Custom Modular Structures
Verified against CSLB on · View on CSLB
License details
- License number
- 560604
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- March 14, 1989 – March 31, 2027
Business
- (925) 413 8041 (CSLB public record)
- 1525 WILLOW LAKE ROAD, Discovery Bay, CA 94505Contra Costa County
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Frequently asked questions
Is Custom Modular Structures licensed in California?
Yes. Custom Modular Structures holds an active California state contractor license (CSLB #560604), verified against the CSLB public record on June 17, 2026.
What is Custom Modular Structures's CSLB license number?
Custom Modular Structures's California contractor license number is 560604. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=560604
What kind of work is Custom Modular Structures licensed for?
Custom Modular Structures is classified under General Building (B) by the CSLB.
How do I verify Custom Modular Structures's license myself?
Look up license #560604 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=560604. 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.