Property tax in Beaverhead County, Montana

By Brent Chudoba, editor Updated September 23, 2026

The median property tax bill in Beaverhead County, Montana is $2,069 a year, which is about 0.67% of the county's median home value of $308,300. 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 Beaverhead County

Enter a home's market value for a ballpark at Beaverhead County's average effective rate of 0.67% (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: $2,066 / year

Property tax in Beaverhead County at a glance

Beaverhead County, Montana property tax (Census ACS, reviewed September 23, 2026)
Measure	Value
Median annual property tax	$2,069
Median home value	$308,300
Effective tax rate	0.67%
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 Beaverhead County compare in Montana?

Among Montana's 56 counties, Beaverhead County has the 30th highest effective property-tax rate: 29 rank higher and 26 rank lower. That is near the middle for Montana. Nationally, it ranks 1999th of 3135 US counties by effective rate. See every Montana county ranked.

How much do homeowners in Beaverhead County actually pay?

The median is only the middle bill. Across Beaverhead County's 2,766 owner-occupied homes, 20.4% pay $3,000 or more a year in property tax, 49.4% pay at least $2,000, and 14.5% pay under $800. Another 5.1% report paying no property tax at all, which usually means an exemption covers the whole bill.

Annual property tax paid by Beaverhead County homeowners (Census ACS 2020-2024)
Annual bill	Homes	Share
Under $800	401	14.5%
$800 to $1,499	452	16.3%
$1,500 to $1,999	404	14.6%
$2,000 to $2,999	802	29%
$3,000 or more	565	20.4%
No property tax paid	142	5.1%

Owners with a mortgage pay a median of $2,363 and owners without one pay $1,773. 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 Beaverhead County property tax bill compare with local incomes?

The median property tax bill of $2,069 is about 2.7% of the median income of Beaverhead County homeowner households, $76,477 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 65.8% of Beaverhead 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 Beaverhead County?

Yes. The median bill went from $1,599 in 2015-2019 to $2,069 in 2020-2024, a 29.4% rise. Over the same span the median home value moved 43.1%, from $215,400 to $308,300. 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 Beaverhead County

Beaverhead County borders 7 counties, 3 of them across the state line.

Beaverhead County and its neighbors, highest effective rate first (Census ACS 2020-2024)
County	Effective rate	Median bill	Median home value
Silver Bow County, MT	0.98%	$2,500	$255,200
Deer Lodge County, MT	0.78%	$1,803	$231,700
Beaverhead County, MT (this county)	0.67%	$2,069	$308,300
Ravalli County, MT	0.5%	$2,380	$476,600
Fremont County, ID	0.44%	$1,398	$314,200
Madison County, MT	0.41%	$1,937	$470,100
Lemhi County, ID	0.35%	$1,156	$326,100
Clark County, ID	0.33%	$713	$216,900

How is a home assessed in Beaverhead County?

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

Is there a homestead exemption in Beaverhead 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 Beaverhead County. Montana's exemptions and relief programs in full.

When are property taxes due in Beaverhead 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. Beaverhead County issues and collects the bill, so the dates printed on your statement are the ones that bind you.

How to appeal your Beaverhead 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; Beaverhead 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 Beaverhead 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.