De Leon and Valenzuela, ranked 31st in the Oracle ITA Division I Women's National Doubles Preseason Rankings issued in September, were the third seed in the tournament while Sherif Ahmed and Maddox were the second seed.
De Leon and Valenzuela upset eighth-ranked and the Regional's No. 1 seed, Palina Dubavets and Stefani Stojic from UC Santa Barbara, in the semifinal on Sunday.
De Leon and Valenzuela are 5-2 in competition this fall.
The Titans are back in action at the Jack Kramer Invitational on Thursday, Nov. 3, in Palos Verdes, Calif.
MONDAY'S RESULTS
Doubles Final
(2) Mayar Sherif Ahmed/Christine Maddox (PEPP) def. (3) Camille De Leon/Alexis Valenzuela (CSF), 6-3, 6-1