Study: Dubai offers world's highest home prices

Sioux City has lowest U.S. home prices in Coldwell Banker report

Dubai, United Arab Emirates, is the most expensive international market for homes, while La Jolla, Calif., is the most expensive U.S. market, according to a price study released by the Coldwell Banker brokerage company.

The study compares homes with similar sizes and attributes in 315 U.S. markets and in Puerto Rico, Canada and a sampling of other countries where Coldwell Banker has operations.