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Denison, Grayson County, Texas Property Taxes

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Property Taxes in Denison, Texas

  • Median Denison, Texas effective property tax rate: 2.20%, significantly higher than the national median of 1.02%, and higher than the Texas state median of 1.48%.

  • Median Denison, Texas home value: $188,106

  • Median annual Denison, Texas tax bill: $3,713, higher than the national median property tax bill of $2,400.

How are property taxes in Grayson calculated?

Property taxes in Denison, Texas 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 Denison's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Denison, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Denison, Grayson County, Texas Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.2%

Estimate Property Tax Bill

$4,138

$3,840

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Denison Property Tax Calculator Work?

Use this Denison property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Denison's median effective tax rate of 2.20% — based on actual property records in Grayson County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local appraisal 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 Denison'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 Denison: rates range from $3,080.00 in 75021 to $3,974.00 in 75020, primarily due to differences in school district levies and local assessment districts. Denison's median tax bill of $3,713 is higher than the national median property tax bill of $2,400 and higher than the Texas median tax bill by $1,313.

If your estimate is higher than expected, Ownwell can appeal your Denison assessment — you only pay if we save you money.

About Denison Property Taxes

About Property Taxes in Denison, Grayson, Texas

Denison’s median effective property tax rate of 2.20% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Grayson County base levy combined with local school district levies and Municipal Utility Districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Denison. Homeowners in ZIP code 75020 carry a median effective rate of 2.30%, while those in 75021 pay 1.61%. This spread — 0.69 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Grayson County.

Denison homeowners who believe their assessed value is too high can file a formal appeal with the local Appraisal District before the May 15, 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 Denison, Grayson County, Texas

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 Denison's effective property tax rate to other cities in Texas and the median property tax rates in Texas and the U.S.

Property Tax Rates Across Denison, Grayson County, Texas

Source: Ownwell

0.95%

1.62%

2.30%

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 Denison Tax Rate

2.20%

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 Grayson County Tax Rate

1.71%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Denison, Grayson County, Texas

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
750201.39%1.82%2.30%2.32%2.32%
750210.93%1.30%1.61%2.32%2.32%
75076N/AN/AN/AN/AN/A
75090N/AN/AN/AN/AN/A

Source: Ownwell

Property Tax Assessment Values Across Denison, Grayson County, Texas

When examining property taxes in Denison, Texas, 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 Grayson 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 are sent in April each year in Grayson County. 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.

For example, the median home price in Denison is $188,106, with tax bills ranging significantly across the county. The median tax bill is $3,713, compared with the national median property tax bill of $2,400. Zip code 75020 has the highest median home price at $189,982.

Property Tax Assessment Values Across Denison, Grayson County, Texas

Source: Ownwell

$102,023

$374,861

$647,698

Median Denison Market Value

$188,106

Median Grayson County Market Value

$221,021

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Denison, Grayson County, Texas

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
75020$78,481$125,572$189,982$278,530$445,495
75021$53,808$102,900$188,337$318,533$484,239
75076N/AN/AN/AN/AN/A
75090N/AN/AN/AN/AN/A

Source: Ownwell

Property Tax Bills Across Denison, Grayson County, Texas

Property tax bills in Denison are based on the assessed value of a home and the local tax rate set by taxing authorities in Grayson County. When a home’s market value rises, the assessed value can increase too, which may lead to a higher tax bill. For Denison homeowners, the typical tax burden is meaningful: the median home price is $188,106, while the 25th percentile tax bill is $2,265, the 75th percentile is $5,543, and the 90th percentile reaches $8,029. That means many homeowners pay above the national median property tax bill of $2,400.

Because property taxes are tied to assessed value, even small errors can cost homeowners money year after year. Ownwell helps homeowners review their assessments, identify opportunities to appeal, and pursue exemptions that may lower their property tax bills. If your home is overassessed, Ownwell can help you challenge that value and potentially reduce what you owe.

Property Tax Bills Across Denison, Grayson County, Texas

Source: Ownwell

$1,447

$5,345

$9,242

Median Denison Tax Bill

$3,713

Median Grayson County Tax Bill

$3,795

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Denison, Grayson County, Texas

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
75020$1,421$2,576$3,974$5,886$8,526
75021$747$1,681$3,080$4,919$6,443
75076N/AN/AN/AN/AN/A
75090N/AN/AN/AN/AN/A

Source: Ownwell

Don't miss the deadline to protest!

Frequently Asked Property Tax Questions in Denison, Texas

How are property taxes calculated in Denison, Texas?
Property taxes in Denison, Texas are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Denison, Texas?
To appeal your property taxes in Denison, Texas, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Denison, Texas?
Common property tax exemptions in Denison, Texas include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Denison, Texas?
Property tax deadlines in Denison, Texas vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Denison, Texas?
Ownwell provides professional property tax appeal services in Denison, Texas. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.