Rio Grande City, Starr County, Texas Property Taxes

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Property Taxes in Rio Grande City, Texas

Median Rio Grande City, Texas effective property tax rate: 1.96%, significantly higher than the national median of 1.02%, and higher than the Texas state median of 1.48%.
Median Rio Grande City, Texas home value: $65,610
Median annual Rio Grande City, Texas tax bill: $1,210, $1,190 lower than the national median property tax bill of $2,400.

How are property taxes in Starr calculated?

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

Last Updated April 13, 2026

Rio Grande City, Starr County, Texas Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.96%

Estimate Property Tax Bill

$1,286

$1,193

How Does the Rio Grande City Property Tax Calculator Work?

Use this Rio Grande City property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Rio Grande City's median effective tax rate of 1.96% — based on actual property records in Starr 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 Rio Grande City'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 Rio Grande City: rates range from 1.96% in 78582 to 1.96% in 78582, 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 Rio Grande City.

About Rio Grande City Property Taxes

About Property Taxes in Rio Grande City, Starr, Texas

Rio Grande City's median effective property tax rate of 1.96% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Starr 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 Rio Grande City. Homeowners in the 78582 ZIP code carry a median effective rate of 1.96%, while those in the same ZIP code pay 1.96%. This spread reflects how school district boundaries and local assessment districts are drawn across Starr County. Understanding which part of Rio Grande City you live in can make a meaningful difference to your annual tax bill.

Rio Grande City 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 Rio Grande City, Starr 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 Rio Grande City'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 Rio Grande City, Starr County, Texas

Source: Ownwell

1.26%

1.69%

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 Rio Grande City Tax Rate

1.96%

Median Effective Starr County Tax Rate

1.98%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Rio Grande City, Starr County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
78582	1.03%	1.55%	1.96%	2.27%	2.78%

Source: Ownwell

Property Tax Assessment Values Across Rio Grande City, Starr County, Texas

When examining property taxes in Rio Grande City, 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 Starr 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 Starr County, assessment notices are sent in April 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 Rio Grande City.

For example, the median home price in Rio Grande City is $65,610, with tax bills ranging significantly across the county. 78582 has the highest median home price at $65,610.

Property Tax Assessment Values Across Rio Grande City, Starr County, Texas

Source: Ownwell

$36,890

$74,803

$112,715

Median Rio Grande City Market Value

$65,610

Median Starr County Market Value

$62,725

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Rio Grande City, Starr County, Texas

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
78582	$23,758	$40,440	$65,610	$123,030	$204,948

Source: Ownwell

Property Tax Bills Across Rio Grande City, Starr County, Texas

Property tax bills in Rio Grande City are calculated by applying local tax rates to the assessed value of a home. The assessed value is based on the market value of the property, and local taxing authorities use that value to determine how much a homeowner owes each year. Factors such as the home’s location, the taxing jurisdictions that apply, and any exemptions can all affect the final bill.

For Rio Grande City homeowners, the median home price is $65,610, and the median property tax bill is $1,210. That figure is below the national median property tax bill of $2,400, which can make the area more affordable for many owners. Still, bills can vary widely, with the 25th percentile at $714 and the 90th percentile at $4,124. Because property taxes are tied to assessed value, changes in market conditions or local rates can directly affect what homeowners pay.

Property Tax Bills Across Rio Grande City, Starr County, Texas

Source: Ownwell

$456

$1,392

$2,327

Median Rio Grande City Tax Bill

$1,210

Median Starr County Tax Bill

$1,162

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Rio Grande City, Starr County, Texas

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
78582	$374	$714	$1,210	$2,205	$4,124

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
Starr Appraisal District
Website	esearch.starrcad.org

Frequently Asked Property Tax Questions in Rio Grande City, Texas

How are property taxes calculated in Rio Grande City, Texas?

Property taxes in Rio Grande City, 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 Rio Grande City, Texas?

To appeal your property taxes in Rio Grande City, 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 Rio Grande City, Texas?

Common property tax exemptions in Rio Grande City, 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 Rio Grande City, Texas?

Property tax deadlines in Rio Grande City, 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 Rio Grande City, Texas?

Ownwell provides professional property tax appeal services in Rio Grande City, 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.