Nampa, Bonneville County, Idaho Property Taxes
Median Nampa, Idaho effective property tax rate: 0.55%, significantly lower than the national median of 1.02%, but higher than the Idaho state median of 0.50%. Median Nampa, Idaho home value: $119,890. Median annual Nampa, Idaho tax bill: $664, $1,736 lower than the national median property tax bill of $2,400.
How are property taxes in Bonneville calculated?
Property taxes in Nampa, 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 Nampa’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Nampa, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Nampa, Bonneville County, Idaho Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.55%
Estimate Property Tax Bill
$659
$612
Property Tax Rates Across Nampa, Bonneville County, Idaho
Local government entities are responsible for setting property tax rates, which can vary significantly across different regions. Each year, counties estimate the budget necessary to provide essential services and divide this by the total assessed value of all taxable properties within their jurisdiction. This process determines the property tax rate for the area. Although votes and legislation play a role in finalizing tax rates and budgets, this is the core annual procedure.
In Nampa, located in Canyon County, Idaho, the effective property tax rate is 0.58%. This is notably lower than both the national median property tax rate of 1.02% and the Idaho state median rate of 0.69%. Such a low rate means that residents of Nampa enjoy lower property tax bills compared to many other parts of the country. For context, the national median property tax bill is $2,400, indicating that Nampa homeowners benefit from more affordable property taxes. This favorable tax environment can make Nampa an attractive option for property owners seeking to minimize their tax burden while still enjoying the benefits of local government services.
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 Nampa Tax Rate
0.55%
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 Bonneville County Tax Rate
0.46%
Median Effective Idaho Tax Rate
0.50%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Nampa, Bonneville County, Idaho
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
83686 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Nampa, Bonneville County, Idaho
When examining property taxes in Nampa, ID, 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 Canyon County Assessor's 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 Canyon County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. 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. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Nampa. For example, the median home price in Nampa is $119,890, with tax bills ranging significantly across the county. 83651 has the highest median home price at $119,890.
Property Tax Assessment Values Across Nampa, Bonneville County, Idaho
Source: Ownwell

$171,530
$363,220
$554,910
Median Nampa Market Value
$119,890
Median Bonneville County Market Value
$349,759
Median Idaho Market Value
$374,698
Median United States Market Value
$235,294
Property Tax Assessment Values Across Nampa, Bonneville County, Idaho
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
83686 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Nampa, Bonneville County, Idaho
Median Nampa Tax Bill
$664
Median Bonneville County Tax Bill
$1,646
Median Idaho Tax Bill
$1,894
Median United States Tax Bill
$2,400
Property Tax Bills Across Nampa, Bonneville County, Idaho
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
83686 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell