2022 San Mateo County elections

The 2022 San Mateo County elections were held on November 8, 2022, in San Mateo County, California, with nonpartisan blanket primary elections for certain offices being held on June 7. Two of the five seats of the Board of Supervisors were up for election, as well as all seven of the countywide elected officials, the Assessor-County Clerk-Recorder, the County Controller, the Coroner, the District Attorney, the Sheriff, the County Superintendent of Schools, and the Treasurer-Tax Collector.

Municipal elections in California are officially nonpartisan; candidates' party affiliations do not appear on the ballot.

Board of Supervisors District 2
Incumbent District 2 Supervisor Carole Groom was term limited and unable to run for reelection. San Mateo-Foster City School District Trustee Noelia Corzo beat Belmont City Councilmember Charles Stone in a runoff.

Advanced to runoff

 * Noelia Corzo, San Mateo-Foster City School District trustee
 * Charles Stone, Belmont city councilmember

Eliminated in primary

 * Cameron Rolfe

Declined

 * Chelsea Bonini, San Mateo County Board of Education trustee
 * Diane Papan, San Mateo city councilmember (ran for state assembly) 
 * Shara Watkins, San Mateo-Foster City School District trustee 

Board of Supervisors District 3
Incumbent District 2 Supervisor Don Horsley was term limited and unable to run for reelection. Menlo Park City Councilmember Ray Mueller beat San Carlos City Councilmember Laura Parmer-Lohan to replace Horsley.

Advanced to runoff

 * Ray Mueller, Menlo Park city councilmember
 * Laura Parmer-Lohan, San Carlos city councilmember

Eliminated in primary

 * Steven Booker, labor union representative
 * Virginia Chang Kiraly, boards member of the Menlo Park Fire Protection District and San Mateo County Harbor District

Declined

 * Mike O’Neill, Pacifica city councilmember

Assessor-County Clerk-Recorder
Incumbent Assessor-County Clerk-Recorder Mark Church defeated David Pollack to win reelection. Church was first elected in 2010 and reelected in 2018.

Declared

 * Mark Church, incumbent assessor-county clerk-recorder
 * David Pollack

County Controller
Incumbent County Controller Juan Raigoza, first elected in 2014, ran unopposed for reelection.

Declared

 * Juan Raigoza, incumbent county controller

Coroner
Incumbent Coroner Robert Foucrault, who first assumed office in 2001 after the death of Coroner Adrian "Bud" Moorman died, defeated write-in candidate Mark De Paula to win reelection.

Declared

 * Robert Foucrault, incumbent coroner
 * Mark De Paula, write-in

District Attorney
Incumbent District Attorney Steve Wagstaffe, first elected in 2010, ran unopposed for reelection.

Declared

 * Steve Wagstaffe, incumbent district attorney

Sheriff
Incumbent Sheriff Carlos Bolanos, who first assumed office in 2016 after the resignation of Sheriff Greg Munks, lost to sheriff's captain and Millbrae chief of police Christina Corpus.

Declared

 * Carlos Bolanos, incumbent sheriff
 * Christina Corpus, sheriff's captain and Millbrae chief of police
 * Heinz Puschendorf, write-in

County Superintendent of Schools
Incumbent County Superintendent of Schools Nancy Magee, first elected in 2018, ran unopposed for reelection.

Declared

 * Nancy Magee, incumbent county superintendent of schools

Treasurer-Tax Collector
Incumbent Treasurer-Tax Collector Sandie Arnott, first elected in 2010, ran unopposed for reelection.

Declared

 * Sandie Arnott, incumbent treasurer-tax collector