About Us

K/O Architects (Keffer/Overton) – aka K/O Fairground Planners, K/O Equestrian Livestock Designers, and K/O Entertainment Designers Planners. We are a full-service architecture and design firm specializing in master planning, architecture, interiors, and construction coordination located in West Des Moines, Iowa with many projects throughout North America. We focus on entertainment, fairground, historic preservation, renovation, restoration, repurpose, public, commercial, retail, and cultural/museums project types. We work on Offices, Cool Houses, and things like Concert Venues, Livestock Facilities, Arenas, Conference Centers, and Expo Halls.