Homes in a Neighborhood


Showing: 15 of 5

  • Published on December 11, 2017

    On December 11, 2017, Pat Kerrigan interviewed William Rousseau, Sonoma County Clerk-Recorder-Assessor, and Erick Roeser, Sonoma County Auditor-Controller Treasurer-Tax Collector on KSRO’s Sonoma County Morning News show. They discussed the property tax questions that have been on the minds of everyone who owns property damaged by the fires. 

  • Published on November 1, 2017 at 3:55 PM

    Beginning Monday, November 6, 2017 the Sonoma County Assessor’s office will send teams of two appraisers to the affected fire areas to inspect fire damaged properties.

  • Published on October 30, 2017

    On October 15, 2017, George Adair of Bay Equity Home Loans spoke with William Rousseau, Sonoma County Clerk-Recorder-Assessor on KSRO radio. In the aftermath of the fires, Bill answers many of the questions that are on the minds of property owners

  • Published on July 12, 2017

    Search 2017 Assessed Value and Change Notices online. Please note that you will need the Assessor's Parcel Number or street address to search parcel information.

  • Published on July 12, 2016

     The Sonoma County Assessor has posted the annual assessed value and change notices on their website.

    All you need is your assessor’s parcel number, or the property address.

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William F. Rousseau

County Clerk-Recorder-Assessor-Registrar of Voters

Business Hours
Monday – Tuesday
8:00 AM – 5:00 PM
8:00 AM – 4:00 PM
Thursday – Friday
8:00 AM – 5:00 PM

Note: Document processing and fee transactions end 30 minutes prior to closing


Assessor's Office

585 Fiscal Drive
Room 104F
Santa Rosa, CA 95403
38.4659106, -122.7251807