About I-5 Septic Services
A family-owned septic company dedicated to honest, quality service along Washington's I-5 corridor.
Our Story
I-5 Septic Services was founded with a simple mission: provide honest, reliable septic services to homeowners and businesses along Washington's I-5 corridor.
With over 20 years of experience in the industry, we've built our reputation on transparency, quality workmanship, and treating every customer's property like our own. We don't believe in surprise bills or unnecessary upsells—we explain what we find and give you the information you need to make the best decision.
Based in Winlock, WA, we serve communities throughout Clark, Cowlitz, Lewis, and Thurston Counties. Whether you need a new septic system installed, an emergency repair at 2 AM, or routine maintenance to keep your system running smoothly, we're here to help.
Our Values
The principles that guide everything we do.
Honesty & Transparency
We explain what we find in plain English. No surprise bills, no unnecessary upsells. You'll understand exactly what needs to happen and why.
Quality Workmanship
We do the job right the first time. From proper installation to thorough repairs, we take pride in work that lasts.
Customer First
Your satisfaction is our priority. We treat every property like our own and every customer like family.
Licensed & Certified
Fully licensed, bonded, and insured for your protection.
WA State License
#605557056
Fully Bonded
Protected
Fully Insured
Liability Coverage
EPA Compliant
Environmental
Ready to Work With Us?
Contact us today for a free estimate or to schedule service. We're here to help.