Serving the Cowichan Valley Regional District
Contact Duncan Septic Systems
Getting a quote from Duncan Septic Systems takes a minute. Send us the address, tell us what you need — install, repair, pump-out or inspection — and tell us what you're seeing. We'll book you a free on-site assessment anywhere in the Cowichan Valley, and we reply within 24 hours.
The more you tell us about the property and the system, the closer our estimate will be — include the address, the job, and anything you're seeing like backups or wet spots.
What happens next
- 1
Send the details — Fill in the quote form with the address, the service you need, and any symptoms like slow drains, backups, wet spots, or odours.
- 2
Free on-site assessment — We visit to check the system and the site, and for a new install we evaluate soil and setbacks before quoting.
- 3
Written quote — We send a clear written quote covering the work and, for new systems, the design and Island Health filing.
Service area
We cover the Cowichan Valley Regional District, from Duncan and Cobble Hill down through Shawnigan Lake and Mill Bay, and out to Cowichan Bay, Maple Bay, Lake Cowichan, and Chemainus.
See the septic cost guide for pricing, or see the full list of service areas.
Free, no-obligation quote
Get a septic quote in Duncan
Send a few details — we reply within 24 hours, with free on-site assessments across the Cowichan Valley Regional District.