Zillow and Redfin have new data that reveals the most expensive suburbs in each U.S. state. The most expensive suburb in all of the U.S. is Montecito, California with a recent median sale price of over $5 million. Other pricey suburbs of note include Palm Beach, Florida, West University Place in Texas, Rye, New York, and Brentwood, Tennessee. Check out the whole list over at TravelAndLeisure.com Is it expensive where you live? Would you want to move somewhere as expensive as Montecito?