General Contractor in Norco, CA. A
Mainline Engineering Services Inc appears in California license records as a general contractor based in Norco, CA. The record lists a A license (#1080863) with status “Clear”. It was first issued on 2021-09-07, 5 years ago. It is listed as valid through 2027-09-30. A contractor bond of $25,000 is on file. Workers' comp on file: Exempt.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
This listing was created from public license records. The owner hasn’t claimed it yet — claim it now and we’ll build you a free professional website at bidroom.io/pro/mainline-engineering-services-inc.
Contact info is revealed to anyone with a free Bidroom account. Create yours to unlock contact details across the Bidroom directory — then subscribe if you'd like to message verified pros directly inside the app.
Create a free account Or subscribe to message in-appCheck license #1080863 on the California CSLB lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-04-09).
Mainline Engineering Services Inc is a general contractor based in Norco, California. Their license classification is A. Listed specialties: A.
Yes. Mainline Engineering Services Inc holds California CSLB license #1080863 (status: Clear). Verify the current status on California CSLB before hiring.
Mainline Engineering Services Inc is based in Norco, CA 92860.
Contact information (phone, email, website) is shown to anyone with a free Bidroom account. Create a free account to reveal Mainline Engineering Services Inc's contact details, then subscribe if you'd like to message them in-app.
The fastest way is to post your project on Bidroom — Mainline Engineering Services Inc and up to 2 other verified general contractors in Norco can bid on it, and every quote includes itemized pricing + a written scope of work.
Not yet. This listing was created from public California license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.
Contractor vetting checklist · Cost guide · Look up this license at the state board