Diana, Harrison County, Texas Property Taxes

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Property Taxes in Diana, Texas

Median Diana, Texas effective property tax rate: 0.39%, significantly lower than the national median of 1.02%, and lower than the Texas state median of 1.48%.
Median Diana, Texas home value: $127,500
Median annual Diana, Texas tax bill: $394, lower than the national median property tax bill of $2,400.

How are property taxes in Harrison calculated?

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

Last Updated April 13, 2026

Diana, Harrison County, Texas Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.39%

Estimate Property Tax Bill

$497

$461

How Does the Diana Property Tax Calculator Work?

Use this Diana property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Diana's median effective tax rate of 0.39% — based on actual property records in Harrison 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 Diana'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 Diana: rates range from local differences in school district levies and assessment districts, which can affect your final tax bill.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Diana.

About Diana Property Taxes

About Property Taxes in Diana, Harrison, Texas

Diana’s median effective property tax rate of 0.39% is lower than the Texas state median of 1.48% and lower than the national median of 1.02%. This rate reflects the Harrison 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 Diana. Homeowners in different parts of the city can see meaningful differences in their annual tax bill because school district boundaries and local assessment districts are drawn across Harrison County. Understanding where you live in Diana can make a real difference when you compare your assessed value and property tax bill.

Diana 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 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 Diana, Harrison 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 Diana'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 Diana, Harrison County, Texas

Source: Ownwell

0.39%

0.68%

0.96%

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 Diana Tax Rate

0.39%

Median Effective Harrison County Tax Rate

0.78%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Diana, Harrison County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
75640	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Diana, Harrison County, Texas

When examining property taxes in Diana, 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 Harrison 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 Harrison County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.

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 Diana.

For example, the median home price in Diana is $127,500, with tax bills ranging significantly across the county. The median tax bill is $394, compared with the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.

Property Tax Assessment Values Across Diana, Harrison County, Texas

Source: Ownwell

$27,615

$130,293

$232,970

Median Diana Market Value

$127,500

Median Harrison County Market Value

$76,070

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Diana, Harrison County, Texas

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
75640	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Diana, Harrison County, Texas

How are property tax bills calculated in Diana, Texas?

Property tax bills in Diana are based on the assessed value of a home and the local tax rates set by taxing authorities in Harrison County. The assessed value is used to determine how much tax a homeowner owes, and that amount can vary depending on the property’s market value and any exemptions that apply. When the assessed value rises, the tax bill can increase, even if the homeowner’s mortgage stays the same.

What factors affect the bill? Local tax rates, the home’s assessed value, and available exemptions all play a role in the final amount. For homeowners in Diana, the median home price is $127,500, which helps explain why bills can differ widely from one property to another.

How does this affect homeowners? The $152 25th percentile tax bill, $923 75th percentile bill, and $1,655 90th percentile bill show that some households pay far more than others, making property taxes an important part of homeownership costs.

Property Tax Bills Across Diana, Harrison County, Texas

Source: Ownwell

$95

$893

$1,690

Median Diana Tax Bill

$394

Median Harrison County Tax Bill

$423

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Diana, Harrison County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
75640	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Don't miss the deadline to protest!

Dates
Appeal Deadline	May 15
Tax Bill
Issued	October 1
Due Date #1	November 30
Due Date #2	June 30

Links
Harrison Appraisal District
Website	esearch.harrisoncad.net

Frequently Asked Property Tax Questions in Diana, Texas

How are property taxes calculated in Diana, Texas?

Property taxes in Diana, 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 Diana, Texas?

To appeal your property taxes in Diana, 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 Diana, Texas?

Common property tax exemptions in Diana, 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 Diana, Texas?

Property tax deadlines in Diana, 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 Diana, Texas?

Ownwell provides professional property tax appeal services in Diana, 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.