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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.

Statement from Registrar of Voters Evelyn Mendez
on Legal Challenges to Voting by Mail
(español, 中文, 韓語, नेपाली, Tagalog, tiếng Việt)

Portrait picture of Evelyn Mendez, Sonoma County Registrar of Voters.As the Registrar of Voters, I am monitoring developments in the courts that could impact legal challenges to United States Postal Service rules and how we serve our voters. Because the matters are still under consideration by the courts, we have no plans to implement new rules here in Sonoma County.

We understand that recent headlines about potential changes to election procedures may cause confusion. Unless we hear otherwise from the California Secretary of State, there will be no changes to Vote-by-Mail procedures in Sonoma County for the Nov. 3, 2026, General Election. We take great pride in being transparent, fair, and accurate. We want to encourage all our voters to trust the election processes and procedures we have in place to ensure our elections are safe and secure.

Click here to read full statement online (español, 中文, 韓語, नेपाली, Tagalog, tiếng Việt)

Click here to view/download PDF version of statement (español)

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.

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

October 5, 2026

Ballots begin going out in the mail today for November 3 General Election

Ballots for the November 3 General Election will begin going out in the mail today to all active, registered voters in Sonoma County, according to Sonoma County Registrar of Voters Evelyn Mendez. The ballots are expected to take between three and 10 days to arrive.

Read full story

September 28, 2026

County Voter Information Guides to begin going out for Nov 3 General Election

September 1, 2026

Statement from Evelyn T. Mendez (Chinese Traditional)

September 1, 2026

Statement from Evelyn T. Mendez (Tagalog)

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