Denver natives Devin, Shawn, and Jason Cooper founded Iris Building Group in 1998 to provide exceptional residential construction services to clients throughout the Denver Metropolitan area. The company has completed more than 140 projects since its inception. Our staff of professionals has a wealth of expertise in all facets of the construction process, including architectural design. Over the years, we have assembled an elite group of subcontractors who are well equipped to carry out even the most intricate residential construction projects. Since 1998, we have built a reputation for quality, customer service, and integrity.