Pronesti Excavation, Inc. Return to Directory Contact George Pronesti Address 6301 Angelo Court, Suite 10 City Loomis State CA ZIP Code 95650 Business Phone 1 916 652-5832 Business Fax 1 916 652-2347 CSLB Number https://www2.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=624475 Specialty Excavating, Commercial, General Engineers, Commercial, Grading, Commercial, Underground Utilities & Trenching