You can file an Assessment Appeal Application online or by calling 530-889-4020. In order to appeal an assessment, you must file an Assessment Appeal Application with the Clerk of the Board between July 2 and September 15 (or the next business day if the September 15 falls on a weekend or holiday).
Should your value notice be the result of an Escape Assessment, you have 60 days from the date of the Notice of Enrollment of Escape Assessment to file an Assessment Appeal Application.