Colorado Commercial Contractors
Helping Build the Front Range Since 1937
Calahan Construction Services is headquartered in Lakewood, Colorado, and serves the Front Range. As one of the longest-serving Colorado commercial contractors, we’ve built a reputation for honesty, integrity, value, and high-quality construction projects delivered on time and budget.
Calahan Construction is a full-service commercial general contractor that delivers start-to-finish construction projects in the Front Range and beyond.
Since 1937, Calahan Construction has been a family-owned and -operated Colorado commercial contracting company. We take pride in helping expand and improve our community. From Fort Collins down to Colorado Springs, we deliver unmatched craft, value, and customer service.
We are committed to bringing the highest quality services to our clients, including:
The Front Range Urban Corridor is home to the majority of Colorado’s population and commercial industries. Our strong relationships with municipalities throughout the area benefit our clients in several ways. Calahan Construction’s knowledge of local permits and regulations helps keep projects on time and the application process streamlined.
We only partner with the most dependable and trusted subcontractors in Colorado. That means no matter where a project is, business owners can count on the best. During pre-construction consultations, our understanding of the region helps clients choose ideal new construction locations.
The Front Range Urban Corridor is home to the majority of Colorado’s population and commercial industries. Our strong relationships with municipalities throughout the area benefit our clients in several ways. Calahan Construction’s knowledge of local permits and regulations helps keep projects on time and the application process streamlined.
We only partner with the most dependable and trusted subcontractors in Colorado. That means no matter where a project is, business owners can count on the best. During pre-construction consultations, our understanding of the region helps clients choose ideal new construction locations.
The Front Range is not just our business headquarters—it’s home to the Calahan family. We take every opportunity we can to help better the community. We are associated with several businesses, programs, and organizations that help keep our community a wonderful place.
"*" indicates required fields