Houses. Isaac Brekken/AP hide caption

A home for sale earlier this month in San Francisco. Justin Sullivan/Getty Images hide caption

Housing has been one of the economy's bright spots. Steven Senne/AP hide caption

This home was under contract last month in Chicago. Scott Olson/Getty Images hide caption

A home construction site in Oceanside, Calif., earlier this month. Home prices continue to rise across the nation, though the pace appears to have slowed. Mike Blake /Reuters/Landov hide caption

Home prices increased during May in the S&P/Case-Shiller 20 City Home Price Index. Jae C. Hong/ASSOCIATED PRESS hide caption

A sale pending sign in front of a home in San Francisco on May 28. Justin Sullivan/Getty Images hide caption

This single family home was for sale last week in Encinitas, Calif. Mike Blake /Reuters /Landov hide caption

A home that was for sale earlier this month in Washington, D.C. Jonathan Ernst /Reuters /Landov hide caption

A newly built home in San Diego. Mike Blake /Reuters /Landov hide caption

A sign of the times in Boca Raton, Fla. (November 2012 file photo.) Joe Raedle/Getty Images hide caption

A "sold" sign outside a home under construction in Peoria, Ill., in October. Daniel Acker /Landov hide caption

A sold sign at a housing development in Boca Raton, Fla., earlier this month. Joe Raedle/Getty Images hide caption