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

Services

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

© 2025 • Seppanen Construction • All Rights Reserved • Developed by Brenna Matson