Casper, Natrona County, Wyoming Property Taxes

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Property Taxes in Casper, Wyoming

Median Casper, Wyoming effective property tax rate: 0.68%, significantly lower than the national median of 1.02%, and lower than the Wyoming state median of 0.65%.
Median Casper, Wyoming home value: $240,888
Median annual Casper, Wyoming tax bill: $1,620, $780 lower than the national median property tax bill of $2,400.

How are property taxes in Natrona calculated?

Property taxes in Casper, Wyoming 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 Casper's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Casper, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Casper, Natrona County, Wyoming Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.68%

Estimate Property Tax Bill

$1,638

$1,520

How Does the Casper Property Tax Calculator Work?

Use this Casper property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Casper's median effective tax rate of 0.68% — based on actual property records in Natrona 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 Casper'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 Casper: rates range from $1,430 in 82601 to $2,035 in 82609, primarily due to differences in school district levies and local assessment districts. Casper's median effective tax rate is lower than Wyoming's 0.65% state median tax rate, and the median tax bill of $1,620 is $780 lower than the state median tax bill.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Casper.

About Casper Property Taxes

About Property Taxes in Casper, Natrona, Wyoming

Casper’s median effective property tax rate of 0.68% is higher than the Wyoming state median of 0.65% and lower than the national median of 1.02%. This rate reflects the Natrona 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 Casper. Homeowners in the 82601 ZIP code carry a median effective rate of 0.69%, while those in 82604 pay 0.67%. This spread — 0.02 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Natrona County. Understanding which part of Casper you live in can make a meaningful difference to your annual tax bill.

Casper homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the March 31, 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 Casper, Natrona County, Wyoming

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 Casper's effective property tax rate to other cities in Wyoming and the median property tax rates in Wyoming and the U.S.

Property Tax Rates Across Casper, Natrona County, Wyoming

Source: Ownwell

0.41%

0.59%

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 Casper Tax Rate

0.68%

Median Effective Natrona County Tax Rate

0.68%

Median Effective Wyoming Tax Rate

0.65%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Casper, Natrona County, Wyoming

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
82601	0.62%	0.67%	0.69%	0.69%	0.69%
82604	0.56%	0.64%	0.67%	0.69%	0.69%
82609	0.61%	0.65%	0.69%	0.69%	0.69%
82620	N/A	N/A	N/A	N/A	N/A
82638	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Casper, Natrona County, Wyoming

When examining property taxes in Casper, Wyoming, 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 Natrona 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 Natrona County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of April.

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 Casper.

For example, the median home price in Casper is $240,888, with tax bills ranging significantly across the county. 82609 has the highest median home price at $308,627.

Property Tax Assessment Values Across Casper, Natrona County, Wyoming

Source: Ownwell

$8,734

$158,681

$308,627

Median Casper Market Value

$240,888

Median Natrona County Market Value

$230,437

Median Wyoming Market Value

$260,753

Median United States Market Value

$235,294

Property Tax Assessment Values Across Casper, Natrona County, Wyoming

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
82601	$40,408	$133,624	$208,928	$294,868	$433,112
82604	$55,225	$170,645	$242,008	$337,619	$465,794
82609	$148,861	$221,922	$308,627	$428,305	$577,903
82620	N/A	N/A	N/A	N/A	N/A
82638	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Casper, Natrona County, Wyoming

Property tax bills in Casper are based on the assessed value of a home and the local tax rate set for Natrona County. When a home’s market value changes, the assessed value can change too, which can affect the final tax bill. Factors such as location, property characteristics, and local taxing authorities all play a role in determining what homeowners owe.

For Casper homeowners, the median home price is $240,888, and the property tax bill can vary widely across the city. The 25th percentile tax bill is $1,104, while the 75th percentile is $2,319 and the 90th percentile reaches $3,253. The highest median tax bill is $2,035 in ZIP code 82609, compared with $1,430 in ZIP code 82601. These differences show how property taxes can affect homeowners unevenly, even within the same city.

Property Tax Bills Across Casper, Natrona County, Wyoming

Source: Ownwell

$55

$1,078

$2,101

Median Casper Tax Bill

$1,620

Median Natrona County Tax Bill

$1,554

Median Wyoming Tax Bill

$1,712

Median United States Tax Bill

$2,400

Property Tax Bills Across Casper, Natrona County, Wyoming

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
82601	$262	$897	$1,430	$2,013	$2,939
82604	$382	$1,138	$1,615	$2,224	$3,029
82609	$972	$1,482	$2,035	$2,870	$3,908
82620	N/A	N/A	N/A	N/A	N/A
82638	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	May 27

Links
Natrona Tax Assessor
Website	assessorsearch.natronacounty-wy.gov

Frequently Asked Property Tax Questions in Casper, Wyoming

How are property taxes calculated in Casper, Wyoming?

Property taxes in Casper, Wyoming 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 Casper, Wyoming?

To appeal your property taxes in Casper, Wyoming, 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 Casper, Wyoming?

Common property tax exemptions in Casper, Wyoming 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 Casper, Wyoming?

Property tax deadlines in Casper, Wyoming 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 Casper, Wyoming?

Ownwell provides professional property tax appeal services in Casper, Wyoming. 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.