• Sonoma County Voting

    May 5, 2020 - Special Election

May 5, 2020
Timeline Calendar

General Election

Start DateDeadlineEvent
2/5/20205/5/202024 Hour Campaign Finance Reporting Period ($1,000)
2/7/2020Consolidation and measure deadline
2/7/2020Tax rate statements and bond measures deadline
2/8/2020Measure letter assignments
2/12/2020Deadline to amend/withdraw measure
2/17/2020Argument deadline
2/17/2020Impartial Analysis deadline
2/27/2020Rebuttal deadline (only if opposing arguments are filed)
3/6/2020 Military/Overseas 60 Day Ballots
3/26/2020 First day Voter Information Guides may be mailed
3/26/2020Deadline for 1st Pre-Election Campaign Finance Statement (1/1/2020 through 3/21/2020)
4/6/2020Vote by Mail opens (VBM)
4/19/20205/5/2020County of Sonoma 24 Hour Campaign Finance Reporting Period ($500)
4/20/2020Registration deadline
4/21/2020First day to process vote by mail ballots (10 business days)
4/23/2020Deadline for 2nd Pre-Election Campaign Finance Statement (3/22/2020 through 4/18/2020)
4/28/2020Deadline to request VBM by mail
5/5/2020 Election Day (7a.m. to 8p.m.)
5/8/2020Last day to receive VBM ballot postmarked no later than 5/5/2020
6/4/2020Deadline to certify election results

*For dates that fall on a Saturday, Sunday or holiday, use the next regular business day for transactions

Contact Information

Deva Marie Proto

County Clerk-Recorder-Assessor-Registrar of Voters

Business Hours
Monday – Friday
8:00 AM – 12:00 PM

Temporary Limited Hours


Registrar of Voters

435 Fiscal Drive

Santa Rosa, CA 95403
38.4657357, -122.7251823
Mailing Address
PO Box 11485
Santa Rosa, CA 95406-1485
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