A septic system is a buried machine. We install it so you can forget it is there.
New installs, repairs, pumping and free design reviews from an experienced crew based in Bellingham. County permit to final inspection, one team the whole way.
What we do
Every job runs through the county permit process and ends with a final inspection. Here is the work we take on.
New septic installation
Full onsite sewage systems from approved design to final county approval. Gravity, pressure distribution and advanced treatment.
Learn more
Septic repairs
Approved repairs for failing systems: broken lines, failed pumps, damaged baffles, saturated drainfields. Honest triage first.
Learn more
Septic tank pumping
Routine pumping keeps solids out of your drainfield. Like the truck says: we get the stinkin' out.
Learn more
Advanced & proprietary systems
Aerators, media filter chambers, UV disinfection, NuWater and OSCAR systems. What they are and when a site needs one.
Learn more
Design review & free quote
Send us your approved septic design. We review it, walk the site with you and give you a competitive number, free.
Learn more
Also from Strong Construction
Excavation and land work
Land clearing, grading, driveways and drainage through our earthworks side. Same owner, same machines, one contractor for the whole job.
Visit Bellingham Excavation Co.How an install actually goes
Soil evaluation, approved design, county permit, excavation, tank set, drainfield, final inspection. We handle the whole sequence and keep you posted at each step, and the photos on our process page are from our own jobs.
Where we work
Based in Bellingham, we install and repair septic systems across Whatcom and Skagit counties in northwest Washington.
Owner on every job
Bellingham Septic Co. is owner-operated. The person who quotes your job runs the machine, sets the tank and checks the final grade. No handoffs, no sales layer between you and the crew.
More about usGet a free quote
Already have an approved septic design? Send it over and we will review it, walk the site with you and give you a competitive number. No design yet? We can still point you in the right direction.