DIAMOND GRADING INC operating as a corporation is licensed in California under CSLB number 877432. The license was first issued in 2006, putting the business at 20 years on the active CSLB roster. It carries a single CSLB classification: C-12 — Earthwork and Paving Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY and active workers' compensation coverage from SERVICE AMERICAN INDEMNITY COMPANY. The business is based in RIVERSIDE, in Riverside County, California.