Casper, Carbon County, Wyoming Property Taxes
Median Casper, WY effective property tax rate: 0.47%, significantly lower than the national median of 1.02%, but lower than the Wyoming state median of 0.65%.
Median Casper, WY home value: $88,040
Median annual Casper, WY tax bill: $483, $1,917 lower than the national median property tax bill of $2,400.
How are property taxes in Carbon County calculated?
Property taxes in Casper, WY 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 March 1, 2025
Casper, Carbon County, Wyoming Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.47%
Estimate Property Tax Bill
$414
$384
Property Tax Rates Across Casper, Carbon County, Wyoming
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
0.47%
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 Carbon County Tax Rate
0.58%
Median Effective Wyoming Tax Rate
0.65%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Casper, Carbon County, Wyoming
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
82604 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Casper, Carbon 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 Carbon 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.
In Carbon 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 Casper.
For example, the median home price in Casper is $88,040, with tax bills ranging significantly across the county. The national median property tax bill is $2,400, whereas in Casper, the 90th percentile tax bill is $1,442, highlighting the variation in property tax burdens.
Property Tax Assessment Values Across Casper, Carbon County, Wyoming
Source: Ownwell

$39,732
$139,843
$239,953
Median Casper Market Value
$88,040
Median Carbon County Market Value
$141,657
Median Wyoming Market Value
$247,958
Median United States Market Value
$235,294
Property Tax Assessment Values Across Casper, Carbon County, Wyoming
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
82604 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Casper, Carbon County, Wyoming
In Casper, Wyoming, located in Carbon County, property tax bills are calculated based on the assessed value of a property. The assessed value is determined by the county assessor and reflects a percentage of the property's market value. The local tax rate is then applied to this assessed value to calculate the annual property tax bill. For homeowners in Casper, the property tax bill can vary significantly, with the 25th percentile at $43 and the 90th percentile reaching $1,442. This variation is due to factors such as property size, location, and market conditions. While the median property tax bill in Casper is generally lower than the national median of $2,400, it can still be a significant expense for homeowners.
Ownwell offers valuable assistance by providing property tax appeal services. By analyzing your property's assessed value and comparing it to similar properties, Ownwell can identify potential discrepancies and help you file an appeal. This can lead to a reduction in your property tax bill, ensuring you pay only your fair share.
Median Casper Tax Bill
$483
Median Carbon County Tax Bill
$819
Median Wyoming Tax Bill
$1,635
Median United States Tax Bill
$2,400
Property Tax Bills Across Casper, Carbon County, Wyoming
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
82604 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell