Alluring adobe-brick houses of California here hint at the charms of a bygone age while offering, at the same time, a vision for home today. Adobe residences from the Spanish and Mexican eras were the original California houses. Architects, designers, builders, and homeowners today, as in the past, look to their simple, utilitarian features--such as plain, whitewashed walls, beamed ceilings, and intimate open-air courtyards--and try to emulate their...