Concept Builders, B General Building Contractor in Lafayette, CA
Concept Builders operating as a sole owner holds California contractor license #842563, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2004, the license has been on the CSLB roster for 22 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 Lafayette, in Contra Costa County, California.
- License Number
- 842563
- Issued
- Jul 13, 2004
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101634079
- Effective
- Aug 7, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 31, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Concept Builders licensed in California?
Concept Builders previously held California Contractors State License Board license number 842563, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 13, 2004.
What does Concept Builders specialize in?
Concept Builders is licensed for one CSLB classification: B General Building Contractor.
Where is Concept Builders headquartered?
Concept Builders is headquartered at 9 Middle Road, Lafayette, CA 94549, in Contra Costa County, California.
Does Concept Builders have an active surety bond on file with CSLB?
Yes. Concept Builders has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Concept Builders carry workers' compensation coverage?
Concept Builders reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Concept Builders's contractor license?
You can verify Concept Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=842563.
- License issuedJul 13, 2004
- WC coverage startsJul 31, 2024
- Bond activeAug 7, 2025
- License expiredJul 31, 2026
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