Property Taxes in Kuna, Idaho
Median Kuna, Idaho effective property tax rate: 0.40%, significantly lower than the national median of 1.02%, and lower than the Idaho state median of 0.42%.
Median Kuna, Idaho home value: $389,200
Median annual Kuna, Idaho tax bill: $1,617, $783 lower than the national median property tax bill of $2,400.
How are property taxes in Ada calculated?
Property taxes in Kuna, 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 Kuna's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Kuna, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Kuna Property Tax Calculator Work?
Use this Kuna property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Kuna's median effective tax rate of 0.40% — based on actual property records in Ada County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal 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 Kuna'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 Kuna: rates range from $1,616 in 83634 to $1,864 in 83642, 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 Kuna.
About Kuna Property Taxes
About Property Taxes in Kuna, Ada, Idaho
Kuna’s median effective property tax rate of 0.40% is lower than the Idaho state median of 0.42% and lower than the national median of 1.02%. This rate reflects the Ada 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 Kuna. Homeowners in the 83642 ZIP code carry a median effective rate of 0.44%, while those in the 83642 pay 0.44%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Ada County. Understanding which part of Kuna you live in can make a meaningful difference to your annual tax bill.
Kuna homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the June 22, 2026 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 Kuna, Ada 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 Kuna'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 Kuna Tax Rate
0.40%
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 Ada County Tax Rate
0.46%
Median Effective Idaho Tax Rate
0.42%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Kuna, Ada County, Idaho
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 83634 | 0.32% | 0.36% | 0.40% | 0.46% | 0.60% |
| 83642 | 0.40% | 0.41% | 0.44% | 0.46% | 0.62% |
Source: Ownwell
Property Tax Assessment Values Across Kuna, Ada County, Idaho
When examining property taxes in Kuna, 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 Ada County assessment office 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 Ada County, assessment notices are sent in June each year. They'll typically reach your mailbox by the middle of June.
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 Kuna is $389,200, with tax bills ranging significantly across the county. 83634 has the highest median home price at $389,250.
Property Tax Assessment Values Across Kuna, Ada County, Idaho
Source: Ownwell
$363,150
$551,375
$739,600
Median Kuna Market Value
$389,200
Median Ada County Market Value
$454,500
Median Idaho Market Value
$389,309
Median United States Market Value
$274,101
Property Tax Assessment Values Across Kuna, Ada County, Idaho
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 83634 | $293,670 | $332,000 | $389,250 | $478,600 | $601,830 |
| 83642 | $345,900 | $359,150 | $384,800 | $454,400 | $475,620 |
Source: Ownwell
Property Tax Bills Across Kuna, Ada County, Idaho
Kuna property tax bills are based on the assessed value of a home and the local tax rate set for Ada County and other local taxing authorities. When a home’s market value rises, the assessed value can increase as well, which may lead to a higher bill. Your final property tax bill is determined by multiplying the assessed value by the applicable tax rate, with any exemptions or adjustments applied afterward.
For homeowners in Kuna, the median home price is $389,200, and that value helps explain why bills can vary widely from one property to another. The 25th percentile tax bill is $1,214, while the 75th percentile is $2,116 and the 90th percentile is $2,649. That range shows how location, home value, and local tax rates can affect what a homeowner pays each year.
Compared with the national median property tax rate of 1.02% and the national median property tax bill of $2,400, Kuna homeowners often see bills that are below the national median, though individual results depend on the home’s assessed value and local taxing districts.
Median Kuna Tax Bill
$1,617
Median Ada County Tax Bill
$2,170
Median Idaho Tax Bill
$1,726
Median United States Tax Bill
$3,209
Property Tax Bills Across Kuna, Ada County, Idaho
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 83634 | $948 | $1,213 | $1,616 | $2,115 | $2,651 |
| 83642 | $1,398 | $1,523 | $1,864 | $2,119 | $2,248 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 22 |
Links | |
|---|---|
| Ada Tax Assessor | |
| Website | apps.adacounty.id.gov |