$1M neighborhoods on the rise in coastal metros: Zillow

Since 2014, the U.S. has gained 346 new $1 million neighborhoods, which can be a good thing -- or a not-so-good thing, depending on how you look at it. According to Zillow, nearly one in 20 residential ZIP codes fall into this category because 10 percent of the homes in the area are worth $1 million or more ...