Coast Construction, founded in 1986, is a licensed on-site septic system installer for Whatcom and Skagit Counties. Our crews receive regular training through the Washington On-site Sewage Association. You can depend on our experienced technicians to install your on-site septic system to local Health Department standards.

Coast Construction is further certified by the Manufacturer on Whitewater, Advantex, Fast Systems, Geo Flow, and Glendon Bio-Filter, for the installation of Conventional Systems, Sub Surface Drip Systems, (ATU) Aerobic Treatment Systems, Pressure Systems, and Sand Filter Systems.

Coast Construction takes the health and well being of our customers and our environment very seriously.

Our priority is total customer satisfaction. Coast Construction’s friendly and professional staff focuses on customer service. Coast Construction has completed projects totaling millions of dollars and all jobs were completed in a timely manner and on budget.

If you have an approved septic design for any type of septic system, just give us a call at (360) 380-1561, or email us at info@coastconst.com outlining your project and we can provide you with an estimate for the installation of your system.

For more information on how to care for your on-site septic system, visit our Septic Care page.