After BJ Siegel, an architect and Apple's director of store design, and his wife, Danielle, purchased four acres of land in Sonoma County, they spent years camping on the site while figuring out how and where to build a home away from home.

Eventually they found Alchemy Architects' weeHouse, a prefab modular system, and fell in love with its clean lines and expanses of glass that would let the breathtaking views on their site take center stage. For this couple and their son, two boxes and luxe finishes completed the weekend home of their dreams.

Houzz at a Glance:

Who lives here: This is a weekend home for BJ and Danielle Siegel and their son, Jules.

Location: Santa Rosa, California

Size: The big box is 640 square feet (59.5 square meters); the small box is 450 square feet (41.8 square meters).

Designer: Geoffrey Warner of Alchemy Architects.

Since designing the first weeHouse for a Wisconsin site in 2003, Geoffrey Warner of Alchemy Architects and his team have customized more than 40 weeHouses for clients around the United States. For this project, the house was sited in an existing clearing with views of North Sonoma Mountain Regional Park. The property was already connected to power, water, and a septic tank, and could be accessed by a private road. –Camille LeFevre

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