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San Dimas Youth Softball Association (SDYSA) is a girls fast pitch recreation league that offers Spring and Fall programs. SDYSA is a member of USA Softball and is open to girls from the San Gabriel Valley and the Inland Empire area of Southern California. We field teams in 14U, 12U, 10U, 8U & 6U.

2024 Fall - Teams Registration Open

  • The season will begin the first week of September and end the first week of November.
  • 16-games played for every team.
  • The season will conclude with an end of season single elimination tournament. First place teams will receive rings.

Fall 2024 Individuals Registration Open

  • Season will be eight weeks long starting in September.
  • Registration fee includes a jersey, umpire fees, USA softball registration fee and a refundable $50 snack bar fee. 

San Dimas Holiday Extravaganza 2023


Looking to make a difference in the community and have a positive impact on the league and the players? Consider joining the SDYSA Board! SDYSA is a community based, 100% volunteer organization and there are a wide range of positions available. 

Interested Members

Interested in learning more from one of our board members? Fill out the Google form here and a current board member will reach out.

2022 and 2023 Districts Winners

Congratulations to our 2023 SDYSA 10U All-Stars on winning the USA Softball Southern California Northern District C Tournament and advancing to States! Manager- Benny Marquez

Congratulations to our 2022 SDYSA 12U All-Stars on placing 3rd place at Districts and advancing to States! Manager- Mark Quiroz


500 N. Shellman Avenue, San Dimas, CA 91773

SDYSA Secretary

San Dimas Youth Softball Association

Phone: 909-572-0609

SDYSA President

San Dimas Youth Softball Association