Broadwater County, Montana Property Taxes

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Property Taxes in Broadwater County, Montana

Median Broadwater County effective property tax rate: 0.72%, significantly lower than the national median of 1.02%.
Median Broadwater County home value: $342,900
Median annual Broadwater County tax bill: $2,614, higher than the national median property tax bill of $2,400.

How are property taxes in Broadwater County calculated?

Property taxes in Broadwater 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 Broadwater County or another part of Broadwater County, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Broadwater County, Montana Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.72%

Estimate Property Tax Bill

$2,469

$2,291

How Does the Broadwater County Property Tax Calculator Work?

Use this Broadwater County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Broadwater County's median effective tax rate of 0.72% 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. Broadwater County’s median tax rate is lower than Montana’s 0.78% state median tax rate, and the county’s median tax bill of $2,614 is $214 higher than the state median.

For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Broadwater County.

Property Tax Rates Across Broadwater County, Montana

What Are Effective Property Tax Rates Across Broadwater County?

Local government entities set tax rates, which vary widely across Broadwater 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 Broadwater County's effective property tax rate to other counties in Montana or the U.S. median of 1.02%.

Broadwater County's median effective rate stands at 0.72%, which is lower than the national median of 1.02%. Within Broadwater County, the highest rate is found in Winston at 0.75%, while Three Forks has the lowest at 0.64%.

These variations reflect differences in local school district levies, special assessment districts assessments, and special district bonds — which compound the base county rate.

Property Tax Rates Across Broadwater County, Montana

Source: Ownwell

0.64%

0.69%

0.75%

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 Broadwater County Tax Rate

0.72%

Median Effective Montana Tax Rate

0.78%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Broadwater County, Montana

City	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
East Helena	0.69%	0.70%	0.71%	0.73%	0.76%
Three Forks	0.64%	0.64%	0.64%	0.65%	0.66%
Toston	0.66%	0.68%	0.74%	0.84%	1.01%
Townsend	0.56%	0.70%	0.74%	0.86%	0.95%
Winston	0.67%	0.68%	0.75%	0.80%	0.88%
Radersburg	N/A	N/A	N/A	N/A	N/A
White Sulphur Springs	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Broadwater County, Montana

When examining property taxes in Broadwater 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 Broadwater 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 Broadwater County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.

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 Broadwater County.

For example, the median tax bill in Broadwater County is $2,614, with tax bills ranging significantly across the county. East Helena has the highest median home price at $529,050.

Property Tax Assessment Values Across Broadwater County, Montana

Source: Ownwell

$214,086

$371,568

$529,050

Median Broadwater County Market Value

$342,900

Median Montana Market Value

$317,000

Median United States Market Value

$235,294

Property Tax Assessment Values Across Broadwater County, Montana

City	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
East Helena	$292,437	$408,576	$529,050	$633,025	$733,380
Three Forks	$333,212	$469,600	$513,300	$585,500	$688,900
Toston	$15,271	$67,510	$215,907	$393,762	$553,898
Townsend	$29,865	$151,493	$295,720	$417,975	$548,840
Winston	$29,000	$91,682	$214,086	$353,829	$563,800
Radersburg	N/A	N/A	N/A	N/A	N/A
White Sulphur Springs	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Broadwater County, Montana

Property tax bills in Broadwater County are based on a home’s assessed value, which is then multiplied by the local tax rate. The assessed value is influenced by the market value of the property, local taxing jurisdictions, and any applicable exemptions or special assessments. For homeowners, this means two similar homes can have different tax bills if their assessed values or tax rates differ.

With a median home price of $342,900, Broadwater County’s property tax bills can vary widely. The 25th percentile tax bill is $1,424, while the 75th percentile is $3,406 and the 90th percentile reaches $4,287. That range shows how location and property characteristics can significantly affect what homeowners owe.

Across the county, tax bills are part of the ongoing cost of owning a home and can change as market conditions shift or assessments are updated.

Property Tax Bills Across Broadwater County, Montana

Source: Ownwell

$1,705

$2,720

$3,734

Median Broadwater County Tax Bill

$2,614

Median Montana Tax Bill

$2,559

Median United States Tax Bill

$2,400

Property Tax Bills Across Broadwater County, Montana

City	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
East Helena	$1,980	$2,970	$3,734	$4,409	$5,020
Three Forks	$2,001	$3,003	$3,291	$3,737	$4,414
Toston	$251	$683	$1,782	$3,173	$4,484
Townsend	$321	$1,197	$2,338	$3,099	$3,988
Winston	$262	$970	$1,705	$2,700	$4,334
Radersburg	N/A	N/A	N/A	N/A	N/A
White Sulphur Springs	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	June 1

Links
Broadwater Tax Assessor
Website	svc.mt.gov

Frequently Asked Property Tax Questions in Broadwater County, Montana

How are property taxes calculated in Broadwater County, Montana?

Property taxes in Broadwater County, Montana are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Broadwater County, Montana?

To appeal your property taxes in Broadwater County, Montana, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Broadwater County, Montana?

Common property tax exemptions in Broadwater County, Montana include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Broadwater County, Montana?

Property tax deadlines in Broadwater County, Montana vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Broadwater County, Montana?

Ownwell provides professional property tax appeal services in Broadwater County, Montana. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.