Superior Underground LLC

Superior Underground is a trusted excavation contractor serving the Portland metro area and SW Washington for over 15 years. With a team of professional excavation contractors, they specialize in a wide range of services including sewer repair and replacement, water line repair, traditional trenching, septic system repair and replacement, and more. Their expertise in drainage systems ensures maximum water flow for residential and commercial properties, offering solutions such as French drains, StormTech catch basins, dry wells, and grease interceptors.

What sets Superior Underground apart is their commitment to site preparation and cleanup, ensuring proper grading and leveling for new construction dig-outs, property clearing and leveling, parking lot prep and extensions, and minor grading and sloping. They also offer light demolition work and debris removal, handling sheds, garages, and small buildings, as well as hauling yard debris, wood, metal, and miscellaneous materials. Certified and licensed in Oregon, Superior Underground guarantees safe and accurate results for all excavation projects.

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