COSTAR GROUP revenue for the last year amounted to 2.64 B EUR, the most of which — 1.03 B EUR — came from its highest performing source at the moment, Multifamily, the year earlier bringing 828.27 M EUR. The greatest contribution to the revenue figure was made by North America — last year it brought COSTAR GROUP 2.51 B EUR, and the year before that — 2.14 B EUR.