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Registrar of Voters

Registrar of Voters
County Of Sonoma › Administrative Support & Fiscal Services › Registrar of Voters
Registrar of Voters

Picture of the sidewalk outside of the Registrar of Voters Office at sunset. A large green sign at the right says, "County of Sonoma 435 Fiscal Drive Registrar of Voters."

Registrar of Voters Office

The Registrar of Voters Office performs a range of election-related duties and and other public services that increase citizen participation and education.

Important Announcement

As of July 1, 2025, the Sonoma County Registrar of Voters Office is its own department and is no longer a division of the Sonoma County Clerk-Recorder-Assessor department. The head of the new stand-alone Registrar of Voters department will be selected and appointed by the Sonoma County Board of Supervisors rather than elected by the voters. The Clerk-Recorder-Assessor will remain an elected office. For more information, see this press release from January: Board of Supervisors approves plan to separate Registrar of Voters from other elected duties.

November 4, 2025, Uniform District Election

Special District Offices

  • Seven special districts have seats up for election this November. Click here for the full list (current as of June 27; still subject to change).
  • Candidate nominations for the above districts open July 14 at 8:00 a.m. and close August 8 at 5:00 p.m.
  • Not sure if you reside in one of these districts? Use our District & Elected Official Lookup.

Placing Measures on the Ballot

  • The deadline for any local governing body (county, city/town, school district, special district) to place a measure on the ballot for the November 2025 Election is August 8 at 5:00 p.m.

More Info

Voter Quick Links

Small, clickable graphic. On left are the words, 'REGISTER TO VOTE.' On right are the words, 'VOTE CALIFORNIA REGISTERTOVOTE.CA.GOV' with the California state grizzly bear symbol. Small, clickable graphic that says 'pre-register at sixteen. vote at eighteen.' in large font, followed by '16 and 17 year olds can now pre-register to vote online.' at the bottom in much smaller font. Small, clickable graphic. On left are the words, 'CANCEL YOUR REGISTRATION.' On right is a drawing of a piece of paper with a red 'X' mark over it. Small, clickable graphic. On left are the words, 'BECOME A POLL WORKER' in large font. On right is a cartoon drawing of a bear with an 'Elections Official' tag standing to the right of a table that says, 'Polling Place Check-In.' Small, clickable graphic. On right are the words, 'MY VOTER STATUS.' On left is an outline of California's state lines with a red star. Small, clickable graphic. In center are words, 'VOTER BILL OF RIGHTS.' On left is a cartoon drawing of a bear looking head-on with an 'I Voted' sticker on its chest. On right is a drawing of a piece of paper with a quill pen writing on it. Small, clickable graphic. On right are the words 'VOTE BY MAIL INFORMATION.' On left is drawing of a hand dropping an envelope into a mailbox.

News

Press Release

July 14, 2025

Sonoma County to appoint Evelyn Mendez as first standalone Registrar of Voters

Evelyn Mendez, a dedicated public servant with nearly 30 years of experience overseeing elections at the state and county level, is set to be appointed as the first standalone Sonoma County Registrar of Voters.

Read full story

July 10, 2025

Nomination period opens July 14 for Nov. 4 Uniform District Election

November 26, 2024

Deadline for voters to ‘cure’ ballot signature issues is December 2 at 5 p.m.

October 31, 2024

Early in-person voting expands this weekend for November 5 General Election

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