All the candidates for the same elected office, regardless of respective political party, run against each other at once during the primary.
Incumbent Democrat Xavier Becerra won his first election after his appointment and confirmation to the office on January 24, 2017.
Incumbent Tom Torlakson was term-limited and was succeeded by Democratic state assemblymember Tony Thurmond.
Incumbent Republican Diane Harkey left office to run for the United States House of Representatives and was succeeded by Democratic former San Diego city councilmember and perennial candidate Mike Schaefer.
[2] Statewide Election Results from the California Secretary of State's Elections Division Official Board of Equalization District 1 campaign websites Official Board of Equalization District 2 campaign websites Official Board of Equalization District 3 campaign websites