A team score of 408 for Oakdale – 25 strokes better than second place finisher Vista del Lago at 433 – saw the Lady Mustangs capture the Sac-Joaquin Section Division III championship.
It is the third straight blue banner for the golf girls, carding the low score at The Ridge Golf Club.
Leading the way was Andrea York with a 75, followed by Madison Blanc, 78; Makayla Christensen and Tori Blanc, 84; Kaylie Parola, 87; Shealyn Hanrahan, 88.
Taking third behind Oakdale and Vista del Lago was East Union, 450; Christian Brothers was fourth at 465 and Rio Americano rounded out the top five with a team score of 485.
Oakdale and Vista del Lago both qualified as teams to the Masters Tournament.