Coast Construction 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.
If you have an approved septic design, we can provide you with a FREE ESTIMATE.
Click HERE for the full list of Septic Designers in Whatcom County.
OSS (On Site Sewage Systems)
- Glendon Bio Filter
- AdvanTex
- New installation
- Repairs
- OSS Maintenance
- Inspections
- Connect City Sewer
Click on SEPTIC CARE to get more information on caring for your septic system.