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Serving Athletes from the 
Greater Tri-Valley Area Since 1997
Dublin | San Ramon | Danville | Pleasanton | Livermore | Castro Valley | San Leandro

Andrew Lonsdale, President/GM
(510) 909-6718
17915 Lamson Rd | Castro Valley, CA  94546

    Thunder Sox is on GAME CHANGER!

    The scoreboard below will display games played by our Summer Teams (13u, 14u, 15u, 16u, 17u and 19u)  as they happen throughout the summer.  

    Can't make it to a game but want to know whats happening? You can follow along on your mobile phone by using the GC application (available for both iPhone and Android). Click on the GC "Become a Fan of" badge on the T-SOX home page for team(s) you wish to follow.

    Want to know more about one of our Summer Teams?  
    Use this link then click on the Team's Tab

    Become a fan of
    Become a fan of
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    Our Partners

    These fine organizations make what we do possible. Please show your support to these amazing sponsors and thank them for their commitment to our organization. 

    Cathleen Lonsdale - RealtyOneGroup

    Visit Website

    As a 30-plus year resident of the East Bay, I "KNOW" your neighborhood.  After successfully owning my own Publishing Company for many years I've made the transition into the highly competitive East Bay Real Estate market. I bring 25 years of experience in marketing and sales to my real estate career. You can count on me to get it done!  


    For every home sold, we make a contribution to the Dublin HS Baseball team.

    Sponsored by Total Player Center

    Total Player Center

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    Sponsored by Prodigy Performance

    Prodigy Performance

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    Sponsored by Livermore Area Parks & Rec.

    Livermore Area Parks & Rec.

    Visit Website