Nampa, Canyon County, Idaho Property Taxes

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Property Taxes in Nampa, Idaho

Median Nampa, 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 Nampa, Idaho home value: $381,700
Median annual Nampa, Idaho tax bill: $1,622, $778 lower than the national median property tax bill of $2,400.

How are property taxes in Canyon 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 April 13, 2026

Nampa, Canyon County, Idaho Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.4%

Estimate Property Tax Bill

$1,527

$1,417

How Does the Nampa Property Tax Calculator Work?

Use this Nampa property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Nampa's median effective tax rate of 0.40% — based on actual property records in Canyon 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 Nampa'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 Nampa: rates range from $1,482.00 in 83651 to $1,680.00 in 83686, 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 Nampa.

About Nampa Property Taxes

About Property Taxes in Nampa, Canyon, Idaho

Nampa’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 Canyon 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 Nampa. Homeowners in the 83687 ZIP code carry a median effective rate of 0.43%, while those in 83651 pay 0.40%. This spread — 0.03 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Canyon County. Understanding which part of Nampa you live in can make a meaningful difference to your annual tax bill.

Nampa 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 Nampa, Canyon 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 Nampa's effective property tax rate to other cities in Idaho and the median property tax rates in Idaho and the U.S.

Property Tax Rates Across Nampa, Canyon County, Idaho

Source: Ownwell

0.21%

0.32%

0.44%

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

0.40%

Median Effective Canyon County Tax Rate

0.39%

Median Effective Idaho Tax Rate

0.42%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Nampa, Canyon County, Idaho

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
83651	0.27%	0.35%	0.40%	0.52%	0.71%
83686	0.24%	0.32%	0.40%	0.46%	0.68%
83687	0.23%	0.31%	0.43%	0.51%	0.72%
83641	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Nampa, Canyon 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 Canyon 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 Canyon County are sent in June each year and typically reach your mailbox by the middle of the month. Each property owner receives a notice that includes both the market value and assessed value, along with an estimate of your property tax bill.

For example, the median home price in Nampa is $381,700, with tax bills ranging across the county. Zip code 83686 has the highest median home price at $409,350, while zip code 83651 has the lowest median tax bill at $1,482. Nampa’s median tax bill of $1,622 is below the national median property tax bill of $2,400.

Property Tax Assessment Values Across Nampa, Canyon County, Idaho

Source: Ownwell

$337,610

$615,885

$894,160

Median Nampa Market Value

$381,700

Median Canyon County Market Value

$379,900

Median Idaho Market Value

$389,309

Median United States Market Value

$235,294

Property Tax Assessment Values Across Nampa, Canyon County, Idaho

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
83651	$205,560	$296,100	$350,100	$414,050	$491,680
83686	$285,000	$339,700	$409,350	$519,732	$676,329
83687	$143,400	$313,000	$381,400	$478,800	$637,100
83641	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Nampa, Canyon County, Idaho

Property tax bills in Nampa are based on the assessed value of a home, not its market listing price. Local taxing authorities apply tax rates to that assessed value to determine the annual bill, so homes with higher assessed values generally owe more.

For many homeowners, the biggest factors are the home’s assessed value and the tax rate set for the area. With a median home price of $381,700, property tax bills can vary widely across the city. The 25th percentile tax bill is $1,145, while the 75th percentile is $2,252 and the 90th percentile reaches $2,904.

That means some homeowners pay below the national median property tax bill of $2,400, while others pay more. In Nampa, the median tax bill is $1,680 in ZIP code 83686 and $1,482 in ZIP code 83651. These differences can have a real impact on monthly housing costs and long-term affordability for homeowners.

Property Tax Bills Across Nampa, Canyon County, Idaho

Source: Ownwell

$970

$1,904

$2,838

Median Nampa Tax Bill

$1,622

Median Canyon County Tax Bill

$1,565

Median Idaho Tax Bill

$1,726

Median United States Tax Bill

$2,400

Property Tax Bills Across Nampa, Canyon County, Idaho

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
83651	$691	$1,055	$1,482	$2,059	$2,752
83686	$863	$1,236	$1,680	$2,283	$2,898
83687	$660	$1,077	$1,675	$2,363	$3,013
83641	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	June 22

Links
Canyon Tax Assessor
Website	id-canyon.publicaccessnow.com

Frequently Asked Property Tax Questions in Nampa, Idaho

How are property taxes calculated in Nampa, Idaho?

Property taxes in Nampa, Idaho are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Nampa, Idaho?

To appeal your property taxes in Nampa, Idaho, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Nampa, Idaho?

Common property tax exemptions in Nampa, Idaho include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Nampa, Idaho?

Property tax deadlines in Nampa, Idaho vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Nampa, Idaho?

Ownwell provides professional property tax appeal services in Nampa, Idaho. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.