Duncan, Stephens County, Oklahoma Property Taxes
Property Taxes in Duncan, Oklahoma
Median Duncan, Oklahoma effective property tax rate: 0.76%, significantly lower than the national median of 1.02%, and lower than the Oklahoma state median of 0.90%.
Median Duncan, Oklahoma home value: $90,985
Median annual Duncan, Oklahoma tax bill: $630, lower than the national median property tax bill of $2,400.
How are property taxes in Stephens calculated?
Property taxes in Duncan, Oklahoma 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 Duncan's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Duncan, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Duncan, Stephens County, Oklahoma Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.76%
Estimate Property Tax Bill
$691
$642
How Does the Duncan Property Tax Calculator Work?
Use this Duncan property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Duncan's median effective tax rate of 0.76% — based on actual property records in Stephens County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Duncan's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Duncan: rates range from 0.76% in 73533 to 0.76% in 73533, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Duncan.
About Duncan Property Taxes
About Property Taxes in Duncan, Stephens, Oklahoma
Duncan’s median effective property tax rate of 0.76% is lower than the Oklahoma state median of 0.90% and lower than the national median of 1.02%. This rate reflects the Stephens County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Duncan. Homeowners in the 73533 ZIP code carry a median effective rate of 0.76%, while those in the same ZIP also pay $630.00 in median property tax bill. This reflects how local levies are applied across the area and why location matters when estimating your annual tax bill.
Duncan homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the March 6, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Duncan, Stephens County, Oklahoma
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Duncan's effective property tax rate to other cities in Oklahoma and the median property tax rates in Oklahoma and the U.S.
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 Duncan Tax Rate
0.76%
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 Stephens County Tax Rate
0.77%
Median Effective Oklahoma Tax Rate
0.90%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Duncan, Stephens County, Oklahoma
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 73533 | 0.47% | 0.63% | 0.76% | 0.88% | 0.94% |
Source: Ownwell
Property Tax Assessment Values Across Duncan, Stephens County, Oklahoma
When examining property taxes in Duncan, Oklahoma, 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 Stephens County appraisal district 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 Stephens County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.
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 Duncan.
For example, the median home price in Duncan is $90,985, with tax bills ranging significantly across the county. 73533 has the highest median home price at $90,985.
Property Tax Assessment Values Across Duncan, Stephens County, Oklahoma
Source: Ownwell
$50,982
$86,729
$122,476
Median Duncan Market Value
$90,985
Median Stephens County Market Value
$96,396
Median Oklahoma Market Value
$160,842
Median United States Market Value
$235,294
Property Tax Assessment Values Across Duncan, Stephens County, Oklahoma
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 73533 | $25,248 | $44,950 | $90,985 | $164,196 | $246,691 |
Source: Ownwell
Property Tax Bills Across Duncan, Stephens County, Oklahoma
Property tax bills in Duncan are based on the assessed value of a home, which is then multiplied by the local tax rate to determine what a homeowner owes. For property tax purposes, the market value of the home is a key factor, along with any exemptions or local taxing jurisdictions that apply. In Stephens County, the median home price is $90,985, and the median property tax bill is $630.
Homeowners can see a wide range in what they pay. The 25th percentile tax bill is $294, while the 75th percentile is $1,247 and the 90th percentile reaches $1,993. That means two homes with similar market values may still have different bills depending on assessment details and local rates. Property taxes affect homeowners by adding a recurring annual cost that can be lower or higher than the national median property tax bill of $2,400, making it important to understand how the bill is calculated.
Median Duncan Tax Bill
$630
Median Stephens County Tax Bill
$689
Median Oklahoma Tax Bill
$1,339
Median United States Tax Bill
$2,400
Property Tax Bills Across Duncan, Stephens County, Oklahoma
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 73533 | $152 | $294 | $630 | $1,247 | $1,993 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 6 |
Links | |
|---|---|
| Stephens Tax Assessor | |
| Website | oktaxrolls.com |