professional excavation services
Over 25 years of experience
do you have a project we can help with?
Professional Services
With over 25 years of experience, you can trust that you are in great hands with Seppanen Construction. We offer a variety of services including all things septic system related, septic to sewer converions, underground work, site preparation, brush mowing, property clearing, excavator mounted flail mower for road right of way and property clearing, fire break clearing, and more.
We are equipped and experienced, and will bring your project to life with the knowledge and professionalism you would expect and that you deserve.
Septic Systems
Read more about our Septic Systems Here
We offer a many types of septic systems including Advantex, NuWater, Glendon Biofilter, and Oscar Systems.
Septic to Sewer Conversions
Read more about septic to sewer conversions here.
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.
Site Preparation
Planning to build? We can help you get your site ready. We offer property clearing, utility ditching, water service taps, septic systems, water lines, power connections, phone connections, gas trenching, drainage piping, infiltration trenches, and more. Everything you need to get your project off the ground, we can do it.
Water Service Taps
Ready to hook up to water? We can do your water service tap, whether you have a well or city water, we can do it!
Brush Clearing
We offer brush clearing for site preparation as well as maintenance needs. Ready to reclaim your property?
With our excavator mounted flail mower we can do road right of way and property clearing, fire break clearing, and extensive brush mowing.
Get A Quote Today
Contact us for a free quote today!
