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Gallatin County, Montana Property Taxes (2026)

Gallatin County homeowners pay a median property tax of $3,625/year on a median home value of $604,900 — an effective rate of 0.60%, which is below the national median of 1.02%. Gallatin County has a population of approximately 122,194.

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Effective Tax Rate

0.60%

Lower than the Montana median of 1.00%

Median Home Value

$604,900

Annual Tax Bill

$3,625

~$302/month

Est. Annual Savings

$544

If reduced by 15%

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Gallatin 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 Gallatin County to estimate your potential savings.

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  • Uses real Gallatin County comparable sales data
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Average Annual Savings

$544

Estimated savings for Gallatin County homeowners

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

Gallatin County0.60%
Montana Median1.00%
National Median1.02%

Key stat: The effective property tax rate in Gallatin County, Montana is 0.60%, 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 Gallatin County Compares Across Montana

See where Gallatin 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

Gallatin County Department of Revenue Information

Gallatin County Department of Revenue

Assessing Authority

Gallatin 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 Gallatin County

If you own property in Gallatin 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 Gallatin 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 $3,625, even a 10-15% reduction means $363-$544 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 Gallatin 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 Gallatin County, Montana?
The median effective property tax rate in Gallatin County, Montana is 0.60%. On a home valued at $604,900, the median annual property tax bill is $3,625. Source: U.S. Census Bureau, ACS 2026.
How much are property taxes in Gallatin County?
The median annual property tax bill in Gallatin County is $3,625, which works out to approximately $302/month. This is based on the median home value of $604,900 and an effective tax rate of 0.60%.
How do I appeal my property taxes in Gallatin County?
To appeal your property taxes in Gallatin County, Montana, you need to file with the Gallatin 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 Gallatin County a high property tax area?
Gallatin County's effective tax rate of 0.60% 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 Gallatin County property taxes?
Yes. TaxDrop helps homeowners in Gallatin 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

Deer Lodge County

Rate: 0.81%

Tax bill: $1,706

Fallon County

Rate: 0.57%

Tax bill: $1,359

Fergus County

Rate: 0.84%

Tax bill: $1,709

Flathead County

Rate: 0.61%

Tax bill: $2,867

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

Granite County

Rate: 0.61%

Tax bill: $2,061

← View all 56 Montana counties

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