Are you in need of excavation or septic installation services in or around Park Rapids, Minnesota? Look no further than Thelen’s Excavating & Septic! This family owned and operated business will provide you with the best excavation and septic installation services around. With years of experience and a commitment to quality, you can trust Thelen’s Excavating & Septic to get the job done right. Call today to learn more!

Thelen's Septic Pump Truck
Thelen’s Excavating & Septic can assist you with all your excavating needs, septic installation & system needs, sand & gravel needs, and demolition projects.


  • Class 5 Gravel
  • Screened & Unscreened Black Dirt
  • Fill 
  • Screened Sand
  • Beach Sand



  • Excavation:  Lot Clearing,  Basements, Footings, Driveways, Roads, Approaches, Culverts, Boat Landings
  • Septic System Design & Install
  • Holding Tank Design & Install
  • Septic Tank & Holding Tank Pumping and Maintenance
  • Demolition
  • Snowplowing
  • Materials
  • Steaming frozen sewer lines
  • Winter Logging