Cornerstone General Construction, B General Building Contractor in Pittsburg, CA
Cornerstone General Construction operating as a sole owner holds an active California contractor license (CSLB #864572), valid through Sep 30, 2027. First issued in 2005, the license has been on the CSLB roster for 21 years. It carries 2 CSLB classifications: B General Building Contractor and C-43 Sheet Metal Contractor. Records show an active surety bond on file with Jet Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Pittsburg, in Contra Costa County, California.
- License Number
- 864572
- Issued
- Sep 21, 2005
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Sole Owner
- Surety
- Jet Insurance Company
- Bond Number
- BX0082843
- Effective
- Mar 18, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 14, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Cornerstone General Construction licensed in California?
Yes. Cornerstone General Construction holds California Contractors State License Board license number 864572, which is active and in good standing. The license was first issued on September 21, 2005. It is valid through September 30, 2027.
What does Cornerstone General Construction specialize in?
Cornerstone General Construction is licensed for 2 CSLB classifications: B General Building Contractor and C-43 Sheet Metal Contractor.
Where is Cornerstone General Construction headquartered?
Cornerstone General Construction is headquartered at 4442 Glen Canyon Cir, Pittsburg, CA 94565, in Contra Costa County, California.
Does Cornerstone General Construction have an active surety bond on file with CSLB?
Yes. Cornerstone General Construction has an active California contractor surety bond filed with Jet Insurance Company.
Does Cornerstone General Construction carry workers' compensation coverage?
Cornerstone General Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Cornerstone General Construction's contractor license?
You can verify Cornerstone General Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=864572.
- License issuedSep 21, 2005
- WC coverage startsSep 14, 2025
- Bond activeMar 18, 2026
- License expiresSep 30, 2027
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