Centrally located in Sandpoint ID, Three Amigos Underground is a full-service excavation contractor dedicated to serving the entire Northwestern United States with precision excavation expertise.

We specialize in underground utility installations, directional drilling, vacuum excavation, and repair & maintenance services for clients in residential, commercial, agricultural, and industrial markets.

Our experienced specialists can install nearly any underground utility line or pipe with little to no impact on the environment while ensuring reliable performance for many years to come.

As a professional utility & irrigation line installation company, we offer the highest quality of work for all your construction needs, whether your project requires site grading, dirt work, boring, irrigation concerns, utility line installation, demolition and so much more.