Harmon County, OK Property Taxes (2026)

Harmon County owners pay a median of $528 a year on a median home value of $75,700, an effective rate of 0.70%. That's the 23rd-highest rate of 77 Oklahoma counties with Census data, above the Oklahoma county median of 0.63%.

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

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Effective tax rate

0.70%

23rd highest of 77 in OK

Median annual bill

$528

~$44/month

Median home value

$75,700

Oklahoma county median

0.63%

Effective rate

What a protest could save you in Harmon County

Enter the market value from your appraisal notice. We apply Harmon County's 0.70% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$530
Savings at 10–15% off
$53–$79
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Harmon County vs. Oklahoma vs. U.S. property tax rates

Harmon County0.70%
Oklahoma county median0.63%
U.S. county median0.84%

Key stat: Harmon County's effective property tax rate is 0.70%, vs. 0.63% for the median Oklahoma county and 0.84% for the median U.S. county. It ranks 23rd of 77 in Oklahoma. 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 Harmon County

  1. 1

    Review your assessment notice

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

  2. 2

    File your appeal before the deadline

    The Harmon County deadline is Varies by county. 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 $528 bill, 10–15% off is $53–$79 a year.

Want help with it?

TaxDrop builds your case from comparable sales data.

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Property tax exemptions in Oklahoma

Oklahoma homeowners may qualify for exemptions that reduce taxable value. Check with the Harmon 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 Harmon County, Oklahoma?
The median effective property tax rate in Harmon County is 0.70%: a median annual bill of $528 on a median home value of $75,700. That's the 23rd-highest rate of 77 Oklahoma 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 Harmon County?
The median Harmon County property tax bill is $528 a year, about $44 a month, compared with a Oklahoma county median of $813.
What is the deadline to appeal property taxes in Harmon County?
The deadline to appeal in Harmon County is Varies by county. Missing it means waiting until the next assessment cycle.
Is Harmon County a high property tax area?
Harmon County's 0.70% effective rate is above the Oklahoma county median of 0.63% and below the U.S. county median of 0.84%. That's the 23rd-highest rate of 77 Oklahoma counties with Census data.
Can TaxDrop help lower my Harmon County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment.

Property taxes in nearby counties

Greer County

Rate: 0.57%

Median bill: $590

Jackson County

Rate: 0.63%

Median bill: $918

Beckham County

Rate: 0.79%

Median bill: $1,215

Kiowa County

Rate: 0.57%

Median bill: $517

Tillman County

Rate: 0.66%

Median bill: $477

Washita County

Rate: 0.54%

Median bill: $614

Roger Mills County

Rate: 0.48%

Median bill: $731

Comanche County

Rate: 0.90%

Median bill: $1,386

← All 77 Oklahoma counties

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