The game is growing fast, and more players means more teams and more games. The game needs more referees and CSL wants to invite you to become part of the referee community.
Cal South Referee Program administers the United States Soccer Federation referee license certification requirements. Once you are properly registered and approved by the State Referee Committee, you are then a U.S. Soccer Federation Referee and eligible for Coast Soccer League games.
The CSL Referee App makes your job easy! You can view your assignments, quickly photograph and submit match reports and enter game results while you're at the fields. Learn more by watching our short instructional video.

Before every match, make sure you have everything you need to run a smooth, professional game.
Understand the field layout to ensure a safe, positive environment where coaches can coach, referees can officiate with respect and players can play with joy.