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Granite County, Montana Property Taxes (2026)

Granite County homeowners pay a median property tax of $2,061/year on a median home value of $339,500 — an effective rate of 0.61%, which is below the national median of 1.02%. Granite County has a population of approximately 3,419.

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Effective Tax Rate

0.61%

Lower than the Montana median of 1.00%

Median Home Value

$339,500

Annual Tax Bill

$2,061

~$172/month

Est. Annual Savings

$309

If reduced by 15%

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Granite County, Montana Property Tax Calculator

Enter your address to instantly see if you're overpaying on property taxes. Our tool compares your assessed value against recent comparable sales in Granite County to estimate your potential savings.

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  • Uses real Granite County comparable sales data
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Average Annual Savings

$309

Estimated savings for Granite County homeowners

Property Tax Rates: Granite County vs. Montana vs. National

Granite County0.61%
Montana Median1.00%
National Median1.02%

Key stat: The effective property tax rate in Granite County, Montana is 0.61%, compared to the Montana median of 1.00% and the national median of 1.02%. (Source: U.S. Census Bureau, ACS 5-Year Estimates)

How Granite County Compares Across Montana

See where Granite County's tax metrics fall relative to all 56 Montana counties.

Tax Rate Distribution

Percentile distribution across all Montana counties

10th

1.00%

25th

1.00%

Median

1.00%

75th

1.00%

90th

1.00%

Home Value Distribution

Percentile distribution across all Montana counties

10th

$148,800

25th

$178,175

Median

$214,750

75th

$319,150

90th

$415,550

Tax Bill Distribution

Percentile distribution across all Montana counties

10th

$1,180

25th

$1,377

Median

$1,719

75th

$2,189

90th

$2,445

Granite County Department of Revenue Information

Granite County Department of Revenue

Assessing Authority

Granite Department of Revenue

Appeal Deadline

Within 30 days of notice

Montana appeal filing deadline

State

Montana

How to appeal

Let TaxDrop handle it for you →

How to Appeal Your Property Taxes in Granite County

If you own property in Granite County, you have the legal right to appeal your assessed value. Here is the step-by-step process:

1

Review your assessment notice

Check the assessed value from the Granite Department of Revenue. Compare it to recent sales of similar homes in your area.

2

File your appeal before the deadline

The Montana deadline is Within 30 days of notice. Missing this deadline means waiting until the next assessment year.

3

Gather supporting evidence

Compile recent comparable sales, photos of property condition issues, independent appraisals, or any factors that reduce your home's value.

4

Present your case

Attend a hearing or submit your evidence to the Department of Revenue. Present clear data showing your assessed value is too high.

5

Receive your decision

If successful, your assessed value and tax bill will be reduced. With a median bill of $2,061, even a 10-15% reduction means $206-$309 in annual savings.

Skip the hassle — let TaxDrop handle it

TaxDrop's licensed consultants analyze your property, build your case with comparable sales data, and represent you through the entire appeal process. You pay nothing unless we save you $500 or more.

Start Your Granite County Appeal →Free Tax Rate Calculator

Property Tax Exemptions in Montana

Montana homeowners may qualify for exemptions that reduce their taxable value. Common exemptions include:

Homestead Exemption

Available to primary residence owners. Reduces the assessed value used to calculate your tax bill.

Senior/Over-65 Exemption

Additional exemption for homeowners age 65+. May include a tax ceiling that freezes your bill.

Disability Exemption

For homeowners with qualifying disabilities. Similar benefits to the over-65 exemption.

Veteran Exemption

Disabled veterans may receive partial or full exemptions depending on disability rating.

Frequently Asked Questions

What is the property tax rate in Granite County, Montana?
The median effective property tax rate in Granite County, Montana is 0.61%. On a home valued at $339,500, the median annual property tax bill is $2,061. Source: U.S. Census Bureau, ACS 2026.
How much are property taxes in Granite County?
The median annual property tax bill in Granite County is $2,061, which works out to approximately $172/month. This is based on the median home value of $339,500 and an effective tax rate of 0.61%.
How do I appeal my property taxes in Granite County?
To appeal your property taxes in Granite County, Montana, you need to file with the Granite Department of Revenue before the deadline of Within 30 days of notice. You'll need evidence that your assessed value exceeds your property's market value, such as recent comparable sales. TaxDrop can handle this entire process for you — you pay nothing unless we save you $500 or more.
Is Granite County a high property tax area?
Granite County's effective tax rate of 0.61% is below the national median of 1.02%. It's below the Montana median of 1.00%.
What is the deadline to appeal property taxes in Montana?
The deadline to appeal property taxes in Montana is Within 30 days of notice. It's important to file before this deadline — missing it means waiting until the next assessment cycle. TaxDrop monitors deadlines and files on your behalf to ensure you never miss the window.
Can TaxDrop help lower my Granite County property taxes?
Yes. TaxDrop helps homeowners in Granite County, Montana appeal their property tax assessments. We analyze your property, compare it against local comparable sales, and handle the entire appeal process. Our fee is 25% of your savings — and if we don't save you at least $500, you pay nothing.

Nearby Counties

Gallatin County

Rate: 0.60%

Tax bill: $3,625

Garfield County

Rate: 0.66%

Tax bill: $1,169

Glacier County

Rate: 0.81%

Tax bill: $1,246

Golden Valley County

Rate: 0.51%

Tax bill: $1,038

Hill County

Rate: 1.08%

Tax bill: $2,026

Jefferson County

Rate: 0.56%

Tax bill: $2,274

Judith Basin County

Rate: 0.45%

Tax bill: $971

Lake County

Rate: 0.66%

Tax bill: $2,436

← View all 56 Montana counties

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