Contractor License Proof

Mainline Engineering Services Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1080863
Status
Active
Classifications
A · General Engineering
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
September 7, 2021 – September 30, 2027

Business

  • (714) 331 1510 (CSLB public record)
  • 3178 PACER DR, Norco, CA 92860Riverside County

Are you Mainline Engineering Services Inc? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project. See our Privacy Policy.

Other General Engineering contractors in Norco

Bertagna Lee and Smith Inc

A · Norco, CA

Licensed

Verified June 17, 2026 · Bonded

Fore Contractors Inc

A · Norco, CA

Licensed

Verified June 17, 2026 · Bonded

Trenchless Tech Inc

A · Norco, CA

Licensed

Verified June 17, 2026 · Bonded

Nextgen Construction Inc

A · Norco, CA

Licensed

Verified June 17, 2026 · Bonded

Moore Dvbe Construction Supply

A · Norco, CA

Licensed

Verified June 17, 2026 · Bonded

Paving Management Inc

A · Norco, CA

Licensed

Verified June 17, 2026 · Bonded

Browse all General Engineering contractors in Norco

What to check next

How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Mainline Engineering Services Inc licensed in California?

Yes. Mainline Engineering Services Inc holds an active California state contractor license (CSLB #1080863), verified against the CSLB public record on June 17, 2026.

What is Mainline Engineering Services Inc's CSLB license number?

Mainline Engineering Services Inc's California contractor license number is 1080863. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Mainline Engineering Services Inc licensed for?

Mainline Engineering Services Inc is classified under General Engineering (A) by the CSLB.

How do I verify Mainline Engineering Services Inc's license myself?

Look up license #1080863 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #1080863 on CSLB

Checking more than one contractor? Verify another license.Verify a license

See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.