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Welcome to Orinda Baseball Association!

Spring 2019 registration is now open.  

The early bird A's ticket special is now over, but players and families may still buy tickets to the May 10th A's Fireworks game, through registration.  Don't miss out on this exciting OBA event, which will surely be a highlight of the 2019 season!!!

2019 OBA Opening Day is Saturday March 2. 

Mark your calendars!


2019 Key Dates

December 1       Spring registration opens
January 12-13    Pinto/Mustang/Bronco House league evals
January 13           Close of Spring Registration
January 15           Start of Pony and 680 Bronco/Mustang practice
February 4          Start of house league practice
February 15-18  OUSD 4-day holiday
March 2                OBA Opening Day Weekend
April 1-5               OUSD Spring break
April 21                 Easter (no games)
May 10                 OBA at the Oakland A's Fireworks Game
May 12                 Mother's Day (no games)
May 17-19           680 Playoffs (proposed)
May 25-27           Memorial Day
June 7                   Last Day of School

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Thank you to our 2018 OBA Sponsors!

Recent news from OBA


Join the OBA Mailing List

to have your email address, or multiple email addresses added to the OBA database, send your request to  Please make sure to include your player's spring age group.

The Fabulous 2017 OBA Handbook is here!!!!

Team Rosters, Rules, Awards, Sponsors. . . you name it, its in here.  Download it, Print it, memorize it.

Click the link below to view the awesome Opening Day video.

Orinda Divisions Pinto Mustang Bronco Pony