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Alton, Hidalgo County, Texas Property Taxes

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Property Taxes in Alton, Texas

  • Median Alton, Texas effective property tax rate: 1.78%, significantly higher than the national median of 1.02%, and higher than the Texas state median of 1.48%.

  • Median Alton, Texas home value: $137,136

  • Median annual Alton, Texas tax bill: $2,039, $361 lower than the national median property tax bill of $2,400.

How are property taxes in Hidalgo calculated?

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

Last Updated April 13, 2026

Alton, Hidalgo County, Texas Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.78%

Estimate Property Tax Bill

$2,441

$2,265

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Alton Property Tax Calculator Work?

Use this Alton property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Alton's median effective tax rate of 1.78% — based on actual property records in Hidalgo 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 Alton'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 Alton: rates range from 1.78% in 78573 to 1.78% in 78573, primarily due to differences in school district levies and local assessment districts.

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

About Alton Property Taxes

About Property Taxes in Alton, Hidalgo, Texas

Alton’s median effective property tax rate of 1.78% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Hidalgo 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 Alton. Homeowners in ZIP code 78573 carry a median effective rate of 1.78%, while those in the same ZIP code also pay 1.78%. This reflects how school district boundaries and local assessment districts are drawn across Hidalgo County. Understanding where you live in Alton can still make a meaningful difference to your annual tax bill.

Alton 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 Alton, Hidalgo 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 Alton'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 Alton, Hidalgo County, Texas

Source: Ownwell

0.77%

1.45%

2.12%

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 Alton Tax Rate

1.78%

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 Hidalgo County Tax Rate

1.83%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Alton, Hidalgo County, Texas

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
785730.78%1.10%1.78%2.29%2.45%

Source: Ownwell

Property Tax Assessment Values Across Alton, Hidalgo County, Texas

When examining property taxes in Alton, 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 Hidalgo 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 Hidalgo 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 Alton.

For example, the median home price in Alton is $137,136, with tax bills ranging significantly across the county. 78573 has the highest median home price at $137,136.

Property Tax Assessment Values Across Alton, Hidalgo County, Texas

Source: Ownwell

$51,252

$139,303

$227,353

Median Alton Market Value

$137,136

Median Hidalgo County Market Value

$139,446

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Alton, Hidalgo County, Texas

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
78573$59,604$85,342$137,136$208,384$285,477

Source: Ownwell

Property Tax Bills Across Alton, Hidalgo County, Texas

Property tax bills in Alton are based on the assessed value of a home and the local tax rate set for Hidalgo County. When a property’s market value rises, the assessed value can increase too, which may lead to a higher bill. For homeowners, that means taxes can vary widely from one property to another, depending on home value and local taxing decisions. In Alton, the median home price is $137,136, and the median property tax bill is $2,039, which is below the national median property tax bill of $2,400.

Bills can still climb quickly for higher-value homes, with the 75th percentile at $3,858 and the 90th percentile at $5,798. Ownwell helps homeowners review their assessments, identify opportunities to appeal, and pursue exemptions that may lower their property tax bill. By challenging an unfair assessment, Ownwell can help reduce what homeowners owe and keep more money in their pocket.

Property Tax Bills Across Alton, Hidalgo County, Texas

Source: Ownwell

$506

$2,342

$4,178

Median Alton Tax Bill

$2,039

Median Hidalgo County Tax Bill

$2,055

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Alton, Hidalgo County, Texas

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
78573$645$1,100$2,039$3,858$5,798

Source: Ownwell

Don't miss the deadline to protest!

Frequently Asked Property Tax Questions in Alton, Texas

How are property taxes calculated in Alton, Texas?
Property taxes in Alton, 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 Alton, Texas?
To appeal your property taxes in Alton, 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 Alton, Texas?
Common property tax exemptions in Alton, 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 Alton, Texas?
Property tax deadlines in Alton, 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 Alton, Texas?
Ownwell provides professional property tax appeal services in Alton, 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.