Coos County Property Tax Appeal Guide
In Coos County, file your appeal by December 31, 2026 at Coos County Assessor's online portal.
| Deadline | File a petition with the clerk of the county Property Value Appeals Board (PVAB) during the period after the tax statements are mailed for the current tax year (statements are mailed by October 25) and ending December 31. If December 31 falls on a Saturday, Sunday, or legal holiday, the deadline moves to the next business day. |
|---|---|
| Lien date | January 1, 2026 |
| Appeal body | Property Value Appeals Board (PVAB) |
| Assessor / district | Coos County Assessor |
| Online portal | File online |
How to File a Appeal in Coos County
- Gather your assessment notice — it lists your account number and any access code
- File online through Coos County Assessor's portal or by mail
- State your grounds and submit evidence (comparable sales, a licensed appraisal, or photos of defects)
- Request an informal review to try to settle before a formal PVAB hearing