Gilliam County, Oregon Property Taxes
Median Gilliam County effective property tax rate: 0.87%, significantly lower than the national median of 1.02%.
Median Gilliam County home value: $185,135
Median annual Gilliam County tax bill: $1,580, $820 lower than the national median property tax bill of $2,400.
How are property taxes in Gilliam County calculated?
Property taxes in Gilliam County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Condon or another part of Gilliam County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Gilliam County, Oregon Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.87%
Estimate Property Tax Bill
$1,611
$1,495
Property Tax Rates Across Gilliam County, Oregon
Local government entities set tax rates, which can vary widely within a state. This variation occurs because, each year, counties estimate their required budget to provide essential services and divide that by the total value of all taxable property within their jurisdiction. This calculation determines the property tax rate. While votes and laws play a role in setting these rates and budgets, this is the core annual process.
Gilliam County's effective property tax rate can be compared to other counties in Oregon or to the U.S. median property tax rate. The national median property tax rate stands at 1.02%, while Gilliam County's rate is notably lower. This comparison highlights the variability in property tax rates across different regions. Within the county, Condon boasts the highest median tax rate, whereas Arlington has the lowest. Understanding these differences can help property owners make informed decisions and potentially save on property taxes.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Gilliam County Tax Rate
0.87%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Oregon Tax Rate
0.86%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Gilliam County, Oregon
City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Arlington | 0.57% | 0.65% | 0.77% | 0.88% | 1.02% |
Condon | 0.57% | 0.78% | 0.94% | 1.07% | 1.17% |
Ione | 0.50% | 0.58% | 0.78% | 1.01% | 1.03% |
Fossil | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Gilliam County, Oregon
When examining property taxes in Gilliam County, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Gilliam County Assessor’s Office estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In Gilliam County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Gilliam County. For example, the median tax bill in Gilliam County is $1,418, with tax bills ranging significantly across the county. Ione has the highest median home price at $1,010,200.
Property Tax Assessment Values Across Gilliam County, Oregon
Source: Ownwell

$146,580
$578,390
$1,010,200
Median Gilliam County Market Value
$185,135
Median Oregon Market Value
$438,140
Median United States Market Value
$235,294
Property Tax Assessment Values Across Gilliam County, Oregon
City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Arlington | $104,376 | $166,912 | $251,460 | $359,042 | $522,514 |
Condon | $45,084 | $84,038 | $146,580 | $232,440 | $359,944 |
Ione | $151,870 | $249,550 | $1,010,200 | $1,191,720 | $1,716,430 |
Fossil | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Gilliam County, Oregon
Median Gilliam County Tax Bill
$1,580
Median Oregon Tax Bill
$3,628
Median United States Tax Bill
$2,400
Property Tax Bills Across Gilliam County, Oregon
City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Arlington | $832 | $1,278 | $1,857 | $2,903 | $3,984 |
Condon | $354 | $666 | $1,418 | $2,268 | $3,382 |
Ione | $1,002 | $2,272 | $4,804 | $10,691 | $11,825 |
Fossil | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell