How to Appeal Your Property Tax in Idaho
Idaho homeowners can appeal their property tax assessment if they believe it's too high. This guide covers the 2026 appeal deadline, required evidence, and step-by-step process.
2026 Appeal Deadline: Fourth Monday in June
Don't miss your window. Missing the deadline means waiting another full year.
How Idaho Assesses Property
Idaho assesses residential property at 100% of market value.
Idaho assesses property at 100% of market value.

The Appeal Process
Appeals are heard by the Board of Equalization. An informal review is available before filing a formal appeal.
County Board of Equalization
State Board of Tax Appeals
District Court
Idaho Appeal Deadline
What Overassessment Costs Idaho Homeowners
The median home in Idaho is worth $334,000. If your assessment is just 10% too high, you may be overpaying:
~$210/year
Effective tax rate: 0.63% · Median value: $334,000
Check Your Idaho Assessment
Enter your address to see your estimated overassessment and Idaho filing deadline.
Idaho Counties
Guides & Resources
Property Tax Appeal Resources
Best Appeal Services Compared
7 companies compared — pricing, coverage, and pros/cons for 2026.
2026 Appeal Deadlines
Every state's deadline, filing method, and what happens if you miss it.
Assessment Ratios by State
Every state's assessment percentage — from 4% to 100% — with worked examples.
9 Ways to Lower Your Property Taxes
From homestead exemptions to formal appeals — every method that works.
Savings Calculator
Check if you're overassessed — enter your assessed value to see potential savings.