Muir Commons is made up of 26 homes on just under three acres. Each individual house includes complete kitchens and private yards. The clustered homes face a central pedestrian pathway while the backyards face the outer edges of the site. Outdoor features at Muir Commons include a garden, an orchard, children's playground, lawns, and "nodes" to facilitate socializing. The extensive landscaping includes many drought-tolerant and native species. The 3,668 square foot Common House is the heart of the community and includes a large kitchen and dining area to accommodate community gatherings including shared meals. Other features include a sitting room with a fireplace, a children's playroom, an exercise room, a recreation room, an office, laundry room, and a guest room. Other shared facilities include a 900 square foot woodworking and automotive shop, parking areas, bicycle sheds, and a hot tub.