County Assessor

The Assessor's Office is a Division of the Clerk-Recorder-Assessor and is responsible for providing accurate and timely property assessments and for determining eligibility for various property tax exemptions and exclusions.

There are approximately 183,000 parcels of land in Sonoma County and the Assessor's Office is responsible for determining the assessed value of each parcel for property tax purposes in accordance with California's property tax laws.

We currently have a staff of 64 who perform this complex, challenging, and rewarding job.

You're invited to contact me at my office in the Assessor's Division.

William F. Rousseau
Sonoma County Clerk-Recorder-Assessor