Superior Underground

Superior Underground

6400 SE 101st Ave, Ste #3, 6400 SE 101st Ave Ste #3, Portland, 97266, US

Superior Underground: Your Local Underground Utility Expert
Superior Underground is your trusted local choice for professional excavation services in Portland, OR and SW Washington. We offer a wide range of services to meet your excavation needs, including trench-less options to address existing obstacles. Our team of experienced excavation contractors is dedicated to providing high-quality customer service and ensuring safe, accurate results for every project.
We specialize in:
  • Sewer repair and replacement
  • Water line replacement and repair
  • Traditional trenching
  • Septic system repair and replacement
  • Light demolition work
  • Land grading and sloping
  • Drainage system services
  • New construction dig-outs
  • Property clearing and leveling
  • Parking lot prep and extensions
  • Light demo work and debris removal
  • Minor grading and sloping
We are committed to providing comprehensive solutions for all your excavation needs, from trenching options for utility lines to septic system installations. We are certified and licensed to operate in Oregon, ensuring peace of mind for our clients.
Contact us today for a free estimate and let us help you with your next excavation project!

Services
Camera Sewer Inspections

We offer comprehensive camera sewer inspections to identify and diagnose any issues with your sewer lines. Our experienced technicians use state-of-the-art equipment to provide detailed reports and recommendations for repairs or replacements.

Sewer Repair

We provide expert sewer repair services to address a wide range of issues, including cracks, leaks, root intrusion, and pipe collapses. We use various techniques, including trench-less methods, to minimize disruption to your property.

Drainage

We specialize in drainage system services, ensuring optimal water flow for your residential or commercial property. We handle all types of systems, including French drains, StormTech, catch basins, dry wells, and grease interceptors.

Excavation Services

We offer a comprehensive range of excavation services, including trenching, grading, and site preparation. We have the expertise and equipment to handle projects of all sizes, from small residential jobs to large commercial developments.

Sewer Replacement

We provide complete sewer replacement services, using high-quality materials and proven techniques to ensure long-lasting results. We offer both traditional trenching and trench-less options to minimize disruption to your property.

Water Line Repair

We offer expert water line repair services to address leaks, breaks, and other issues. We use various techniques, including trench-less methods, to minimize disruption to your property.

Trench-less Technologies

We utilize advanced trench-less technologies to minimize disruption to your property during sewer and water line repairs and replacements. These methods are environmentally friendly and cost-effective.

Why Us?
Oregon CCB# 219110 | Washington LIC# SUPERUL824L5

We are licensed and insured in both Oregon and Washington, ensuring that our work meets the highest standards of quality and safety.

Free Estimates & Consultations

As a local company, we possess in-depth knowledge of the area and its specific excavation requirements.

Proven Track Record

Read testimonials from our satisfied clients who have experienced our professionalism and quality workmanship.

Licensed & Insured Professionals

We are licensed, insured, and prioritize safety in every aspect of our operations.

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