CoStar Group, Inc., one of the world’s largest providers of commercial real-estate information and analytics, is in advanced talks to take its first major step into the residential data business by paying about $250 million for Homesnap Inc., according to people familiar with the matter.
Founded in 2012, Homesnap is a fast-growing company that provides residential real-estate brokers with apps and other technology for managing and analyzing their listings as well as the broader market. About 300,000 residential agents use…