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California
Candidate profile

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Diane Papan

Diane Papan

Democratic · California · 2026 · Incumbent

Running for California Assembly District 21, California

Top priorities

From the campaign site

  • Investing in year-round wildfire prevention.
  • Amending the State Constitution to protect reproductive freedom, including access to contraceptives.
  • Expanding use of recycled and reclaimed water to address drought.
Biography

Diane Papan was first elected to the Assembly in November 2022 and represents the 21st District, covering the Bayside of San Mateo County from Brisbane to East Palo Alto, per her official Assembly biography. She previously served as mayor and a city councilmember for San Mateo. She is running for reelection as the Democratic candidate.

Campaign site (opens in a new tab)

On the ballot

California Assembly District 21California · 2026San Mateo County sample ballot

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Voting info and more

Voting info and more
How we source this

Profile facts follow official election office filings and the sources cited in each biography. Official sources are the final word on who appears on your ballot.

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