Carter County property tax
Homeowners in Carter County, Montana typically pay about 0.45% of their home's value in property tax each year — a median bill of $904 on a median home value of $199,200.
Typical effective rate
0.45%
higher than 89% of U.S. counties
Median tax paid
$904
per year
Median home value
$199,200
In MT
#54
of 56 ranked counties
At a glance
- Effective rate 0.45% — 52% lower than the U.S. median of 0.94%, and 37% lower than the Montana median of 0.72%.
- With vs. without a mortgage — median tax $1,239 for mortgaged homes, $710 for homes owned outright.
- State ranking — 54th highest effective rate of 56 ranked Montana counties; nationally it sits around the 11th percentile.
Estimate a bill for Carter County
Apply this county's typical effective rate (0.45%) to a home value of your choice.
Frequently asked questions
What is the property tax rate in Carter County, MT?
The typical effective property-tax rate in Carter County is 0.45% of a home's value per year, based on median taxes paid ($904) divided by the median home value ($199,200) in the Census ACS 2020–2024 5-year estimates. This is a typical burden for comparison, not a statutory mill rate.
How much is property tax on a typical home in Carter County?
The median owner-occupied home in Carter County is valued at $199,200, and the median real estate tax paid is $904 per year. Homes with a mortgage have a median tax of $1,239, versus $710 for homes without one.
How does Carter County compare to the rest of Montana?
Carter County's effective rate is 37% lower than the Montana median, ranking 54th of 56 ranked counties in the state.
Compare nearby Montana counties
Counties ranked closest to Carter County by in-state effective rate. Open the comparison tool or see all Montana counties.
| In-state | County | Effective rate | Median tax |
|---|---|---|---|
| 50 | Ravalli County | 0.50% | $2,380 |
| 51 | Fallon County | 0.50% | $1,220 |
| 52 | Sweet Grass County | 0.49% | $1,615 |
| 53 | Mineral County | 0.48% | $1,758 |
| 55 | Judith Basin County | 0.45% | $1,066 |
| 56 | Madison County | 0.41% | $1,937 |
Official data & resources for Carter County
- Carter County Census profile (data.census.gov) — housing, value and tax figures for this county.
- Table B25103 for Carter County — median real estate taxes paid (the source for the tax figures above).
- Table B25077 for Carter County — median home value.
- Federal forms & is property tax deductible? — IRS Pub 530, Schedule A and the SALT cap, plus your state tax agency.
Finding your exact bill
Your county or municipal assessor (sometimes called the appraisal district, property appraiser, or tax collector) sets the assessed value and the exact millage that produces your bill. Search for "[county name] [state] assessor" or "property tax" on an official .gov site.
Figures on this page are Census survey medians for the whole county (2020–2024 5-year), not an assessment of any individual property. Rates, exemptions and assessment practices vary by municipality and school district within a county.