TRINITY GRADING INCORPORATED operating as a corporation is licensed in California under CSLB number 847643. The license was first issued in 2004, putting the business at 22 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 AMERICAN CONTRACTORS INDEMNITY COMPANY and active workers' compensation coverage from AMERICAN ZURICH INSURANCE COMPANY. The business is based in TEMECULA, in Riverside County, California.