Septic Systems

Septic Systems must be done right the first time. We will properly install your septic system to ensure years of trouble free service and promote ease of maintenance. We are certified and competent to take on the most challenging sites.

Septic to Sewer

We offer septic to sewer conversions for clients in Clark & Cowlitz county.
If you’re interested in converting from a septic system to city sewer in your area, contact us.

Underground

Here in the Northwest, having good and reliable underground utilities is critical. We provide underground utility services to homeowners and contractors alike, throughout Clark and Cowlitz counties.

About Us

Seppanen Construction has been providing quality septic, underground & excavation services to Clark & Cowlitz County residents and contractors for over 20 years.

PROFESSIONALISM

EXPERTISE

EXPERIENCE

RELIABILITY

AREAS WE SERVE

CLARK COUNTY

Battle Ground
Camas
Hazel Dell
La Center
Orchards
Ridgefield
Vancouver

COWLITZ COUNTY

Castle Rock
Cougar
Kalama
Kelso
Longview
Woodland
Yale

EMPLOYMENT OPPORTUNITIES

Seppanen Construction, LLC is currently accepting employment applications. We provide year round reliable work with company paid employee health insurance. Download our Application to get started! Then send it back to us at email@seppanen.com