The Ballot Brief
Los Angeles County, California

California Assembly District 66

2 candidates are tracked for California Assembly District 66 on the November 3, 2026 ballot: Sara Deen and Paul Seo. Candidate information follows official Los Angeles County election filings; verify with the official election office linked below.

About this race

Sara Deen (Democratic) and Paul Seo (Democratic) meet on the November 3 ballot. The seat is open: Assemblymember Al Muratsuchi (Democratic), the sitting member per the Legislature's roster, is not on the November ballot. Both are Democrats: the top-two primary sends the two leading vote-getters to November regardless of party. June 2 top-two primary result: Paul Seo (DEM) 26.6 percent and Sara Deen (DEM) 24.6 percent advanced over Jessica Zonia Maldonado (REP) 21.9 percent, George Barks (REP) 15.9 percent, Scott Houston (DEM) 5.6 percent and 1 others, 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 › Los Angeles County › California Assembly District 66

Sara Deen

Sara Deen

Democratic

Top priorities
  • Lowering everyday costs and holding utility and insurance companies accountable
  • Expanding access to quality healthcare
  • Strengthening public schools

Per the campaign site.

Biography

Sara Deen is a family dentist and co-owner of a small urgent care clinic in Torrance who serves as president of the Palos Verdes School Board, per her campaign site. She is a Democratic candidate for California's 66th Assembly District.

Paul Seo

Democratic

Top priorities
  • Cracking down on corruption in Sacramento
  • Lowering the cost of living
  • Public safety, including funding for police, sheriff's deputies and the Highway Patrol

Per the campaign site.

Biography

Paul Seo is an Army veteran and the Mayor of Rancho Palos Verdes, per his campaign site. He previously worked as a deputy state attorney general and spent seven years at the Los Angeles County District Attorney's office prosecuting violent felonies, per the same source.

Next on your ballotCalifornia Assembly District 67

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Voting info and more

Voting info and more
Questions about this race

Who is running for California Assembly District 66 in 2026?

2 candidates are tracked for California Assembly District 66 on the November 3, 2026 ballot: Sara Deen and Paul Seo. Candidate information follows official Los Angeles County election filings; verify with the official election office linked below.

When is the California Assembly District 66 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 Los Angeles 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 Los Angeles 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 Los Angeles County sample ballot and your exact ballot by address.

The rest of your Los Angeles County ballot

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

Also on your ballot
California Assembly District 69Los Angeles County SheriffLA County Superior Court Judge, Office No. 64See all 41 Los Angeles County races
Candidate profiles
Sara Deen, full profilePaul Seo, full profileOfficial California election office