Mikkelsen Septic LLC is a locally owned and operated business serving Mason, Kitsap, Grays Harbor and Thurston Counties. We are fully licensed, bonded and insured and have been providing quality service and workmanship to our clients for years. Our number one priority is our customers satisfaction and we work hard on every job to make sure that we exceed your expectations. Our services include: Excavation, Site Preparation, Grading Services, Land Clearing, Septic Installation, Septic Repairs, Drainage and Utilities, Septic Inspections, O&M Inspections and Installations, Underground Septic Lines and more Call us today to schedule your Free Estimate!