Mainline Construction, A General Engineering Contractor in Marina, CA
Mainline Construction operating as a partnership holds an active California contractor license (CSLB #977457), valid through Jul 31, 2027. First issued in 2012, the license has been on the CSLB roster for 14 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with United Surety Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Marina, in Monterey County, California.
- License Number
- 977457
- Issued
- Oct 1, 2012
- Status
- CLEAR
- Expires
- Jul 31, 2027
- Entity
- Partnership
- Surety
- United Surety Insurance Company
- Bond Number
- UCSX900X1924
- Effective
- Jul 24, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jun 5, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mainline Construction licensed in California?
Yes. Mainline Construction holds California Contractors State License Board license number 977457, which is active and in good standing. The license was first issued on October 1, 2012. It is valid through July 31, 2027.
What does Mainline Construction specialize in?
Mainline Construction is licensed for one CSLB classification: A General Engineering Contractor.
Where is Mainline Construction headquartered?
Mainline Construction is headquartered at 196 Leslie Court, Marina, CA 93933, in Monterey County, California.
Does Mainline Construction have an active surety bond on file with CSLB?
Yes. Mainline Construction has an active California contractor surety bond filed with United Surety Insurance Company.
Does Mainline Construction carry workers' compensation coverage?
Mainline Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mainline Construction's contractor license?
You can verify Mainline Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=977457.
- License issuedOct 1, 2012
- Bond activeJul 24, 2023
- WC coverage startsJun 5, 2025
- License expiresJul 31, 2027
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