Yellow excavator on dark ground
⚙ Septic • Site Work • Excavating • Demolition

SC Underground Inc. — Septic, Excavating & Site Work in South Dakota. Where Your Vision
Takes Root.

SC Underground Inc. is South Dakota's go-to crew for septic, site work, utility trenching, excavating, and demolition. Run by Scott Creed — heavy iron, sharp grades, straight talk.

Recent Work

Boots In The Dirt

Septic system install on open prairie site

Septic system install on open prairie site

Deep trench with blue water main line

Deep trench with blue water main line

Full Detached Garage - Living Trusses

Full Detached Garage - Living Trusses

New Septic Drain Pipe From Home to Track

New Septic Drain Pipe From Home to Track

New Septic System - Wyoming

New Septic System - Wyoming

Septic cleanout and drain stack install

Septic cleanout and drain stack install

Built for SD Dirt

One Crew. Every Underground Job.

From new home sites to septic systems, trenching to demolition — we handle the dirty work so you can build what's next.