TIER ONE operating as a corporation is licensed in California under CSLB number 669871. The license was first issued in 1993, putting the business at 33 years on the active CSLB roster. It carries 2 CSLB classifications: B General Building Contractor and C-10 Electrical Contractor. Records show an active surety bond on file with TRAVELERS CASUALTY AND SURETY COMPANY OF AMERICA and active workers' compensation coverage from INSURANCE COMPANY OF THE WEST. The business is based in NORCO, in Riverside County, California.