There are eight stadiums in use by California League baseball teams, all located in California. The oldest stadium is Excite Ballpark (1942) in San Jose, home of the San Jose Giants. The newest stadium for the 2026 season will be ONT Field in Ontario, home of the Ontario Tower Buzzers. Two stadiums were built in the 1940s, three in the 1990s, two in the 2000s, and one in the 2020s. The highest seating capacity is 10,650 at Chukchansi Park in Fresno, where the Fresno Grizzlies play. The lowest capacity is 2,468 at Valley Strong Ballpark in Visalia, where the Visalia Rawhide play.
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