About us

Double W Excavating and Construction is Northern Colorado's first choice for Septic System Installation, sewer and water line installation and repair, irrigation systems, and agricultural construction. From the Rocky Mountains to the Great Plains, we dig it all! Serving Larimer County, Weld County, Morgan County, Washington County, Adams County, Southern Wyoming and out to Nebraska.

Excavating excellence for your project

Northern Colorado's premier, Veteran-owned and operated general contractor specializing in septic system installation, water, sewer, and irrigation systems. We also perform site work, excavation and grading, demolition, erosion control, haul-off, and manufactured/modular building construction. We deliver quality work and stand behind our promises, ensuring your satisfaction from start to finish. Serving Colorado, Wyoming, and Nebraska.

Our Services

• Residential, Commercial, Industrial, Agricultural

• Septic System Installation and Repair

• Sewer Line Installation and Repair

• Water Line Installation and Repair

• Irrigation System installation and Repair

• Agricultural Building Construction

• Modular and Manufactured Home Installation

• General Contracting

• Demolition

• Post and Beam structures (Pole Barns), Steel Buildings, Decks, Sheds, and more!

Septic System Installation

Expert installation and repair of septic systems, ensuring compliance and functionality for your property.

General Contracting

Full-service general contracting to develop your ideas and manage projects from start to finish.

Our Projects

Explore our diverse range of excavation and construction projects.

Septic System

Expert installation and repair of septic systems and utilities.

Excavation Services

Professional grading and excavation for all your construction needs.