Carbon County, Montana Property Taxes
Property Taxes in Carbon County, Montana
Median Carbon County effective property tax rate: 0.60%, significantly lower than the national median of 1.02%.
Median Carbon County home value: $301,000
Median annual Carbon County tax bill: $2,006, lower than the national median property tax bill of $2,400.
How are property taxes in Carbon County calculated?
Property taxes in Carbon County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Carbon County or another part of Carbon County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Carbon County, Montana Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.6%
Estimate Property Tax Bill
$1,806
$1,676
How Does the Carbon County Property Tax Calculator Work?
Use this Carbon County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Carbon County's median effective tax rate of 0.60% to generate your estimate.
Enter your property's estimated assessed value — the figure the appraisal district assigns for tax purposes, which is typically lower than market value after applicable exemptions. Our calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property. Carbon County's median tax rate is lower than Montana's 0.78% median rate and well below the 1.02% national median property tax rate. The county's median property tax bill is $2,006, compared with $2,400 nationally and $394 less than Montana's median bill.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Carbon County.
Property Tax Rates Across Carbon County, Montana
What Are Effective Property Tax Rates Across Carbon County?
Local government entities set tax rates, which vary widely across Carbon County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Carbon County's effective property tax rate to other counties in Montana or the U.S. median of 1.02%.
Carbon County's median effective rate stands at 0.60%, which is lower than the national median of 1.02%. Within Carbon County, the highest rate is found in Bearcreek at 0.82%, while Belfry has the lowest at 0.54%.
These variations reflect differences in local school district levies, special assessment districts assessments, and special district bonds — which compound the base county rate.
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
0.60%
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 Montana Tax Rate
0.78%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Carbon County, Montana
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Absarokee | 0.54% | 0.54% | 0.56% | 0.59% | 0.61% |
| Bearcreek | 0.51% | 0.61% | 0.82% | 1.03% | 1.24% |
| Belfry | 0.50% | 0.51% | 0.54% | 0.58% | 0.64% |
| Boyd | 0.56% | 0.57% | 0.60% | 0.62% | 0.62% |
| Bridger | 0.50% | 0.61% | 0.67% | 0.87% | 0.87% |
| Edgar | 0.59% | 0.60% | 0.67% | 0.74% | 0.85% |
| Fromberg | 0.59% | 0.59% | 0.74% | 0.75% | 0.76% |
| Joliet | 0.56% | 0.57% | 0.57% | 0.69% | 0.69% |
| Laurel | 0.58% | 0.64% | 0.64% | 0.64% | 0.67% |
| Red Lodge | 0.55% | 0.58% | 0.64% | 0.73% | 0.77% |
| Roberts | 0.55% | 0.55% | 0.57% | 0.59% | 0.84% |
| Roscoe | 0.54% | 0.54% | 0.54% | 0.54% | 0.56% |
| Columbus | N/A | N/A | N/A | N/A | N/A |
| Silesia | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Carbon County, Montana
When examining property taxes in Carbon County, 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 Montana Department of Revenue 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 Carbon County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of July.
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 Carbon County.
For example, the median tax bill in Carbon County is $2,006, with tax bills ranging significantly across the county. Boyd has the highest median home price at $411,853.
Median Carbon County Market Value
$301,000
Median Montana Market Value
$317,000
Median United States Market Value
$235,294
Property Tax Assessment Values Across Carbon County, Montana
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Absarokee | $180,554 | $267,028 | $358,986 | $548,275 | $852,678 |
| Bearcreek | $27,545 | $43,755 | $153,860 | $250,375 | $336,790 |
| Belfry | $26,454 | $89,117 | $167,850 | $321,652 | $512,790 |
| Boyd | $164,369 | $224,415 | $411,853 | $574,973 | $671,239 |
| Bridger | $26,577 | $87,464 | $175,750 | $286,143 | $450,059 |
| Edgar | $34,132 | $103,027 | $168,150 | $229,958 | $398,652 |
| Fromberg | $27,520 | $75,386 | $145,800 | $267,435 | $430,926 |
| Joliet | $34,680 | $137,850 | $253,023 | $418,444 | $607,466 |
| Laurel | $184,039 | $269,750 | $345,670 | $438,175 | $524,490 |
| Red Lodge | $148,460 | $266,925 | $390,400 | $560,800 | $781,871 |
| Roberts | $42,414 | $150,426 | $294,914 | $480,450 | $698,939 |
| Roscoe | $159,529 | $217,344 | $322,100 | $491,750 | $731,806 |
| Columbus | N/A | N/A | N/A | N/A | N/A |
| Silesia | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Carbon County, Montana
Property tax bills in Carbon County are based on the assessed value of a home and the local tax rate set by taxing authorities. When a property’s market value changes, the assessed value can change too, which affects the final bill. For a home with a median home price of $301,000, the amount owed can vary widely depending on location, exemptions, and how the property is classified.
In Carbon County, the 25th percentile tax bill is $1,088, while the 75th percentile tax bill is $2,958 and the 90th percentile tax bill is $4,149. That spread shows how much property taxes can differ from one homeowner to another. Red Lodge has the highest median tax bill at $2,609, while Belfry has the lowest median tax bill at $915. For homeowners, this means property taxes can be a major ongoing housing cost, and even small changes in assessed value or tax rates can have a noticeable impact on the annual bill.
Median Carbon County Tax Bill
$2,006
Median Montana Tax Bill
$2,559
Median United States Tax Bill
$2,400
Property Tax Bills Across Carbon County, Montana
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Absarokee | $900 | $1,546 | $2,027 | $2,976 | $4,629 |
| Bearcreek | $252 | $533 | $1,177 | $1,943 | $2,394 |
| Belfry | $211 | $511 | $915 | $1,751 | $2,624 |
| Boyd | $943 | $1,395 | $2,131 | $3,023 | $3,838 |
| Bridger | $220 | $599 | $1,337 | $2,038 | $2,856 |
| Edgar | $265 | $483 | $1,193 | $1,543 | $2,451 |
| Fromberg | $220 | $528 | $1,026 | $1,837 | $2,704 |
| Joliet | $239 | $877 | $1,580 | $2,489 | $3,577 |
| Laurel | $854 | $1,663 | $2,153 | $2,793 | $3,522 |
| Red Lodge | $876 | $1,841 | $2,609 | $3,579 | $4,759 |
| Roberts | $368 | $1,041 | $1,813 | $2,805 | $4,132 |
| Roscoe | $845 | $1,165 | $1,756 | $2,669 | $4,063 |
| Columbus | N/A | N/A | N/A | N/A | N/A |
| Silesia | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | July 31 |
Links | |
|---|---|
| Carbon Tax Assessor | |
| Website | svc.mt.gov |