Rock Springs, Sweetwater County, Wyoming Property Taxes
Median Rock Springs, WY effective property tax rate: 0.69%, significantly lower than the national median of 1.02%, but higher than the Wyoming state median of 0.65%.
Median Rock Springs, WY home value: $189,960
Median annual Rock Springs, WY tax bill: $1,292, $1,108 lower than the national median property tax bill of $2,400.
How are property taxes in Sweetwater County calculated?
Property taxes in Rock Springs, 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 Rock Springs’ property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Rock Springs, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Rock Springs, Sweetwater County, Wyoming Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.69%
Estimate Property Tax Bill
$1,311
$1,216
Property Tax Rates Across Rock Springs, Sweetwater County, Wyoming
Local government entities are responsible for setting property tax rates, which can significantly vary within a state. This variation is due to each county's annual process of estimating the budget needed to provide essential services and dividing it by the total value of all taxable properties within its jurisdiction. This calculation determines the property tax rate. Although the process involves votes and laws, this is the basic annual procedure.
In Rock Springs, located in Sweetwater County, the effective property tax rate can be compared to other cities in Wyoming, as well as the state's median and the national median. Wyoming's median property tax rate is notably lower than the national median of 1.02%, which is reflected in Rock Springs. This lower rate can be appealing to property owners seeking to reduce their tax burden. Understanding these rates and how they compare nationally can help property owners make informed decisions about their investments.
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 Rock Springs Tax Rate
0.69%
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 Sweetwater County Tax Rate
0.69%
Median Effective Wyoming Tax Rate
0.65%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Rock Springs, Sweetwater County, Wyoming
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
82901 | 0.58% | 0.64% | 0.69% | 0.69% | 0.69% |
Source: Ownwell
Property Tax Assessment Values Across Rock Springs, Sweetwater County, Wyoming
When examining property taxes in Rock Springs, 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 Sweetwater 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 Sweetwater 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 Rock Springs.
For example, the median home price in Rock Springs is $189,960, with tax bills ranging significantly across the county. Zip code 82901 has the highest median home price at $189,960.
Property Tax Assessment Values Across Rock Springs, Sweetwater County, Wyoming
Source: Ownwell

$12,650
$121,019
$229,387
Median Rock Springs Market Value
$189,960
Median Sweetwater County Market Value
$192,526
Median Wyoming Market Value
$247,958
Median United States Market Value
$235,294
Property Tax Assessment Values Across Rock Springs, Sweetwater County, Wyoming
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
82901 | $9,294 | $56,148 | $189,960 | $286,424 | $389,115 |
Source: Ownwell
Property Tax Bills Across Rock Springs, Sweetwater County, Wyoming
Median Rock Springs Tax Bill
$1,292
Median Sweetwater County Tax Bill
$1,311
Median Wyoming Tax Bill
$1,635
Median United States Tax Bill
$2,400
Property Tax Bills Across Rock Springs, Sweetwater County, Wyoming
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
82901 | $53 | $359 | $1,292 | $1,962 | $2,677 |
Source: Ownwell