Welcome to AYSO Region 45

The American Youth Soccer Organization (AYSO), founded in 1964, is a nationwide non-profit organization that develops and delivers quality youth soccer programs in a fun, family environment based on Six PrinciplesEveryone Plays, Balanced Teams, Open Registration, Positive Coaching, Good Sportsmanship and Player Development. AYSO provides world-class youth soccer programs that enrich children’s lives. AYSO Region 45 provides soccer to over 2000 boys and girls in grades K-12 from Mountain View and the southern portion of Los Altos, but children from any area can register. We are an All-Volunteer organization so please consider Volunteering!

Fall 2018 Registration is still open
for 6Us and 19UG/16UG,
wait-listing all others

Please check http://ayso.bluesombrero.com/region45

Please use this web site for more detailed information about age requirements and eligibility as well as important dates and volunteer information.

If you have specific technical questions or need support from Blue Sombrero’s web site, please email them directly using their support contacts.

If you have any specific registration questions which you cannot find answers to here, please email registrar@ayso45.org. Send any other questions to rc@ayso45.org. Please allow at least two to three business days for a response.

We are currently seeking Fall 2018 Coaches and Referee volunteers! Please visit our Volunteers page for details.

Stanford Soccer on Sunday, September 30 at 5 pm

San Jose Earthquakes Day for AYSO Region 45:
Saturday, October 6 at 7:15 pm

Please check http://ayso.bluesombrero.com/region45 for more details.

New Volunteer Opportunities

Join our Volunteer Family in 2018!  We are a 100% volunteer run non-profit organization with over 2,000 players. We need over 600 volunteers annually for our U6 to U19 recreational and competitive programs. New coaches, referees, and board members are encouraged to come out and support our kids in the Mountain View community.  Parents and family members are what makes this program world class! The AYSO Region 45 Board is currently seeking a Volunteer Director, Fields Coordinators, Division Coordinators, and bi-lingual volunteers to help with registrations and scholarships programs. Please email volunteers@ayso45.org to learn more! Please follow this link for some information on certain roles.

Please explore the web site for more information about our program. It is for the kids!



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AYSO Region 45 2018 Summer Soccer Camps

Hosted by UK International Soccer Camps, Inc.


  • July 23 through August 10
  • Three consecutive weeks offered
  • Weekly half days for $130 and full days only $180 per week
  • Taught by Professional UK Coaches
  • A great way for kids to develop soccer before the season starts and to make new friends!
  • More info here
  • Register here