Excluding the Greek Council and Order of Omega, as of Winter 2013, the Cal State LA Campus is home to 19 "social" fraternal organizations, 7 fraternities (2 new colonies), 9 sororities, and 2 co-ed fraternities.
Cal State LA's Greek System began with the establishment of the Alpha Theta Pi (ΑΘΠ) Sorority on November 15, 1948.