Home - Rippeteau Architects Rippeteau Architects, PC, based in Washington, D.C., provides full service architecture from New York to Wisconsin, with an emphasis on alterations to notable existing buildings. The firm's work has received favorable public notice for over 25 years. With a focus on spaces for human interaction, Rippeteau brings an appreciation for the dynamics of events in daily activities, seeking to make workplaces interesting and convivial, for better relationships, communications, and teamwork.