Grant County Property Taxes
Grant County, Oklahoma
Effective Tax Rate
0.00%
49.9% below state avgMedian Annual Tax
$0
$40/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
0.60%
At a Glance
Median Home Value
$79,500
State avg ▼ $142,268
Tax w/ Mortgage/yr
$706
$59/mo escrow
Tax w/o Mortgage/yr
$389
$32/mo
State Tax Rate Rank
#31
of 77 counties (1 = lowest)
Similar tax rates
Data Story
About Property Taxes in Grant County, Oklahoma
Grant County offers exceptionally low taxes
Grant County's effective tax rate of 0.604% ranks among the nation's lowest, with a median property tax of just $480. This is only about 18% of the national median tax of $2,690, placing Grant in the most tax-friendly tier nationwide.
Below Oklahoma's state average
Grant County's 0.604% rate falls slightly below Oklahoma's state average of 0.652%, and its median tax of $480 is well below the state median of $959. Grant ranks among Oklahoma's most affordable counties for property taxation.
Second-lowest rate in the region
Grant County's 0.604% rate is competitive with neighboring Garvin (0.566%) and Greer (0.570%), but significantly lower than Grady (0.703%). The county's low median home value of $79,500 also contributes to one of the region's smallest tax bills.
Just $480 annually on median homes
The median Grant County property valued at $79,500 carries an estimated annual tax of $480—or $706 with an active mortgage. At roughly $40 per month, this is among the lowest property tax burdens in the state.
Double-check your assessment value
Even in low-tax counties, property overassessments occur and can inflate your bill unnecessarily. Grant County homeowners should verify that their assessed value accurately reflects current market conditions and file an appeal if it appears inflated.
How Grant County Compares
Median Annual Property Tax
Grant County
0.60%
Effective rate
Oklahoma Avg
0.67%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Grant County, Oklahoma?
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Counties with Similar Tax Rates
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Other Counties in Oklahoma
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.