POSS Architecture and Interior Design

Since 1976, Poss has been a cornerstone of quality design and professional service. Founded in Aspen, Colorado, with additional offices in Carbondale, CO, and Boise, ID, our multidisciplinary team brings more than 150 years of combined experience in architecture and interior design.
At Poss, excellence is our standard-not an aspiration. We are known for delivering timeless, extraordinary design through a distinctly personal approach. Our work spans resorts, mixed-use developments, and private residences, earning an international reputation for design that is both innovative and enduring.

We combine deep expertise with creativity and collaboration, while actively cultivating emerging talent to ensure our practice remains dynamic and forward-thinking. With a diverse portfolio across the United States and beyond, we continue to expand into new markets, building meaningful partnerships and delivering exceptional results.