The State Board of Equalization provides a guide on assessment appeals. Although the guide's title indicates that its focus is residential appeals, much of the same information applies to the filing of appeals on virtually any type of property. The guide may be viewed online.
The State Board of Equalization has published a video designed to provide information to taxpayers regarding the appeals process. The video is entitled Your Assessment Appeal and was developed as a collaborative effort between the Board's Taxpayers' Rights Advocate Office and the County-Assessed Properties Division. The video is available on the State Board's Website and is divided into segments.
State Board of Equalization frequently asked questions.
Sonoma County Assessor's office link to recent sales.