About B-Line Construction

B-Line Construction is a locally based, family owned business, specializing in septic design and installation of advanced systems, excavation contracting, site prep, tree removal, custom home building and demolition.

​The company started in Shelton, Washington in 1991 originally specializing in excavation and slowly building to the company we are today. From septic design to a complete home build and everything in between.

B-Line is a rarity among construction companies in Mason County in that we do all of our own site work, road building, septic design, installation and complete home builds.

The advantage to you as a customer is having one company with many years of experience, responsible for 'doing it right' from start to finish. We strive for excellence and to that end, cut no corners in either workmanship or materials in order to provide you the best there is.

Thank you for taking the time to visit our site and we look forward to connecting with you soon!

B-Line Construction, Inc. is fully insured, licensed, and bonded in the State of Washington.

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Recent Projects: This past year was one of our busiest years to date and kept us extremely busy. We designed & installed multiple septic systems, did many septic system repairs, completed multiple homes from the ground up. We also did many various small construction projects including new garages, decks, and stairs.

Some of our best traits: As a company being in business for 33 years we have many great traits and qualities that has allowed our company to be the success that it is today. Our greatest trait is that we always do quality work, have a great eye for detail, and we go above and beyond to ensure our customers are happy with our work.

We strive to do the absolute best work we can so that our customers hire us again and again and recommend us first to to their family and friends. In this business sometimes there can be unexpected problems, and this is another aspect of where our company outshines our competitors as we always do whatever it takes to remedy the situation.