CoStar Group, Inc. revenue for the last year amounted to 2.46 B USD, the most of which — 925.20 M USD — came from its highest performing source at the moment, CoStar, the year earlier bringing 836.98 M USD. The greatest contribution to the revenue figure was made by North America — last year it brought CoStar Group, Inc. 2.37 B USD, and the year before that — 2.11 B USD.