Idaho Property Tax
Idaho Property Tax Calculator (2026)
Estimate Idaho property taxes, review the statewide effective rate, browse county pages, and connect tax costs to mortgage payment planning.
Estimated Effective State Rate
0.50%
Sample Annual Tax on $425,000 Home
$2,125
FHA State Tier
Standard FHA Tier
Counties Covered
42
FHA Limit Tier Context in Idaho
State Tier Signal
Most counties in this state follow the standard FHA floor framework.
FHA 1-Unit Floor
$541,287
FHA 1-Unit Ceiling
$1,249,125
What Homebuyers in Idaho Should Know
- Lower effective property taxes can support payment flexibility in some scenarios.
In the current NMC dataset, Idaho has an estimated effective property-tax rate of 0.50%, resulting in approximately $2,000 in annual property taxes on a $400,000 home.
Idaho County and Locality Pages
Highest property tax rates in Idaho
Among counties currently in the NMC dataset for this state.
- 1. Nez Perce County0.78%
- 2. Power County0.70%
- 3. Bannock County0.64%
- 4. Latah County0.64%
- 5. Jerome County0.63%
Lowest property tax rates in Idaho
Among counties currently in the NMC dataset for this state.
- 1. Custer County0.29%
- 2. Valley County0.30%
- 3. Teton County0.31%
- 4. Idaho County0.32%
- 5. Gem County0.33%
Ada County
Estimated effective rate: 0.52%
Adams County
Estimated effective rate: 0.36%
Bannock County
Estimated effective rate: 0.64%
Bear Lake County
Estimated effective rate: 0.41%
Benewah County
Estimated effective rate: 0.49%
Bingham County
Estimated effective rate: 0.50%
Blaine County
Estimated effective rate: 0.38%
Boise County
Estimated effective rate: 0.34%
Bonner County
Estimated effective rate: 0.38%
Bonneville County
Estimated effective rate: 0.50%
Boundary County
Estimated effective rate: 0.39%
Butte County
Estimated effective rate: 0.49%
Canyon County
Estimated effective rate: 0.52%
Caribou County
Estimated effective rate: 0.56%
Cassia County
Estimated effective rate: 0.41%
Clearwater County
Estimated effective rate: 0.54%
Custer County
Estimated effective rate: 0.29%
Elmore County
Estimated effective rate: 0.54%
Franklin County
Estimated effective rate: 0.40%
Fremont County
Estimated effective rate: 0.44%
Gem County
Estimated effective rate: 0.33%
Gooding County
Estimated effective rate: 0.51%
Idaho County
Estimated effective rate: 0.32%
Jefferson County
Estimated effective rate: 0.45%
Jerome County
Estimated effective rate: 0.63%
Kootenai County
Estimated effective rate: 0.44%
Latah County
Estimated effective rate: 0.64%
Lemhi County
Estimated effective rate: 0.35%
Lewis County
Estimated effective rate: 0.60%
Lincoln County
Estimated effective rate: 0.43%
Madison County
Estimated effective rate: 0.48%
Minidoka County
Estimated effective rate: 0.48%
Nez Perce County
Estimated effective rate: 0.78%
Oneida County
Estimated effective rate: 0.44%
Owyhee County
Estimated effective rate: 0.40%
Payette County
Estimated effective rate: 0.40%
Power County
Estimated effective rate: 0.70%
Shoshone County
Estimated effective rate: 0.50%
Teton County
Estimated effective rate: 0.31%
Twin Falls County
Estimated effective rate: 0.61%
Valley County
Estimated effective rate: 0.30%
Washington County
Estimated effective rate: 0.49%
Need the National View?
Return to the national Property Tax Calculator to compare across states and scenarios.
Methodology and Data Sources
- Tax Foundation Facts & Figures: Property Tax as Percent of Home Value - State-level effective property tax rates (Updated: 2026-02-19)
- HUD/FHA Mortgagee Letter 2025-23 - 2026 FHA floor and high-cost ceiling frameworks (1-4 unit) (Updated: 2026-01-01)
Educational guidance only. Final loan terms and eligibility vary by county limits, credit, income, property profile, and lender guidelines.