Dumpster Rental, Excavation & Concrete Removal Services in San Diego County Affordable Waste Management in San Diego, CA & Beyond M & M Hauling & Bobcat is a family owned, light excavation, concrete & asphalt removal, and dumpster rental business serving San Diego County since 1996. We specialize in dirt ,concrete and small project demolitions. We love helping homeowners and fellow contractors with projects like light grading and leveling, concrete and asphalt demolition, yard cutbacks for retaining walls, trenching and more.