MAINLINE CONSTRUCTION operating as a partnership is licensed in California under CSLB number 977457. The license was first issued in 2012, putting the business at 14 years on the active CSLB roster. 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.