Slope County Property Tax Appeal Guide
In Slope County, file your appeal by Sequential boards of equalization. First appeal the assessor's valuation to the local board of equalization: township boards meet within the month of April and city boards meet within the first 15 days of April. Continue to the county board of equalization, which meets during the first 10 days of June. The final step is the State Board of Equalization, which meets the second Tuesday in August and may reduce an assessment only if the owner has appealed to BOTH the local and county boards. Exact local-board meeting dates vary by jurisdiction and are not a single statewide calendar date. at Slope County Director of Tax Equalization's online portal.
| Deadline | Sequential boards of equalization. First appeal the assessor's valuation to the local board of equalization: township boards meet within the month of April and city boards meet within the first 15 days of April. Continue to the county board of equalization, which meets during the first 10 days of June. The final step is the State Board of Equalization, which meets the second Tuesday in August and may reduce an assessment only if the owner has appealed to BOTH the local and county boards. Exact local-board meeting dates vary by jurisdiction and are not a single statewide calendar date. |
|---|---|
| Lien date | February 1, 2026 |
| Appeal body | local, county, and State Boards of Equalization (Board of Equalization) |
| Assessor / district | Slope County Director of Tax Equalization |
| Online portal | File online |
How to File a Appeal in Slope County
- Gather your assessment notice — it lists your account number and any access code
- File online through Slope County Director of Tax Equalization'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 Board of Equalization hearing