Homes stand on Ashton Street in the North Rosedale Park neighborhood of Detroit, Michigan, U.S., on Monday, April 1, 2013. Flawed appraisals and a dearth of normal, non-foreclosure sales to serve as comparisons have put mortgages out of reach for most potential buyers, even in the best neighborhoods like Grandmont Rosedale that are the focus of officials’ efforts to revive Detroit. Photographer: Jeff Kowalsky/Bloomberg via Getty Images