Bull Construction

At Couloir Construction, we're more than just a luxury custom home builder in Jackson, Wyoming. We're your partner in creating a home that's truly yours. We work hands-on with every client from the first conversation to the final interior detail. Whether you're envisioning a luxury custom home in Jackson, a transformative renovation, or need a trusted general contractor in Jackson Hole, our team brings decades of experience, open communication, and meticulous craftsmanship to every project. We specialize in custom home building, construction services, and high-end renovations for clients who value quality, collaboration, and a home that reflects their lifestyle. If you're searching for a luxury home builder near you who will treat your dream as their own, we're here to bring it to life.

George Hartwell began the operations of Hartwell Excavating in 1950 as a small construction company focusing on digging basements and small utility work. In 1975, Kennaday Paving joined forces with Hartwell Excavating to create HK Contractors, Inc. As one of Idaho’s largest construction and material supply companies, we have also expanded our service area beyond Idaho Falls to include Montana and Wyoming. Through the years, we have received numerous local, state and federal awards including “Best Construction Project” for 1998, 2003 and 2004 from the U.S. Department of Transportation, Federal Highway Administration. In 2007, HK Contractors became part of the Oldcastle Materials team of companies.