Public CSLB records

Andrew Mathias, B General Building Contractor in Oakley, CA

License #894086·Sole Owner·Oakley, Contra Costa County
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Summary

Andrew Mathias operating as a sole owner holds an active California contractor license (CSLB #894086), valid through Apr 30, 2027. First issued in 2007, the license has been on the CSLB roster for 19 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in Oakley, in Contra Costa County, California.

Business Information
Address
5900 Sellers Ave
Oakley, CA 94561
License Details & Classifications
License Number
894086
Issued
Apr 7, 2007
Status
CLEAR
Expires
Apr 30, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101313958
Effective
Oct 31, 2024
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Apr 29, 2025
Expires
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Andrew Mathias licensed in California?

Yes. Andrew Mathias holds California Contractors State License Board license number 894086, which is active and in good standing. The license was first issued on April 7, 2007. It is valid through April 30, 2027.

What does Andrew Mathias specialize in?

Andrew Mathias is licensed for one CSLB classification: B General Building Contractor.

Where is Andrew Mathias headquartered?

Andrew Mathias is headquartered at 5900 Sellers Ave, Oakley, CA 94561, in Contra Costa County, California.

Does Andrew Mathias have an active surety bond on file with CSLB?

Yes. Andrew Mathias has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does Andrew Mathias carry workers' compensation coverage?

Andrew Mathias reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Andrew Mathias's contractor license?

You can verify Andrew Mathias's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=894086.

Activity Timeline
  1. License issuedApr 7, 2007
  2. Bond activeOct 31, 2024
  3. WC coverage startsApr 29, 2025
  4. License expiresApr 30, 2027
Other contractors in Contra Costa County
California lien & payment resources

Working a California job with Andrew Mathias, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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