A 1950s Joseph Esherick home in Berkeley was updated by its owners in 2009 to include a new Japanese-inspired pavilion composed of two prefabricated, off-center rectangular volumes beneath a butterfly roof half clad with solar panels.  Photo 6 of 8 in 7 Coolest California Prefabs

7 Coolest California Prefabs

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A 1950s Joseph Esherick home in Berkeley, California, was updated by its owners in 2009 to include a new Japanese-inspired pavilion composed of two prefabricated, off-center volumes beneath a butterfly roof that's half-clad with solar panels.