Trenching Services & More

If your project requires digging or excavation, there's only one name you need to remember: CMBSI. We're known for our expertise in a wide range of trenching services in Riverside, CA, and the rest of Southern California. Both commercial and residential customers depend on us to keep their projects running smoothly—and we always deliver. We even work with counties, schools, and public buildings. Call now to learn more about how we can help you.

What We Do

  • Augering
  • Foundation Excavating
  • Asphalt Breaking
  • Bollard Installation
  • Utility Trenching
  • Transformer Installation
  • Interior Trenching
  • Sewer Services