2026 rates for 44 counties
The median effective property tax rate in Idaho is 0.43% of a home's value, so a $300,000 home pays about $1,289 a year — below the national median of 1.07%. Most homeowners pay between 0.36% and 0.54%, from 0.25% in Gem County to 0.88% in Butte County. Use the calculator below or browse by county to find your exact rate.
Idaho's rates are moderate and it offers a homestead exemption that caps assessed value increases at 3% per year for owner-occupied homes. The state has seen significant in-migration from California, which has pushed home values up in the Treasure Valley. Taxes haven't risen as sharply as prices, though.
Calculate your estimated property tax in Idaho
Annual Property Tax
$644
Monthly Property Tax
$54
* This is an estimate based on the median tax rate. Actual taxes may vary based on local assessments and exemptions.
Property tax rates in Idaho
0.355%
25% of properties pay this rate or less
0.430%
50% of properties pay this rate or less
0.535%
25% of properties pay more than this rate
These percentiles show the range of property tax rates. 25% of properties pay less than the low rate, 50% pay less than the median, and 75% pay less than the high rate.
The difference between the 25th and 75th percentiles is 0.180%, indicating the variation in property tax rates within this area. Use the median (50th percentile) for the most typical estimate.
State averages sourced from Tax Foundation 2024 data. National median: 1.07%.
Based on the median rate of 0.430%. Actual taxes depend on assessed value and local exemptions.
| Home Value | Annual Tax | Monthly Equivalent |
|---|---|---|
| $150,000 | $644 | $54/mo |
| $250,000 | $1,074 | $89/mo |
| $350,000 | $1,503 | $125/mo |
| $500,000 | $2,148 | $179/mo |
| $750,000 | $3,222 | $268/mo |
| $1,000,000 | $4,295 | $358/mo |
The median effective property tax rate in Idaho is 0.43% of a home's value. On a $300,000 home that is about $1,289 a year, or $107 a month if it is paid through mortgage escrow. Your actual bill depends on your county and city rates and on any exemptions, such as a homestead exemption, that lower your taxable value.
Payment Schedule
Semi-annual
Due Date(s)
December 20 and June 20
Always verify exact deadlines with your local county assessor or tax collector, as dates can vary by municipality.
Get a reminder before Idaho's appeal and exemption deadlines, plus updates when relief programs change. Free, and you can unsubscribe anytime.