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 will become its own department and no longer be a division of the Sonoma County Clerk-Recorder-Assessor. 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 the County posted in January.
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
- Nov. 2025 Election Homepage
- Basic Timeline for Nov. 2025 Election
- Offices Up for Election in Nov. 2025
- Detailed Calendar of Events for Nov. 2025 Election
- Nov. 2025 Election Campaign Guide
Voter Quick Links
Deadline for voters to ‘cure’ ballot signature issues is December 2 at 5 p.m.
Signature “cure” forms that were sent to voters whose Nov. 5 General Election ballot envelope signatures were either missing or mismatched must be completed and received at the Sonoma County Registrar of Voters Office no later than Monday, Dec. 2, at 5 p.m., according to Deva Marie Proto, Sonoma County Registrar of Voters.
Upcoming Events
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