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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 little American flags, pens, and other trinkets on a table inside the main hallway/lobby of the Sonoma County Registrar of Voters Office

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.

Our Office Has Moved!

Effective February 2, 2026, the Sonoma County Registrar of Voters is located at 3880 Brickway Blvd, Santa Rosa, CA 95403. View the press release announcing the move (en español).

Outside view of building that will house the new Sonoma County Registrar of Voters Office on starting on February 2, 2026.

June 2, 2026, Statewide Direct Primary Election

Key Links

Key Dates

4/23 County Voter Information Guides begin going out in the mail
5/4 Ballots begin going out in the mail
5/4 First day voters can pick up Vote-by-Mail ballots at our office
5/4 First day voters can vote in person at our office
5/23-5/29 Seven Vote Centers are open daily - see Where to Vote in Person
5/30-6/2 32 Vote Centers are open daily (the original seven plus 25 more) - see Where to Vote in Person

For more information about this election, visit our June 2, 2026, Statewide Direct Primary Election page and/or the California Secretary of State's 2026 California Primary page.

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.

Press Release

March 9, 2026

Candidate nomination period for June 2 Statewide Direct Primary Election extended to March 11 for certain offices

Sonoma County Registrar of Voters Evelyn Mendez announced that candidate nominations for the following offices up for election in June have been extended to Wednesday, March 11 because one or more incumbents who were eligible to file did not do so by the March 6 deadline:

Read full story

February 4, 2026

Candidate nomination period opens February 9 for June 2 Statewide Direct Primary Election

January 28, 2026

Sonoma County Registrar of Voters Office moving to Airport Boulevard corridor

November 24, 2025

Deadline for voters to cure ballot signature issues is December 1 at 5 p.m.

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