One of the most famous office buildings in the world—and the official the residence of the President of the United States—is now worth only $251.6 million. At the top of the housing boom, the 132-room complex was valued at $331.5 million (still sounds like a bargain), according to Zillow, the online real estate marketplace. That reflects a decline in property value of about 24%.
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First Look: Foster + Partners, Fernando Romero win competition for Mexico City's newest international airport
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Trimble acquires Gehry Technologies, aims to create tools for linking office and job site
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