Idaho Property Tax 2026: 50% Homeowner's Exemption ($125K Cap) and Circuit Breaker

Idaho's Homeowner's Exemption protects 50 percent of home value (capped at $125,000) from property tax for primary residences. The Circuit Breaker Property Tax Reduction can lower eligible seniors' tax by $250 to $1,500 annually. This 2026 guide explains the exemption, the income tiers for Circuit Breaker, and the April 15 deadline.

How Idaho Property Tax Works

Idaho property tax is administered by 44 county assessors with oversight from the Idaho State Tax Commission. Properties are assessed at full market value annually.

The tax calculation

Homeowner's Exemption

Idaho's core homeowner benefit exempts 50% of the home's value (plus up to one acre of land), capped at $125,000.

Eligibility

• Owner must own and occupy as primary residence
• Residential, single-family dwelling, condo, or manufactured home

Automatic

Applied automatically by the assessor if the property is coded as primary residential. If not, file with the county assessor.

Circuit Breaker Property Tax Reduction

Idaho's Property Tax Reduction program (also called Circuit Breaker) reduces property tax for qualifying low-income seniors and disabled homeowners by $250 to $1,500 annually.

Eligibility categories

• Age 65+, OR blind, OR widowed, OR disabled, OR former POW or hostage, OR motherless/fatherless child under 18 (as of January 1, 2026)

Income thresholds for 2026 program (2025 income)

• Reduced tier (higher benefit): 2025 income after medical deductions less than $39,130
• Regular tier: 2025 income not more than $61,674

Benefit range

$250 to $1,500 depending on income tier and property tax liability.

Application

File between January 1 and April 15, 2026 with your county assessor. If approved, benefit appears on December 2026 property tax bill.

Other Exemptions

100% Disabled Veteran Circuit Breaker

Veterans with 100% service-connected disability from the VA have their own property tax reduction. No income limit.

Agricultural Exemption

Actively farmed land may be taxed on agricultural value rather than market value.

Appealing Your Assessment

Idaho appeals go through the county Board of Equalization and Idaho Board of Tax Appeals.

Step 1: Informal review

Contact the county assessor within the 30-day window after receiving the Notice of Value (mid-June typically).

Step 2: County Board of Equalization

File appeal by the 4th Monday of June.

Step 3: Idaho Board of Tax Appeals

Appeal to BTA within 30 days of BOE decision, or to district court.

Frequently Asked Questions

What is Idaho's Homeowner's Exemption?

An automatic 50% exemption of a primary residence's value plus up to one acre of land, capped at $125,000. Applied automatically by the assessor if the property is coded as primary residential; otherwise file with the county assessor.

Who qualifies for Idaho's Circuit Breaker?

Idaho residents age 65+, blind, widowed, disabled, former POW/hostage, or motherless/fatherless children under 18, with 2025 income under $39,130 (reduced tier) or $61,674 (regular tier). Benefit of $250 to $1,500 on property tax. File between January 1 and April 15, 2026 with your county assessor.

When is the Idaho property tax appeal deadline?

File with the county Board of Equalization by the 4th Monday of June. Appeal BOE decision to the Idaho Board of Tax Appeals or district court within 30 days. Informal review with the assessor within 30 days of the Notice of Value.

Are disabled veterans exempt from Idaho property tax?

Veterans with 100% service-connected disability from the VA qualify for a separate property tax reduction under the Circuit Breaker-type program. No income limit applies for this category.