Koch Hazard Architects

Koch Hazard Architects is a leading architecture, interior design, and planning firm founded in 1961, located in Sioux Falls with 15 architects, planners, and interior designers. For over 60 years, the firm has established a reputation for design excellence and innovative solutions across Eastern South Dakota and beyond.

Recognition: More AIA South Dakota Design Awards in the past twenty years than any other firm in the state. Co-founded the Sioux Falls Design Center under the South Dakota Architecture Foundation.

Contact: Phone: (605) 336-3718 | Address: 431 N Phillips Ave, Suite 200, Sioux Falls, SD 57104 | Website: kochhazard.com