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Site MapBrian Seppanen2025-01-08T20:38:08+00:00
  • Home Page
  • About Us
  • Services
    • Septic System Install – New Septic System
    • Septic to Sewer Conversion – Update My Septic System
    • Underground – Site Preparation
    • Brush Clearing – Brush Mowing – Right of way clearing
  • Our Work
    • Septic to Sewer Conversion in Woodland, Washington – Cowlitz County
    • Septic System Installation on a sloped lot in Amboy, Washington – Clark County
    • Underground Project in Kalama, Washington – Cowlitz County
    • Brush Clearing in Vancouver, Washington – Clark County
  • Frequently Asked Questions – FAQ
  • Areas We Serve include Lewis County, Clark County, Cowlitz County, and Skamania County.
  • Toledo, Winlock, Vancouver, Kalama, Woodland, Amboy, Yacolt, Camas, Washougal, Ridgefield, La Center, and surrounding areas!
  • Get a Quote – Free Quote

We have over 25 years of experience in the excavation field. We specialize in septic systems, underground work, and septic to sewer conversions.

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Services

  • Underground

  • septic to sewer conversion

    Septic to Sewer

  • Septic Systems

contact us today

  • Office Address
    Seppanen Construction, LLC
    27208 NE 10th ave, unit 110
    Ridgefield, WA 98642

  • (360) 263-7950

  • email@seppanen.com

  • Monday – Friday: 7:00 AM – 5:00 PM

highlights
Excavator Mowing, Brush Clearing, Site Preparation, Land Clearing
Site preparation, utility trenching, excavation
Utility trenching, utility hook up, underground work, septic systems
Excavation, septic systems, trenching, mowing, clearing
Septic system, septic drainage field,
Utility trenching, septic ditch, septic system
Excavation, construction company, site preparation, dirt work
Utility ditching, water tap, power connection, property preparation, property clearing

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