Mainline Construction
Verified against CSLB on · View on CSLB
License details
- License number
- 855137
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- February 28, 2005 – December 31, 2027
Business
- (714) 920 2166 (CSLB public record)
- 27262 REGIO, Mission Viejo, CA 92692Orange County
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Frequently asked questions
Is Mainline Construction licensed in California?
Yes. Mainline Construction holds an active California state contractor license (CSLB #855137), verified against the CSLB public record on June 17, 2026.
What is Mainline Construction's CSLB license number?
Mainline Construction's California contractor license number is 855137. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=855137
What kind of work is Mainline Construction licensed for?
Mainline Construction is classified under General Building (B) by the CSLB.
How do I verify Mainline Construction's license myself?
Look up license #855137 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=855137. 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.