B-Line Construction and Septic is a premier business serving the Shelton and greater Mason County area and beyond for over 18 years. Services include:Complete Septic designs, installation, pumping & maintenance, including Glendon BioFilters & Drip Irrigation Systems. Selling your home? We will inspect your system & provide the necessary reports.Excavation services including, land clearing, Site Prep, Road Building, Ditching & Drainage, Brush Hauling, Demolition, Logging. We can locate all electrical, plumbing & drainage lines.Owner, Don Woolliscroft. Licensed, Bonded & Insured.