Custer County, MT Property Taxes (2026)

Custer County owners pay a median of $2,242 a year on a median home value of $204,200, an effective rate of 1.10%. That's the 5th-highest rate of 56 Montana counties with Census data, above the Montana county median of 0.71%.

Updated October 2026 · Data: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023)

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Effective tax rate

1.10%

5th highest of 56 in MT

Median annual bill

$2,242

~$187/month

Median home value

$204,200

Montana county median

0.71%

Effective rate

What a protest could save you in Custer County

Enter the market value from your appraisal notice. We apply Custer County's 1.10% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$2,246
Savings at 10–15% off
$225–$337
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Custer County vs. Montana vs. U.S. property tax rates

Custer County1.10%
Montana county median0.71%
U.S. county median0.84%

Key stat: Custer County's effective property tax rate is 1.10%, vs. 0.71% for the median Montana county and 0.84% for the median U.S. county. It ranks 5th of 56 in Montana. Effective rate = median tax bill ÷ median home value, so it already reflects typical exemptions. (Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023))

How to appeal your property taxes in Custer County

  1. 1

    Review your assessment notice

    Check the assessed value from the Custer Department of Revenue. Compare it to recent sales of similar homes nearby.

  2. 2

    File your appeal before the deadline

    The Custer County deadline is Within 30 days of notice. Missing it means waiting until the next assessment year.

  3. 3

    Gather evidence

    Recent comparable sales, photos of condition issues, repair estimates or an independent appraisal.

  4. 4

    Present your case

    Submit evidence or attend a hearing with the Department of Revenue.

  5. 5

    Get your decision

    If you win, your assessed value and bill go down. On a $2,242 bill, 10–15% off is $224–$336 a year.

Want help with it?

TaxDrop builds your case from comparable sales data.

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Property tax exemptions in Montana

Montana homeowners may qualify for exemptions that reduce taxable value. Check with the Custer Department of Revenue for amounts.

Homestead exemption

For your primary residence. Reduces the value used to calculate your bill.

Senior / over-65

Many states add an exemption or freeze for owners 65 and older.

Disability

For homeowners with qualifying disabilities, often similar to the over-65 benefit.

Veterans

Disabled veterans may get partial or full exemptions depending on rating.

Frequently Asked Questions

What is the property tax rate in Custer County, Montana?
The median effective property tax rate in Custer County is 1.10%: a median annual bill of $2,242 on a median home value of $204,200. That's the 5th-highest rate of 56 Montana counties with Census data. Your own rate depends on which city, school district and special districts you're in. Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023).
How much are property taxes in Custer County?
The median Custer County property tax bill is $2,242 a year, about $187 a month, compared with a Montana county median of $1,719.
What is the deadline to appeal property taxes in Custer County?
The deadline to appeal in Custer County is Within 30 days of notice. Missing it means waiting until the next assessment cycle.
Is Custer County a high property tax area?
Custer County's 1.10% effective rate is above the Montana county median of 0.71% and above the U.S. county median of 0.84%. That's the 5th-highest rate of 56 Montana counties with Census data.
Can TaxDrop help lower my Custer County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment.

Property taxes in nearby counties

Prairie County

Rate: 0.85%

Median bill: $1,428

Rosebud County

Rate: 0.63%

Median bill: $1,191

Fallon County

Rate: 0.57%

Median bill: $1,359

Powder River County

Rate: 0.83%

Median bill: $1,237

Carter County

Rate: 0.44%

Median bill: $782

Dawson County

Rate: 1.17%

Median bill: $2,199

Wibaux County

Rate: 0.71%

Median bill: $654

Treasure County

Rate: 0.62%

Median bill: $1,326

← All 56 Montana counties

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