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2026 candidates we're tracking in CA-10
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Angela Griffiths
Republican
Angela Griffiths is a healthcare professional, small business owner, and community leader with over 30 years of experience in healthcare and public health advocacy. A fifth-generation Californian, she is running for the U.S. House in California's 10th Congress…
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Bob Rowland
Democratic
Bob Rowland is a Democratic candidate certified by the California Secretary of State for the June 2, 2026 U.S. House - CA-10 primary ballot. The certified ballot designation lists Commercial Land Broker.
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Jeff Frese
Republican
Jeff Frese is a Republican candidate certified by the California Secretary of State for the June 2, 2026 U.S. House - CA-10 primary ballot. The certified ballot designation lists Small Business Owner.
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Joshua Hamilton
Democratic
Joshua Hamilton is a Democratic candidate certified by the California Secretary of State for the June 2, 2026 U.S. House - CA-10 primary ballot. The certified ballot designation lists Entrepreneur/Community Organizer.
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Katherine Piccinini
Republican
Katherine Piccinini is a Republican candidate certified by the California Secretary of State for the June 2, 2026 U.S. House - CA-10 primary ballot. The certified ballot designation lists Retired Businesswoman.
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Mark DeSaulnier
Democratic
Mark DeSaulnier is a Democratic candidate certified by the California Secretary of State for the June 2, 2026 U.S. House - CA-10 primary ballot. The certified ballot designation lists United States Congressman.
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Mitchell Maisler
Democratic
Mitchell Maisler is a Democratic candidate certified by the California Secretary of State for the June 2, 2026 U.S. House - CA-10 primary ballot. The certified ballot designation lists Brewer.
About this race
California's 10th Congressional District elects one member of the U.S. House of Representatives to a two-year term. Every House seat in the country is on the ballot in 2026. The California primary is Tuesday, June 2, 2026, and the general election is Tuesday, November 3, 2026.