[1] Bowen played for Galaxy Rios at the 2008 SUM U-17 Cup, and later helped the team win the Pacific Southern California Division of the USL Super-20 League.

Bowen played several games with Galaxy's reserves in the MLS Reserve Division towards the end of the 2008 season, and was formally signed by the senior LA Galaxy team on November 12, 2008, making him the first player in MLS history to be signed directly from his club's Youth Academy.

[2] He played during Galaxy's pre-season tour of Oceania in February 2009, and made his professional debut on April 7, 2009, in the Lamar Hunt U.S. Open Cup against Colorado Rapids.

[5] Bowen was traded to city rivals Chivas USA on December 15, 2010, in exchange for allocation money and a split of any future foreign transfer fee received for the player.

In January 2020, Bowen came out of a three-year retirement and signed with Oakland Roots SC ahead of the team's spring season in the National Independent Soccer Association.