County of Sonoma, California
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Vote by Mail Ballot Status Lookup

Note: The Voter Registration Lookup information is refreshed the first week of each month.
During a major election year this information is refreshed weekly, starting 2 months prior to the election date.
If you have recently registered or re-registered and your information does not appear to have been updated online, please check again at a later date or contact the Registrar of Voters office to confirm you are registered:

Please enter the following information to check if we have received and processed your Vote by Mail Ballot.

Sonoma County Voter Identification
  1. Enter 1 of the following: (required)