Welcome to Tri County Monitoring and Septic Services!

We are a family owned and operated company and have been in business since 1998. Tri County offers over 20 years of experience. We provide septic pumping, septic repair services and septic inspections for residential and commercial systems. Our goal is to provide homeowners with prompt, courteous service, and to educate them on their particular type of septic system. We are one of the only septic companies that has licensed electricians on staff. We feel that sharing knowledge will help prolong the life of your septic system and save you money on costly or unnecessary repairs.

Counties We Serve


Skagit County
King County

Cities We Serve


Arlington, WA
Everett, WA
Lake Stevens, WA
Marysville, WA
Monroe, WA
Snohomish, WA
Stanwood, WA