Founded in 1983, HDO architects planners is a full service architecture firm specializing in multi-family, mixed use and commercial construction projects. Based in Walnut Creek, Calif., it provides a full-range of services, including site planning, design, implementation and closeout. It operates across the San Francisco Bay Area and the Western United States. Some of the completed projects of HDO architects planners include Andalusia, Bellevue Avenue, Arioso, Olive Apartments and more. A few of its clients include Bay Rock Development, Silverstone Communities, Regis Homes of Northern California and Panoramic Interests.