24-7 UK Soccer Academy are the official trainers of Castro Valley, Montclair and Piedmont Soccer Club. Below you can find the tryout information at each of the clubs...
Castro Valley United:
http://castrovalleysoccer.com/home/776061.html
Montclair Clippers:
http://www.montclairsoccerclub.org/clippers-competitive-program/competitive-team-tryouts/
Piedmont Highlanders:
http://www.piedmontsoccer.org/pages/highlanders/tryouts.php