Despite the pain of a still-deflating housing bubble and waves of foreclosures continuing to trickle into the market, some U.S. cities have been able to hold onto healthy real estate values. California, one of the states hardest-hit by the housing bubble and credit crunch, still has six of the 10 most expensive housing markets in the country. The prime indicator of whether a region's home prices held up during the recession or collapsed with the rest of the financial system is the local economy, experts say. Here's a look at the 10 most expensive housing markets in the United States, according to Coldwell Banker's Home Listing Report
Newport Beach, Calif.