Superior Dirt Works LLC is a professional excavating contractor located in Colbert, WA. Don’t waste your time and call us now! We serve Colbert, WA, Deer Park WA; Liberty Lake WA; Airway Heights WA; Fairwood WA; Country Homes WA; and the surrounding areas. Excavating Contractor, Excavation Service, Building Site Preparation, Excavating Companies, Land Excavating Road Improvement, Demolition, Material Hauling, Demolition Service, Demolition Contractor