OSSUA is a Washington State affiliate of USSSA. OSSUA provides high quality professional umpires for baseball, fast pitch and slow pitch softball leagues and tournaments in the South Puget Sound Region.
All umpires must be registered with OSSUA before they will be assigned games. If you are a new umpire who has submitted an application or you are returning for the 2020 season, please click the link below to complete your registration. We offer discounts on registration fees if you are under 18 or a member of one of our affiliated organizations.