#8: Truckee-Nevada County, California
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Truckee, Calif. is located within Nevada County, the eighth most expensive urban area according to COLI data. It's the second of four California locations on this list, and the most populous city in Nevada County.
The median home sale price in Truckee was down 9.6 percent year-over-year in February, to $339,000. (CBS News)