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Welcome to the San Mateo Youth Softball Association

    2019 SMYSA Sponsors

    Thank you to our generous 2019 SMYSA Sponsors!
    The Dorn Family—Cheetahs
    Dryco Construction—Bumblebees
    Erik Rivera, Keller Williams Peninsula Estates—Butterflies
    Fuata Electric Inc.—Cubs
    Gehrels Custom Homes—Crickets
    Image Orthodontics—Falcons
    Ionpath, Inc.—Turtles
    Jersey Mike's Subs, San Mateo—Ladybugs
    JMB Construction, Inc.—Hornets
    Johnston's Saltbox—Hawks
    Morgan Construction—Lions, Owls
    Multi Craft Auto Body—Raccoons
    Northgate Acoustics—Leopards, Griffins
    Piazza's Fine Foods—Cardinals
    Riddell Sports—Caterpillars
    San Mateo County Deputy Sheriff’s Association—Cubs
    Shaughnessy Roofing—Lynx
    Shooting Stars—Eagles
    Spiteri's Auto Service—Caterpillars—Falcons
    The Steitz Family—Lions
    Velo City Pizza—Squirrels
    Wilson Ku State Farm Insurance—Lil' Otters

    If you would like to become a SMYSA Sponsor for the 2019 Season, please contact your child's coach/manager or Vince DeFriese at

    -Upcoming Events-

    Slammers Tournament Schedule

    MAY 31–JUNE 2
    Battle of the Bay, Millbrae
    8C-Gold, 8B-Green, 10C-White, 10C-Gold,
    10B-Green, 12B-Green

    Relay for Life, Hayward

    Summer Slam, Livermore

    Toyonaka Baseball Team Fundraiser

    Help support the San Mateo Sister City Association send the 2019 Toyonaka Baseball team (which includes 2 SMYSA players) to Japan at their Monte Carlo Night Fundraiser on June 15.

    Go to for more info.


    Pitcher/Catcher Clinics

    Clinics have ended. Thank you to all our young pitchers and catchers who came out to our weekly clinics this season. 

    Click to "Review clinic notes"
    Password: SMYSA

    Pitcher Mask Requirement

    New rule for 2019
    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.

    Stay up to date and visit NorCal USA

    SMYSA Non-Profit Tax ID# 94-3065828

     PO Box 6255

     San Mateo, CA 94403