Orange County FC was founded in 2009, and competed in the SoCal Premier League between 2009 and 2016.
NPSL
On November 15, 2016, the club announced that it would join the NPSL as an expansion team for the 2017 season.
2017 season
OCFC finished second in the NPSL Southwest in its inaugural season in the NPSL Southwest, with a record of ten wins, five draws, and only one defeat. The club qualified to the playoffs where it defeated Riverside Coras 1–0 in the Regional First round[2] and eliminated conference leader FC Arizona in the regional semifinal by a score of 2–0.[3] The victory meant that Orange County FC would qualify to the 2018 Lamar Hunt U.S. Open Cup.
OCFC eventually fell to CD Aguiluchos USA by a score of 1–0 in the Regional Final, one game away from reaching the national semifinals.[4]
2018 season
Orange County FC qualified to the West Region Playoff for the second year in a row after finishing third in the NPSL Southwest behind conference winners ASC San Diego and conference runners-up FC Golden State. OCFC finished the season with seven wins, four draws, and one loss.
OCFC defeated FC Arizona 3–0 in a Southwest Conference play-in match to advance to the regional quarterfinals.
After a 3–1 win over ASC San Diego in the Quarterfinals, OCFC defeated FC Golden State 4–2 to advance to the Regional Finals for the second season in a row and qualified to the 2019 U.S. Open Cup.[5] However, OCFC missed out on the national semifinals once again after a shocking 6–4 defeat to FC Mulhouse Portland on July 21, 2018.[6]
2020 season
The team was not listed as a member of the NPSL ahead of the 2020 season.