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County of Sonoma, California

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Registrar of Voters

About The Registrar Of Voters

The Registrar of Voters Office is a division of the County Clerk/Recorder/Assessor’s Department, under the direction of an elected County Clerk. The Registrar of Voters Office performs a range of election-related duties, in addition to other public services that increase citizen participation and education.

Mission Statement

The Sonoma County Registrar of Voters Office is committed to the following goals:

  • To provide the highest level of service to the voters of Sonoma County
  • To eliminate barriers to participation in the democratic process
  • To educate youth as to the importance of the democratic process
  • To provide assistance to candidates, proponents and opponents of ballot measures and political jurisdictions in a fair and unbiased manner

Election-related Duties Include:

  • Conduct federal, state, and local elections held in Sonoma County
  • Register voters and maintain the voter registration file
  • Procure all polling places, and recruit all poll workers in Sonoma County
  • Provide information to candidates regarding the nomination process and campaign finance disclosure requirements
  • Maintain files of campaign committee financial statements (itemized listings of candidates’ and campaigns’contributions and expenditures)
  • Provide voter registration information and related campaign materials to candidates and campaigns

Public Services Include:

  • Provide proof of registration upon request (for example, for travel or school residency verification)
  • Provide procedural guides to candidates and campaigns
  • Conduct office tours upon request by schools, civic groups and clubs interested in a "behind-the-scenes" view of elections
  • Conduct training for individuals or groups organizing a voter registration drive
  • Conduct training for poll workers and other Election Officials
  • Provide speakers for functions by groups desiring information about voter registration, the elections process, and how to become a poll worker

Business Hours for the Registrar of Voters Office

Monday through Friday, 8 a.m. to 5 p.m.

To Visit the County of Sonoma Registrar Of Voters Office:

Work Address:
435 Fiscal Drive
Santa Rosa, CA 95403

A drive-up window is available for your convenience.

To Call the Registrar of Voters Office:

General Information:
(707) 565-6800 Work
Toll Free:
(800) 750-VOTE / (800) 750-8683 Work
TDD for hearing impaired:
(707) 565-6888
Fax:
(707) 565-6843 Work Fax

To Email the Registrar of Voters Office: Postal Address:

Voter Registration Information:
Vote by Mail Information:
Campaign Information:
Poll Worker Information:
Ordering maps and/or
Election Data:

To Write to the Registrar of Voters Office:

Postal Address:
Sonoma County Registrar of Voters
P.O. Box 11485
Santa Rosa, CA 95406-1485
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