Concept Builders
Verified against CSLB on · View on CSLB
License details
- License number
- 842563
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- July 13, 2004 – July 31, 2026
Business
- (925) 768 4983 (CSLB public record)
- 9 MIDDLE ROAD, Lafayette, CA 94549Contra Costa County
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Frequently asked questions
Is Concept Builders licensed in California?
Yes. Concept Builders holds an active California state contractor license (CSLB #842563), verified against the CSLB public record on June 17, 2026.
What is Concept Builders's CSLB license number?
Concept Builders's California contractor license number is 842563. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=842563
What kind of work is Concept Builders licensed for?
Concept Builders is classified under General Building (B) by the CSLB.
How do I verify Concept Builders's license myself?
Look up license #842563 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=842563. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.