Primarily a residential architect, he designs high quality custom homes in Colorado including rustic, southwestern, Santa Fe, resort and Tuscan styles. David Elfring Architect has designed homes on rural ranchland, Colorado mountain sites, and in high-end subdivisions. Included in this website is a guide to designing a custom home with the help of an architect. Building a custom home is a challenging process, but it can fulfill the dream of a lifetime. A successful design should respond to the client's needs and dreams. A good design produces a beautiful and dramatic, but efficient and cost effective home.