4G GRADING operating as a corporation is licensed in California under CSLB number 817137. The license was first issued in 2003, putting the business at 23 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 MERCHANTS BONDING COMPANY (MUTUAL) and active workers' compensation coverage from GREAT AMERICAN ALLIANCE INSURANCE COMPANY. The business is based in RAMONA, in San Diego County, California.