West Coast General Engineering & Demo Inc. is a full-service concrete and general engineering contractor based in Rancho Cucamonga, California, serving San Bernardino, Riverside, Orange, and Los Angeles counties. With over 25 years of experience, we provide residential, commercial, industrial, and municipal clients with comprehensive services including: Concrete (foundations, slabs, driveways, patios, stamped concrete) Asphalt paving and resurfacing Demolition and removal Land clearing and site preparation Sewer lateral installation and repair