Clerk-Recorder-Assessor-Registrar of Voters
I am honored and excited to be serving as your Clerk-Recorder-Assessor and Registrar of Voters. Our office provides so many core vital services to the public and we believe in the importance of doing so fairly, efficiently and with great customer service.
I look forward to building on the successes we have had in the past, while embracing many future improvements.
Deva Marie Proto
Clerk-Recorder-Assessor-Registrar of Voters
On October 30, 2001, Sonoma County merged two previously separate departments, the Clerk-Recorder and the Assessor, into the combined Sonoma County Clerk-Recorder-Assessor-Registrar of Voters Department. This merger is an effort to provide better-integrated, efficient, and public-focused services to you, the Sonoma County taxpayer.
Assessor
The Assessor’s Office is responsible for providing accurate and timely property assessments and for determining eligibility for various property tax exemptions and exclusions.
Clerk-Recorder
The County Clerk's Office issues marriage licenses, filing fictitious business name statements, processing notary bonds, handles environmental documents, and performs civil marriage ceremonies. The County Clerk Division also issues certified copies of marriage, birth and death records on behalf of the County Recorder.
The Recorder's Office maintains various land and finance documents for Sonoma County. Typical land documents include deeds, leases, mining claims, subdivision maps, homestead declarations and records of survey. Typical finance documents include trust deeds, notices of default, reconveyances, and various liens. This division of the Clerk-Recorder-Assessor also collects the Documentary Transfer Tax when real property exchanges hands.
Registrar of Voters
The Registrar of Voter's Office registers Sonoma County voters and maintains the County’s voter registration file, conducts federal, state and local elections held in the county, files candidates’ campaign statements, and performs various other duties related to elections.
Upcoming Events
County Holidays
February 20, 2025
Sonoma County Historical Records Commission to recognize three at Collections and Archives ceremony
The Sonoma County Historical Records Commission today announced three recipients of its fourth annual Collections and Archives Recognition Awards. These awards recognize the accomplishments and contributions of individuals, groups, agencies, collections, or archives located within Sonoma County and focus on existing collections as well as recognizing special efforts to preserve and use archival material in promoting history and cultural preservation.
Additional Information
Office Location Map
Download a PDF map of our office locations with our hours and the services we offer!
Important Notice
Resources
Important Forms
Sonoma County Fire Recovery
Start by looking up the Assessor's Parcel Number (APN) with this tool using the full, or partial address