Orange County, California’s regular 2026 assessment appeal period ends November 30. This date applies to the regular annual assessment process. Supplemental, escape and other assessment notices can have different deadlines. The county’s official instructions explain the application and submission steps.
The source-linked guide explains where to find the county application and how to distinguish the regular deadline from other notice-specific dates.
Read the FairPath county guide
Official deadline and filing instructions
Read the county’s official instructions
California’s official 2026 regular appeal filing table
Deadline sources checked October 9, 2026. This reminder covers the regular assessment process; check the county’s current instructions and your notice for your situation.
FairPath provides document preparation. You review your information and file and present any appeal yourself.
Check your property free: FairPath's Orange County guide starts with your address and shows what the county's own record says.