Idaho City, Boise County, Idaho Property Taxes
Property Taxes in Idaho City, Idaho
Median Idaho City, Idaho effective property tax rate: 0.32%, significantly lower than the national median of 1.02%, and lower than the Idaho state median of 0.42%.
Median Idaho City, Idaho home value: $286,146
Median annual Idaho City, Idaho tax bill: $855, $1,545 lower than the national median property tax bill of $2,400.
How are property taxes in Boise calculated?
Property taxes in Idaho City, Idaho are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Idaho City's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Idaho City, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Idaho City, Boise County, Idaho Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.32%
Estimate Property Tax Bill
$916
$850
How Does the Idaho City Property Tax Calculator Work?
Use this Idaho City property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Idaho City's median effective tax rate of 0.32% — based on actual property records in Boise County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Idaho City's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Idaho City: rates range from 0.32% in 83631 to 0.32% in 83631, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Idaho City.
About Idaho City Property Taxes
About Property Taxes in Idaho City, Boise, Idaho
Idaho City’s median effective property tax rate of 0.32% is lower than the Idaho state median of 0.42% and lower than the national median of 1.02%. This rate reflects the Boise County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Idaho City. Homeowners in the 83631 ZIP code carry a median effective rate of 0.32%, while those in the same ZIP also pay 0.32%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Boise County. Understanding which part of Idaho City you live in can make a meaningful difference to your annual tax bill.
Idaho City homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Idaho City, Boise County, Idaho
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Idaho City’s effective property tax rate to other cities in Idaho and the median property tax rates in Idaho and the U.S.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Idaho City Tax Rate
0.32%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Boise County Tax Rate
0.31%
Median Effective Idaho Tax Rate
0.42%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Idaho City, Boise County, Idaho
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 83631 | 0.21% | 0.25% | 0.32% | 0.39% | 0.51% |
Source: Ownwell
Property Tax Assessment Values Across Idaho City, Boise County, Idaho
When examining property taxes in Idaho City, Idaho, understanding the distinction between market value and assessed value is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Boise County appraisal district estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In Boise County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. For example, the median home price in Idaho City is $286,146, with tax bills ranging significantly across the county. Zip code 83631 has the highest median home price at $286,146.
Property Tax Assessment Values Across Idaho City, Boise County, Idaho
Source: Ownwell
$142,660
$317,334
$492,008
Median Idaho City Market Value
$286,146
Median Boise County Market Value
$373,992
Median Idaho Market Value
$389,309
Median United States Market Value
$235,294
Property Tax Assessment Values Across Idaho City, Boise County, Idaho
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 83631 | $22,845 | $127,451 | $286,146 | $444,664 | $615,489 |
Source: Ownwell
Property Tax Bills Across Idaho City, Boise County, Idaho
Property tax bills in Idaho City are calculated by applying the local property tax rate to the assessed value of a home, which is based on its market value. For a home with a median market value of $286,146, the final bill depends on how local taxing authorities set rates and how the property is classified. In Boise County, homeowners may see wide differences in what they owe because tax bills reflect both property value and the specific levies that apply to each parcel.
For many homeowners, the bill is a major part of annual housing costs. The 25th percentile tax bill is $365, while the 75th percentile is $1,338 and the 90th percentile is $1,932. The median tax bill is $855 in ZIP code 83631, which is well below the national median property tax bill of $2,400. That means property taxes in Idaho City are often lower than the national norm, but they still rise or fall as assessed values and local rates change.
Median Idaho City Tax Bill
$855
Median Boise County Tax Bill
$1,090
Median Idaho Tax Bill
$1,726
Median United States Tax Bill
$2,400
Property Tax Bills Across Idaho City, Boise County, Idaho
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 83631 | $77 | $365 | $855 | $1,338 | $1,932 |
Source: Ownwell