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

100%of market value

Idaho assesses residential property at 100% of market value.

Idaho assesses property at 100% of market value.

Residential property in Idaho — understanding the appeal process

The Appeal Process

Appeals are heard by the Board of Equalization. An informal review is available before filing a formal appeal.

1

County Board of Equalization

2

State Board of Tax Appeals

3

District Court

Idaho Appeal Deadline

Deadline: Fourth Monday in June

Typical window: June

See all 50 state deadlines for 2026

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

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Idaho Counties

Guides & Resources

Property Tax Appeal Resources

Frequently Asked Questions

How do I appeal my property tax in Idaho?
In Idaho, you file a appeal with the Board of Equalization. An informal review is available before filing a formal appeal. The process has 3 levels: County Board of Equalization, State Board of Tax Appeals, District Court.
What is the Idaho property tax appeal deadline?
The deadline to appeal your property tax in Idaho is Fourth Monday in June. The typical window is June.
What is Idaho's property tax assessment ratio?
Idaho assesses residential property at 100% of market value. Idaho assesses property at 100% of market value.
How much can I save by appealing in Idaho?
The median home in Idaho is worth $334,000. If your assessment is 10% too high, you may be overpaying approximately $210 per year.