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American Youth Soccer Organization Providing world class youth soccer programs that enrich children's lives.

Diamond Bar AYSO - Region 31

Register for a class on AYSO U

To register for a Referee class, visit the AYSO U online portal. or Click on the AYSOU tab from our website.

Login using your blue sombrero (DB AYSO) credentials and then Select the Live Courses tab. Click on the Sessions button under the course you are looking for to see course details.



Register for your course by clicking the Register button.


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National Partners

Contact Us

Diamond Bar AYSO

324 South Diamond Bar Blvd., #435
Diamond Bar, California 91765

Email Us: [email protected]
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