Gem County, ID Property Taxes (2026)

Gem County owners pay a median of $1,443 a year on a median home value of $367,300, an effective rate of 0.39%. That's the 37th-highest rate of 44 Idaho counties with Census data, below the Idaho county median of 0.50%.

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

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Effective tax rate

0.39%

37th highest of 44 in ID

Median annual bill

$1,443

~$120/month

Median home value

$367,300

Idaho county median

0.50%

Effective rate

What a protest could save you in Gem County

Enter the market value from your appraisal notice. We apply Gem County's 0.39% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$1,432
Savings at 10–15% off
$143–$215
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Gem County vs. Idaho vs. U.S. property tax rates

Gem County0.39%
Idaho county median0.50%
U.S. county median0.84%

Key stat: Gem County's effective property tax rate is 0.39%, vs. 0.50% for the median Idaho county and 0.84% for the median U.S. county. It ranks 37th of 44 in Idaho. 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 Gem County

  1. 1

    Review your assessment notice

    Check the assessed value from the Gem County Assessor. Compare it to recent sales of similar homes nearby.

  2. 2

    File your appeal before the deadline

    The Gem County deadline is Within 60 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 County Assessor.

  5. 5

    Get your decision

    If you win, your assessed value and bill go down. On a $1,443 bill, 10–15% off is $144–$216 a year.

Want help with it?

TaxDrop builds your case from comparable sales data.

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Property tax exemptions in Idaho

Idaho homeowners may qualify for exemptions that reduce taxable value. Check with the Gem County Assessor 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 Gem County, Idaho?
The median effective property tax rate in Gem County is 0.39%: a median annual bill of $1,443 on a median home value of $367,300. That's the 37th-highest rate of 44 Idaho 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 Gem County?
The median Gem County property tax bill is $1,443 a year, about $120 a month, compared with a Idaho county median of $1,420.
What is the deadline to appeal property taxes in Gem County?
The deadline to appeal in Gem County is Within 60 days of notice. Missing it means waiting until the next assessment cycle.
Is Gem County a high property tax area?
Gem County's 0.39% effective rate is below the Idaho county median of 0.50% and below the U.S. county median of 0.84%. That's the 37th-highest rate of 44 Idaho counties with Census data.
Can TaxDrop help lower my Gem County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment.

Property taxes in nearby counties

Payette County

Rate: 0.44%

Median bill: $1,353

Washington County

Rate: 0.53%

Median bill: $1,316

Canyon County

Rate: 0.57%

Median bill: $1,996

Boise County

Rate: 0.37%

Median bill: $1,571

Ada County

Rate: 0.56%

Median bill: $2,643

Adams County

Rate: 0.41%

Median bill: $1,351

Elmore County

Rate: 0.60%

Median bill: $1,680

Valley County

Rate: 0.30%

Median bill: $1,778

← All 44 Idaho counties

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