Home
/US Property Taxes
/Idaho
/Ada County
/Nampa

Nampa, Ada County, Idaho Property Taxes

  • Median Nampa, ID effective property tax rate: 0.43%, significantly lower than the national median of 1.02%, but lower than the Idaho state median of 0.50%.

  • Median Nampa, ID home value: $687,400

  • Median annual Nampa, ID tax bill: $3,003, $603 higher than the national median property tax bill of $2,400.

How are property taxes in Ada calculated?

Property taxes in Nampa, ID 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, Ada County, Idaho Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.37%

Estimate Property Tax Bill

$2,712

$2,516

Ownwell’s Nampa Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Nampa with just two data points. By entering your property's estimated assessed value, our calculator applies Nampa’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Ada County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Nampa, Ada County, Idaho

Local government entities set tax rates, which can vary widely within a state. This is 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 Nampa’s effective property tax rate to other cities in Idaho and the median property tax rates in Idaho and the U.S. Nampa, located in Ada County, has a median property tax rate of 0.43%, which is significantly lower than the national median of 1.02%. This lower tax rate can be appealing to property owners seeking to reduce their tax burden. When considering property taxes, it's important to weigh the benefits of living in an area with lower rates against the services provided by local governments. With a median property tax bill well below the national median of $2400, Nampa represents an attractive option for those looking to save on property taxes.

Property Tax Rates Across Nampa, Ada County, Idaho

Source: Ownwell

0.29%

0.53%

0.77%

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

0.37%

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

1.02%

Property Tax Rates Across Nampa, Ada County, Idaho

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
836870.31%0.35%0.37%0.41%0.47%

Source: Ownwell

Property Tax Assessment Values Across Nampa, Ada County, Idaho

When examining property taxes in Nampa, 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 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 Ada 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 $687,400, with tax bills ranging significantly across the county. 83687 has the highest median home price at $687,400.

Property Tax Assessment Values Across Nampa, Ada County, Idaho

Source: Ownwell

$363,150

$551,375

$739,600

Median Nampa Market Value

$732,900

Median Ada County Market Value

$454,500

Median Idaho Market Value

$389,309

Median United States Market Value

$235,294

Property Tax Assessment Values Across Nampa, Ada County, Idaho

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
83687$382,400$528,550$732,900$986,450$1,246,900

Source: Ownwell

Property Tax Bills Across Nampa, Ada County, Idaho

In Nampa, located in Ada County, ID, property tax bills are determined by the assessed value of a home, which is a percentage of its market value. This assessed value is then multiplied by the local tax rate to calculate the annual tax bill. Factors such as changes in market conditions and property improvements can influence the assessed value, impacting the tax bill. Homeowners in Nampa face a property tax bill where the 25th percentile is $1,926, and the 75th percentile reaches $4,408, indicating a range that reflects differences in property values and assessments. Compared to the national median property tax bill of $2,400, Nampa homeowners may experience lower or higher tax burdens depending on their property's assessed value. Ownwell can assist homeowners by analyzing their property tax assessments to identify potential savings. By appealing inaccurate assessments or applying for exemptions, Ownwell helps homeowners reduce their tax bills, ensuring they only pay their fair share.

Property Tax Bills Across Nampa, Ada County, Idaho

Source: Ownwell

$1,229

$3,214

$5,199

Median Nampa Tax Bill

$2,822

Median Ada County Tax Bill

$2,170

Median Idaho Tax Bill

$1,726

Median United States Tax Bill

$2,400

Property Tax Bills Across Nampa, Ada County, Idaho

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
83687$1,258$1,960$2,822$3,714$4,767

Source: Ownwell

Don't miss the deadline to appeal!