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March 7, 2023, Special Election

Sonoma County Voting

Basic Timeline

Note: In general, for dates that fall on a Saturday, Sunday, or county holiday, use the next regular business day for transactions. County holidays during this period include Thanksgiving Day (November 24, 2022), Day After Thanksgiving (November 25, 2022) Christmas Day (Observed) (December 26, 2022), New Year’s Day (Observed) (January 2, 2023), Martin Luther King Jr. Day (January 16, 2023), Lincoln’s Birthday (February 13, 2023), Presidents' Day (February 20, 2023), César Chávez Day (March 31, 2023).

Start Date Deadline Event
11/14/2022   Candidate nominations filing period opens (Timber Cove Fire Protection District only)
11/14/2022 12/9/2022 Candidate nominations filing period (Timber Cove Fire Protection District only)
12/7/2022 3/7/2023 90-day late contribution reporting period
12/7/2022 3/7/2023 90-day independent expenditure reporting period
  12/9/2022 Candidate nominations filing period closes (Timber Cove Fire Protection District only)
  12/9/2022 Consolidation deadline
  12/9/2022 Deadline for governing bodies to submit measures
  12/9/2022 Tax rate statement deadline (bond measures)
12/12/2022   Measure letter assignments
  12/14/2022 Deadline to amend/withdraw measure
12/15/2022   Random alphabet drawing
  12/16/2022 Argument deadline
  12/16/2022 Impartial analysis deadline
  12/23/2022 Rebuttal deadline (only if opposing arguments are filed)
  1/21/2023 Deadline to send ballots to currently registered military/overseas voters
1/26/2023 Deadline for first preelection campaign finance statement covering reporting period from 1/1/2023 to 1/21/2023
1/26/2023   First day County Voter Information Guides may be mailed
2/6/2023   Voting by mail opens; first day voters can pick up Vote-by-Mail ballots at the Registrar of Voters Office
2/6/2023   First day Registrar of Voters Office may begin to process Vote-by-Mail ballots
2/7/2023   Official Ballot Drop Boxes open
  2/21/2023* Standard voter registration deadline
2/21/2023   Deadline to file as a write-in candidate
2/22/2023†   Conditional (a.k.a. same day") voter registration period opens
2/22/2023† 3/7/2023 Conditional (a.k.a. same day") voter registration period
2/23/2023 Deadline for second preelection campaign finance statement covering reporting period from 1/22/2023 to 2/18/2023
  2/28/2023 Last day to request a ballot be mailed to you
3/7/2023   Election Day: Vote Centers are open from 7 a.m. to 8 p.m.
3/7/2023   Official Ballot Drop Boxes close at 8 p.m.
  3/7/2023 Conditional (a.k.a. "late"same day") voter registration period closes at 8 p.m.
  3/14/2023 Last day Registrar of Voters Office can accept Vote-by-Mail ballots postmarked no later than 3/7/2023
  4/6/2023 Deadline to certify election results

*Standard voter registration deadline has been moved from February 20, 2023, to February 21, 2023, due to the Presidents’ Day holiday.
†First day of conditional voter registration has been moved from February 21, 2023, to February 22, 2023, due to Presidents’ Day holiday.

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