025
- License issuedApr 22, 2025
- Bond cancelledMay 2, 2026
- License expiresApr 30, 2027
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