COSTAR GROUP INC revenue for the last year amounted to 41.70 B MXN, the most of which — 15.71 B MXN — came from its highest performing source at the moment, CoStar, the year earlier bringing 16.32 B MXN. The greatest contribution to the revenue figure was made by North America — last year it brought COSTAR GROUP INC 40.18 B MXN, and the year before that — 41.08 B MXN.