California Softball Officals' Association (CSOA)

The California Softball Officials' Association (CSOA) offers the most current information available for the High School Softball Umpire .

Our goal is to be consistent in Softball Instruction and Officiating throughout the State of California in accordance with the California Interscholastic Federation-Sothern Section(CIF-SS) and National Federation High School Association (NFHS)

There are over 900 members enrolled in the fourteen California Softball Officials’ Association Units that are assigned games for over 650 CIF-Southern Section and certain areas of the CIF-Central Section high schools. The CSOA encompasses nearly 50% of all high schools in California.

Click here to learn more about the history of the California Softball Officials' Association.

CSOA Units

• Channel Coast
• Coachella Valley
• Foothill / Citus
• Inland
• Kern County
• Long Beach
• Los Angeles
• Los Padres (formerly Northern Channel Coast)
• Mojave
• Orange County
• San Fernando
• San Gabriel
• South Bay
• Victorville / Barstow