The California League of Minor League Baseball is a Single-A baseball league in the United States. The league was founded in 1941, but ceased operations from 1942 to 1945 during World War II. The circuit reorganized in 1946 and was in continual operation through 2020. The 2020 season was cancelled due to the COVID-19 pandemic, and the league ceased operations before the 2021 season in conjunction with Major League Baseball's (MLB) reorganization of Minor League Baseball. In place of the California League, MLB created the Low-A West, an 8-team circuit divided into two divisions. Prior to the 2022 season, MLB renamed the Low-A West as the California League, and it carried on the history of the league prior to reorganization. In 2021, the Low-A West held a best-of-five series between the top two teams in the league, regardless of division standings, to determine a league champion.

A league champion has been determined at the end of each season by either postseason playoffs or being declared champion by the league office. In 2019, the first-half winner in each division (North and South) received a bye into the second round, or division series. Each division's second-half winner and wild card team, the team with the best winning percentage over the entire season to have not won either half of the season, faced each other in a best-of-three series. The winner of this mini-series met the division's first-half winner in a best-of-five series to determine division champions. Then, the North and South division winners played a best-of-five series to determine a league champion. As of 2022, the winners of each division from both the first and second halves of the season meet in a best-of-three division series, with the winners of the two division series meeting in a best-of-three championship series.

League champions Score and finalist information is only presented when postseason play occurred. The lack of this information indicates a declared league champion. YearChampionScoreFinalist 1941 Santa Barbara Saints 4–1 Fresno Cardinals 1942 1943 1944 1945 1946 Stockton Ports 4–0 Modesto Reds 1947 Stockton Ports 4–0 Santa Barbara Dodgers 1948 Santa Barbara Dodgers 4–3 Stockton Ports 1949 San Jose Red Sox 4–1 Ventura Yankees 1950 Modesto Reds 4–1 Stockton Ports 1951 Santa Barbara Dodgers 4–1 Visalia Cubs 1952 Fresno Cardinals 4–2 San Jose Red Sox 1953 San Jose Red Sox 4–2 Stockton Ports 1954 Modesto Reds 4–1 San Jose Red Sox 1955 Fresno Cardinals 3–1 Stockton Ports 1956 Fresno Cardinals 3–1 Stockton Ports 1957 Salinas Packers 3–1 Reno Silver Sox 1958 Fresno Giants 3–1 Visalia Redlegs 1959 Modesto Reds 4–2 Bakersfield Bears 1960 Reno Silver Sox — — 1961 Reno Silver Sox — — 1962 San Jose Bees 4–3 Reno Silver Sox 1963 Stockton Ports 2–0 Modesto Colts 1964 Fresno Giants — — 1965 Stockton Ports 2–0 San Jose Bees 1966 Modesto Reds — — 1967 San Jose Bees 2–0 Modesto Reds 1968 Fresno Giants 2–1 San Jose Bees 1969 Stockton Ports 2–1 Visalia Mets 1970 Bakersfield Dodgers — — 1971 Visalia Mets 2–0 Fresno Giants 1972 Modesto Reds 2–0 Bakersfield Dodgers 1973 Lodi Lions 2–0 Bakersfield Dodgers 1974 Fresno Giants 3–2 San Jose Bees 1975 Reno Silver Sox — — 1976 Reno Silver Sox 3–1 Salinas Angels 1977 Lodi Dodgers 3–0 Salinas Angels 1978 Visalia Oaks 3–2 Lodi Dodgers 1979 San Jose Missions 3–2 Stockton Ports 1980 Stockton Ports 3–0 Visalia Oaks 1981 Lodi Dodgers 3–2 Visalia Oaks 1982 Modesto A's 4–2 Visalia Oaks 1983 Redwood Pioneers 3–1 Visalia Oaks 1984 Modesto A's 3–1 Bakersfield Dodgers 1985 Fresno Giants 3–2 Stockton Ports 1986 Stockton Ports 3–0 Visalia Oaks 1987 Fresno Giants 4–3 Reno Padres 1988 Riverside Red Wave 3–0 Stockton Ports 1989 Bakersfield Dodgers 3–0 Stockton Ports 1990 Stockton Ports 3–2 Bakersfield Dodgers 1991 High Desert Mavericks 3–2 Stockton Ports 1992 Stockton Ports 3–1 Visalia Oaks 1993 High Desert Mavericks 3–2 Modesto A's 1994 Rancho Cucamonga Quakes 3–1 Modesto A's 1995 San Bernardino Spirit 3–0 San Jose Giants 1996 Lake Elsinore Storm 3–2 San Jose Giants 1997 High Desert Mavericks 3–0 San Bernardino Stampede 1998 San Jose Giants 3–1 Rancho Cucamonga Quakes 1999 San Bernardino Stampede 3–2 San Jose Giants 2000 San Bernardino Stampede 3–0 Visalia Oaks 2001 San Jose GiantsLake Elsinore Storm — — 2002 Stockton Ports 3–1 Lake Elsinore Storm 2003 Inland Empire 66ers 3–0 Stockton Ports 2004 Modesto A's 3–2 Lancaster JetHawks 2005 San Jose Giants 3–2 Lake Elsinore Storm 2006 Inland Empire 66ers 3–2 Visalia Oaks 2007 San Jose Giants 3–2 Lake Elsinore Storm 2008 Stockton Ports 3–1 Lancaster JetHawks 2009 San Jose Giants 3–0 High Desert Mavericks 2010 San Jose Giants 3–2 Rancho Cucamonga Quakes 2011 Lake Elsinore Storm 3–1 Stockton Ports 2012 Lancaster JetHawks 3–0 Modesto Nuts 2013 Inland Empire 66ers 3–0 San Jose Giants 2014 Lancaster JetHawks 3–2 Visalia Rawhide 2015 Rancho Cucamonga Quakes 3–0 San Jose Giants 2016 High Desert Mavericks 3–0 Visalia Rawhide 2017 Modesto Nuts 3–0 Lancaster JetHawks 2018 Rancho Cucamonga Quakes 3–0 Visalia Rawhide 2019 Visalia Rawhide 3–1 Lake Elsinore Storm 2020 2021 San Jose Giants 3–0 Fresno Grizzlies 2022 Lake Elsinore Storm 2–0 Fresno Grizzlies 2023 Modesto Nuts 2–0 Rancho Cucamonga Quakes 2024 Modesto Nuts 2–1 Lake Elsinore Storm 2025 San Jose Giants 2–0 Inland Empire 66ers 2026 Lake Elsinore Storm 2–1 San Jose Giants

