You’re not calling a call center — you’re calling the crew that shows up. Here’s who we are.
CDA Septic is a locally owned and operated septic, sewer, water and excavation company based in Coeur d’Alene. We handle the whole job under one roof — so you get one crew that’s accountable from the first call to the final grade.
Our reputation isn’t marketing. It’s 221+ five-star reviews from neighbors who called, got honest answers and quality work, and told the next person. That’s how we grow.
“Building America One System at a Time”

Brandon Beierle was born and raised right here in Coeur d’Alene, and he’s spent his whole life in the pipeline trade — better than 25 years of it. Septic, sewer, water: to Brandon it’s all pipeline work, and he’s been solving problems in the ground since long before it was his own company.
It runs in the family. His dad, Kyle, put in 15 years as a Pipeline Specialist at Avista Utilities — the role model who taught Brandon the trade and still works shoulder-to-shoulder with him, chasing down the right solution on every job. That’s the CDA difference: not a guy who bought a septic truck, but two generations of real pipeline know-how, put to work for North Idaho homeowners.
He built CDA Septic Systems on doing the job right and telling people the truth — and it shows in a straight 5.0 across 221+ Google reviews, earned one honest job at a time. Off the clock, you’ll find him being the best uncle he can be to a handful of lucky kids. On the clock, he’s the one who shows up, does the work, and stands behind it.
Free estimates across Coeur d’Alene and North Idaho. Call now or request a quote online.
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