Areas We Serve
- Clark County, WA
- Battle Ground
- Hazel Dell
- Cowlitz County, WA
- Castle Rock
When city sewer isn't available homeowners turn to onsite septic systems.
There are many types of septic system technology and Seppanen Construction
can help you find the right one for your site.
Septic System Services
Providing underground utility services is just one way that Seppanen Construction
provides high-quality services to homeowner and contractor alike.
Underground Utility Services