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Welcome to the San Mateo Youth Softball Association

    Toyonaka, Japan Softball Team coming to San Mateo!

    Continuing the Sister City Softball exchange, the players of Toyonaka, Japan will be coming to play players from San Mateo during the week of August 3rd, 2020. This will be for players, ages of 11-13. Come to our parent informational meeting to learn more. This will be an experience of a lifetime!

    Make-up Tryouts & Round 2 Tryouts / Interviews—TBA

    Summer Hardware


    Your support will help us run our spring program, our summer San Mateo Slammers program, and provide scholarship assistance.

    All donations are tax deductable. 
    SMYSA Non-Profit Tax ID# 94-3065828

    SMYSA Fundraiser

    Get ready for Back To School with labels from Mabel's Labels. 20% of your purchase will go to SMYSA. Here's how you can help.

    -Go to
    -Click Support a Fundraiser ( top right corner) 
    -Search for your School, Organization or Camp> 
    -Enter #SMYSA San Mateo Youth Softball Association 

    -Upcoming Events-

    50th Anniversary Celebration

    Come celebrate 50 years of softball in San Mateo. We will be celebrating with players, coaches, parents, and many other supporters of Mid-Peninsula Bobby Sox, San Mateo Bobby Sox, and SMYSA...all are welcome. Additional info >

    Event details: There will be dinner, dancing, a photo booth, and cocktails!
    Feb 22, 2020
    CSM (Bay View Dining Room)

    Pitching/Catching Clinics

    FREE for SMYSA players!

    Sundays Sundays
    Beginners, 9-10am


    Advanced, 10-11am

    Chanteloup Field 3


    Chanteloup Field 3



    Picture Day/Hit-a-thon

    Sunday, Mar 1st
    Check schedule for time


    Pitcher Mask Requirement

    All pitchers in Minis, Minors, and Majors are required to wear a defensive fielder's mask while pitching.

    Youth Helpers

    Great opportunities for teens 13 years and older.

    Hotline 650-573-9455

    Stay up to date and visit NorCal USA

    SMYSA Non-Profit Tax ID# 94-3065828

     PO Box 6255

     San Mateo, CA 94403