Kern County, California

California Senate District 12

2 candidates are tracked for California Senate District 12 on the November 3, 2026 ballot: Nathan Magsig and William Brown Jr.. Candidate information follows official Kern County election filings; verify with the official election office linked below.

About this race

Nathan Magsig (Republican) and William Brown Jr. (Libertarian) meet on the November 3 ballot. The seat is open: Sen. Shannon Grove (Republican), the sitting member per the Legislature's roster, is not on the November ballot. June 2 top-two primary result: Nathan Magsig (REP) 59.5 percent and William Brown Jr. (LIB) 26.5 percent advanced over Louis Anthony Miramontes (REP) 14.0 percent, per the Secretary of State's Statement of Vote. California's top-two primary decides who prints in November; the field is the Secretary of State's Certified List of Candidates for the General Election (August 27, 2026). This seat is elected by district; only the district covering your address appears on your ballot.

What this office does

State legislator. State legislators write and vote on state laws and the state budget, which fund schools, roads, prisons, universities and health programs, and set the rules for local governments and elections. Each member represents one district and serves on committees that shape bills before a floor vote. Terms are two years in most state houses and four in most state senates.

This race. Elected by district: only voters who live in the district see this race on their ballot.

California › Kern County › California Senate District 12

Nathan Magsig

Republican

Top priorities

Water infrastructure and agriculture
Wildfire and forest management
Public safety and law enforcement support

Per the campaign site.

Biography

Magsig is a Fresno County Board of Supervisors member for District 5 and a former mayor of Clovis, per the campaign site. His career has included work as a youth pastor, a legislative aide in the California Legislature, executive director of a nonprofit affordable housing developer, and energy director for the Fresno Economic Opportunities Commission, and he holds a master's degree in criminology and an MBA from Fresno State, per the campaign site.

Campaign site (opens in a new tab)

William Brown Jr.

Libertarian

Top priorities

Fiscal responsibility and reducing bureaucratic spending
Individual liberty and reduced government regulation
Trusting communities and individuals over centralized planning

Per the campaign site.

Biography

William Brown Jr. is a licensed clinical social worker and Marine Corps veteran who works as a social worker for incarcerated people, per his campaign site. He is the Libertarian candidate for California's 12th Senate District.

Campaign site (opens in a new tab)

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Voting info and more

Questions about this race

Who is running for California Senate District 12 in 2026?

When is the California Senate District 12 election in California?

Election Day is Tuesday, November 3, 2026. Registration deadlines, early voting dates and mail ballot rules for California are on the California election hub at theballotbrief.com.

How do I see my exact Kern County ballot?

Enter your ZIP code in the lookup at theballotbrief.com for the statewide and congressional races, or a full street address to add the county, city and district contests for that location.

Verify this race

Candidate roster from official Kern County and state election office filings. Bios and priorities carry their attribution inline.

Cross-check with the official California election office, or see the full Kern County sample ballot and your exact ballot by address.

The rest of your Kern County ballot

5 tracked races in Kern County, California. Landed here from another county's search? Look up your own ballot below.

Also on your ballot

California Assembly District 32 California Assembly District 34 California Assembly District 35 See all 5 Kern County races

Candidate profiles

Nathan Magsig, full profile William Brown Jr., full profile Official California election office