Championship wins by team Active California League teams appear in bold. WinsTeamChampionship years13San Jose Red Sox / Bees / Missions / Giants1949, 1953, 1962, 1967, 1979, 1998, 2001, 2005, 2007, 2009, 2010, 2021, 202511Modesto Reds / A's / Nuts1950, 1954, 1959, 1966, 1972, 1982, 1984, 2004, 2017, 2023, 202411Stockton Ports1946, 1947, 1963, 1965, 1969, 1980, 1986, 1990, 1992, 2002, 20089Fresno Cardinals / Giants1952, 1955, 1956, 1958, 1964, 1968, 1974, 1985, 19876San Bernardino Stampede / Spirit / Inland Empire 66ers1995, 1999, 2000, 2003, 2006, 20135Lake Elsinore Storm1996, 2001, 2011, 2022, 20264High Desert Mavericks1991, 1993, 1997, 20164Reno Silver Sox1960, 1961, 1975, 19763Santa Barbara Saints / Dodgers1941, 1948, 19513Lodi Lions / Dodgers1973, 1977, 19813Rancho Cucamonga Quakes1994, 2015, 20183Visalia Mets / Oaks / Rawhide1971, 1978, 20192Bakersfield Dodgers1970, 19892Lancaster JetHawks2012, 20141Redwood Pioneers19831Riverside Red Wave19881Salinas Packers1957

Notes San Jose and Lake Elsinore were declared co-champions after playoffs were cancelled in the wake the September 11, 2001 terrorist attacks.

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