Roma, Zapata County, Texas Property Taxes
Property Taxes in Roma, Texas
Median Roma, Texas effective property tax rate: 1.85%, significantly higher than the national median of 1.02%, and higher than the Texas state median of 1.48%.
Median Roma, Texas home value: $21,225
Median annual Roma, Texas tax bill: $367, $2,033 lower than the national median property tax bill of $2,400.
How are property taxes in Zapata calculated?
Property taxes in Roma, 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 Roma's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Roma, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Roma, Zapata County, Texas Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.85%
Estimate Property Tax Bill
$393
$364
How Does the Roma Property Tax Calculator Work?
Use this Roma property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Roma's median effective tax rate of 1.85% — based on actual property records in Zapata 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 Roma'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 Roma: rates range from $367.00 in 78584 to $367.00 in 78584, 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 Roma.
About Roma Property Taxes
About Property Taxes in Roma, Zapata, Texas
Roma’s median effective property tax rate of 1.85% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Zapata 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 Roma. Homeowners in ZIP code 78584 carry a median effective rate of 1.85%, while those in the same ZIP code also pay 1.85%. This reflects how school district boundaries and local assessment districts are drawn across Zapata County. Understanding where you live in Roma can make a meaningful difference to your annual tax bill.
Roma 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 Roma, Zapata 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 Roma's effective property tax rate to other cities in Texas and the median property tax rates in Texas and the U.S.
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 Roma Tax Rate
1.85%
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 Zapata County Tax Rate
1.85%
Median Effective Texas Tax Rate
1.48%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Roma, Zapata County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 78584 | 1.78% | 1.85% | 1.85% | 1.85% | 1.86% |
Source: Ownwell
Property Tax Assessment Values Across Roma, Zapata County, Texas
When examining property taxes in Roma, 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 Zapata 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 Zapata 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. For Roma, the median home price is $21,225, and the median property tax bill is $367, well below the national median property tax bill of $2,400. Tax bills range from $190 at the 25th percentile to $917 at the 90th percentile, showing how property taxes can vary across the county.
Property Tax Assessment Values Across Roma, Zapata County, Texas
Source: Ownwell
$21,225
$44,321
$67,416
Median Roma Market Value
$21,225
Median Zapata County Market Value
$54,069
Median Texas Market Value
$258,851
Median United States Market Value
$235,294
Property Tax Assessment Values Across Roma, Zapata County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 78584 | $5,949 | $10,908 | $21,225 | $35,218 | $49,495 |
Source: Ownwell
Property Tax Bills Across Roma, Zapata County, Texas
Roma property tax bills are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. For homeowners in Roma, the size of the bill depends on the assessed value, local taxing jurisdictions, and any exemptions that may apply.
With a median home price of $21,225, property taxes in Roma are generally lower than the national median property tax bill of $2,400. The typical tax bill in the area is $367, and the 25th and 75th percentile bills range from $190 to $632, showing that bills can vary depending on a property’s value and tax treatment.
For homeowners, this means property taxes are an ongoing cost tied directly to how the home is assessed. If the assessed value is too high, the tax bill can rise even if the homeowner’s income does not.
Median Roma Tax Bill
$367
Median Zapata County Tax Bill
$970
Median Texas Tax Bill
$3,441
Median United States Tax Bill
$2,400
Property Tax Bills Across Roma, Zapata County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 78584 | $110 | $190 | $367 | $632 | $917 |
Source: Ownwell
Don't miss the deadline to protest!
Dates | |
|---|---|
| Appeal Deadline | May 15 |
Links | |
|---|---|
| Zapata Appraisal District | |
| Website | esearch.zapatacad.com |