COSTAR GROUP INC revenue for the last year amounted to 57.05 B MXN, the most of which — 22.25 B MXN — came from its highest performing source at the moment, Multifamily, the year earlier bringing 15.53 B MXN. The greatest contribution to the revenue figure was made by North America — last year it brought COSTAR GROUP INC 54.20 B MXN, and the year before that — 40.18 B MXN.