In June 2020, the team was accepted in the United Premier Soccer League with plans to begin play in Division 1 for the Fall 2020 season.[5] Following a delay, Capo debuted in Spring 2021 and went on to win the SoCal South championship. The team was promoted to the Premier Division for Fall 2021 where it finished the regular season undefeated in the SoCal North Conference.
On November 30, 2021, the club announced it would join NISA Nation as members of its brand new Southwest Region.[6]
Capo was announced as a new member of USL League Two in December 2022, with plans to begin play the following season.[7]