Property tax in Judith Basin County, Montana

By Brent Chudoba, editor Updated September 23, 2026

The median property tax bill in Judith Basin County, Montana is $1,066 a year, which is about 0.45% of the county's median home value of $238,300. That effective rate is lower than the typical Montana county (0.68%) and lower than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.

Estimate the property tax on a home in Judith Basin County

Enter a home's market value for a ballpark at Judith Basin County's average effective rate of 0.45% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.

Home market value

Estimated property tax: $1,072 / year

Property tax in Judith Basin County at a glance

Judith Basin County, Montana property tax (Census ACS, reviewed September 23, 2026)
Measure	Value
Median annual property tax	$1,066
Median home value	$238,300
Effective tax rate	0.45%
Typical Montana county rate	0.68%
National median county rate	0.81%

Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.

How does Judith Basin County compare in Montana?

Among Montana's 56 counties, Judith Basin County has the 55th highest effective property-tax rate: 54 rank higher and 1 rank lower. That places it among the least taxed counties in the state. Nationally, it ranks 2793rd of 3135 US counties by effective rate. See every Montana county ranked.

How much do homeowners in Judith Basin County actually pay?

The median is only the middle bill. Across Judith Basin County's 667 owner-occupied homes, 9.1% pay $3,000 or more a year in property tax, 16.7% pay at least $2,000, and 32.7% pay under $800. Another 4.3% report paying no property tax at all, which usually means an exemption covers the whole bill.

Annual property tax paid by Judith Basin County homeowners (Census ACS 2020-2024)
Annual bill	Homes	Share
Under $800	218	32.7%
$800 to $1,499	239	35.8%
$1,500 to $1,999	69	10.3%
$2,000 to $2,999	51	7.6%
$3,000 or more	61	9.1%
No property tax paid	29	4.3%

Owners with a mortgage pay a median of $1,144 and owners without one pay $1,028. Owners who have paid off a home have usually held it longer, and in states that cap how fast an existing owner's assessment can rise, long-held homes carry lower assessed values. Census table B25103.

How does the Judith Basin County property tax bill compare with local incomes?

The median property tax bill of $1,066 is about 1.5% of the median income of Judith Basin County homeowner households, $71,696 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 72.7% of Judith Basin County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.

Have property taxes gone up in Judith Basin County?

Yes. The median bill went from $738 in 2015-2019 to $1,066 in 2020-2024, a 44.4% rise. Over the same span the median home value moved 72.4%, from $138,200 to $238,300. Bills rose more slowly than values, which is what assessment caps and falling millage rates do: the county is taxing a smaller share of each home's worth.

Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.

Property tax in counties next to Judith Basin County

Judith Basin County borders 5 counties.

Judith Basin County and its neighbors, highest effective rate first (Census ACS 2020-2024)
County	Effective rate	Median bill	Median home value
Cascade County, MT	0.87%	$2,320	$265,300
Chouteau County, MT	0.75%	$1,566	$207,800
Fergus County, MT	0.75%	$1,769	$236,100
Meagher County, MT	0.66%	$1,725	$259,800
Wheatland County, MT	0.56%	$1,013	$180,800
Judith Basin County, MT (this county)	0.45%	$1,066	$238,300

How is a home assessed in Judith Basin County?

Montana sets the assessment rules and Judith Basin County applies them. How Montana assesses and reappraises homes.

Is there a homestead exemption in Judith Basin County?

Not as a dollar amount. Montana's homestead benefit is a lower tax rate for an enrolled principal residence; a home that does not enroll is taxed at the flat 1.9% rate. That is the Montana rule, and it applies in Judith Basin County. Montana's exemptions and relief programs in full.

When are property taxes due in Judith Basin County?

Montana bills once and you pay in two halves. The first half is due by 5 p.m. on November 30, or 30 days after the notice is mailed if that falls later, and the second by 5 p.m. on May 31. Anything unpaid after May 31 is delinquent, picks up a 2% penalty and accrues interest monthly. Owners of a primary residence can instead enroll in an alternative schedule spreading the bill over seven monthly payments from November through May.

Montana splits the bill into 2 installments. That is the Montana rule. Judith Basin County issues and collects the bill, so the dates printed on your statement are the ones that bind you.

How to appeal your Judith Basin County property assessment

You contest the assessed value with the County Tax Appeal Board, then the Montana Tax Appeal Board, then district court. The filing deadline is typically 30 days from the date on your classification and appraisal notice. That is the Montana rule; Judith Basin County sets the exact dates and forms. The Montana appeal process step by step.

Montana rules from primary state sources, reviewed September 7, 2026; sources on the Montana page.

Work out your own numbers

Sources

Median real estate taxes paid and median home value for Judith Basin County, Montana: U.S. Census Bureau, American Community Survey 5-year estimates (2020-2024), tables B25103, B25077, B25102, B25119 and B25003; the five-year comparison uses the 2015-2019 estimates. Neighboring counties: Census county adjacency file.