Dimmitt, Castro County, Texas Property Taxes

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Property Taxes in Dimmitt, Texas

Median Dimmitt, Texas effective property tax rate: 1.23%, significantly lower than the national median of 1.02%, and lower than the Texas state median of 1.48%.
Median Dimmitt, Texas home value: $60,600
Median annual Dimmitt, Texas tax bill: $808, lower than the national median property tax bill of $2,400.

How are property taxes in Castro calculated?

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

Last Updated April 13, 2026

Dimmitt, Castro County, Texas Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.23%

Estimate Property Tax Bill

$745

$692

How Does the Dimmitt Property Tax Calculator Work?

Use this Dimmitt property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Dimmitt's median effective tax rate of 1.23% — based on actual property records in Castro 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 Dimmitt'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 Dimmitt: rates range from $808 in 79027 to $808 in 79027, 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 Dimmitt.

About Dimmitt Property Taxes

About Property Taxes in Dimmitt, Castro, Texas

Dimmitt’s median effective property tax rate of 1.23% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Castro County base levy combined with local school district levies and Municipal Utility Districts (MUDs) that vary by subdivision throughout the city.

Property tax rates are not uniform across Dimmitt. Homeowners in the 79027 ZIP code carry a median effective rate of 1.23%, while those in the same ZIP code pay 1.23%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Castro County. Understanding which part of Dimmitt you live in can make a meaningful difference to your annual tax bill.

Dimmitt 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 Dimmitt, Castro 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 Dimmitt'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 Dimmitt, Castro County, Texas

Source: Ownwell

0.50%

0.87%

1.23%

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 Dimmitt Tax Rate

1.23%

Median Effective Castro County Tax Rate

1.17%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Dimmitt, Castro County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
79027	0.72%	0.93%	1.23%	1.86%	2.07%

Source: Ownwell

Property Tax Assessment Values Across Dimmitt, Castro County, Texas

When examining property taxes in Dimmitt, 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 Castro 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 Castro 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 Dimmitt.

For example, the median home price in Dimmitt is $60,600, with tax bills ranging significantly across the county. 79027 has the highest median home price at $60,600.

Property Tax Assessment Values Across Dimmitt, Castro County, Texas

Source: Ownwell

$46,280

$85,763

$125,245

Median Dimmitt Market Value

$60,600

Median Castro County Market Value

$61,610

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Dimmitt, Castro County, Texas

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
79027	$21,794	$37,615	$60,600	$104,050	$163,710

Source: Ownwell

Property Tax Bills Across Dimmitt, Castro County, Texas

How are property tax bills calculated in Dimmitt?

Property tax bills in Dimmitt are based on the assessed value of a home, which is then multiplied by the local tax rate. Local taxing authorities use the property’s market value, exemptions, and any applicable tax rates to determine the final bill. For homeowners, this means that a higher assessed value can lead to a larger tax bill, while exemptions may help reduce what is owed.

What do property tax bills look like in Dimmitt?

The median home price in Dimmitt is $60,600, and the median property tax bill is $808.00. That amount is below the national median property tax bill of $2,400 and reflects the lower home values in the area. Tax bills can still vary widely, with the 25th percentile at $447 and the 75th percentile at $1,357. For many homeowners, understanding how the bill is calculated is important because even small changes in assessed value can affect annual housing costs.

Property Tax Bills Across Dimmitt, Castro County, Texas

Source: Ownwell

$373

$724

$1,075

Median Dimmitt Tax Bill

$808

Median Castro County Tax Bill

$761

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Dimmitt, Castro County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
79027	$258	$447	$808	$1,357	$1,839

Source: Ownwell

Don't miss the deadline to protest!

Dates
Appeal Deadline	May 15

Links
Castro Appraisal District
Website	esearch.castrocad.org

Frequently Asked Property Tax Questions in Dimmitt, Texas

How are property taxes calculated in Dimmitt, Texas?

Property taxes in Dimmitt, 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 Dimmitt, Texas?

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

Common property tax exemptions in Dimmitt, 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 Dimmitt, Texas?

Property tax deadlines in Dimmitt, 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 Dimmitt, Texas?

Ownwell provides professional property tax appeal services in Dimmitt, 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.