CoStar: How the data specialist came to dominate rental listings in the U.S.

After nearly 30 years providing data and analytics to the – commercial real estate industry, in 2014 Washington D.C.-based CoStar Group embarked on a radical change in direction. It acquired the apartment rentals site Apartments.com for $585 million, a move that triggered a string of similar acquisitions by the company over the next three years.