The club was formed in 1945 as a multidisciplinary sports club. Brown, which has never played in Primera División, reached its highest league position in the 1999–00 season, finishing in 1st place in Primera B Metropolitana tournament, but could not promote to Primera B Nacional, being defeated in the play-off semi-final.
In June 2013, Brown won the play-off series defeating Almagro at the finals by penalty shoot-out. Therefore the squad promoted to the upper division, Primera B Nacional, for the first time in the history of the club.