Lien & Peterson Architects, Inc. was founded in 1979 by David Lien and David Peterson. The firm has offered full-service architectural design since its inception. In 1998, the firm added full-service structural engineering services to compliment the architectural design. Hydropower design services were also offered beginning in 1998. In 2006, we added hydropower construction supervision services to our list of services. The firm prides itself in providing our clients with innovative designs at a reasonable cost and we strive to provide excellence in each project that we undertake.