Starr County, Texas Property Taxes
Property Taxes in Starr County, Texas
Median Starr County effective property tax rate: 1.98%, significantly higher than the national median of 1.02%.
Median Starr County home value: $62,725
Median annual Starr County tax bill: $1,162, lower than the national median property tax bill of $2,400.
How are property taxes in Starr County calculated?
Property taxes in Starr County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Starr County or another part of Starr County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Starr County, Texas Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.98%
Estimate Property Tax Bill
$1,242
$1,152
How Does the Starr County Property Tax Calculator Work?
Use this Starr County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Starr County's median effective tax rate of 1.98% to generate your estimate.
Enter your property's estimated assessed value — the figure the appraisal district assigns for tax purposes, which is typically lower than market value after applicable exemptions. Our calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property. Starr County's median tax rate is higher than the Texas median tax rate of 1.48%, and the median tax bill of $1,162 is $1,238 lower than the Texas median tax bill.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Starr County.
Property Tax Rates Across Starr County, Texas
What Are Effective Property Tax Rates Across Starr County?
Local government entities set tax rates, which vary widely across Starr County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Starr County's effective property tax rate to other counties in Texas or the U.S. median of 1.02%.
Starr County's median effective rate stands at 1.98%, which is higher than the national median of 1.02%. Within Starr County, the highest rate is found in Sullivan City at 2.12%, while San Isidro has the lowest at 1.26%.
These variations reflect differences in local school district levies, Municipal Utility Districts (MUDs) assessments, and special district bonds — which compound the base county rate.
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 Starr County Tax Rate
1.98%
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 Texas Tax Rate
1.48%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Starr County, Texas
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Delmita | 0.63% | 0.96% | 1.38% | 1.74% | 2.03% |
| Falcon Heights | 0.73% | 1.31% | 1.80% | 2.21% | 2.24% |
| Garciasville | 1.19% | 1.64% | 1.87% | 2.23% | 2.27% |
| Grulla | 0.79% | 1.14% | 1.82% | 2.23% | 2.27% |
| La Grulla | 0.62% | 0.89% | 1.29% | 2.23% | 2.27% |
| Rio Grande City | 1.03% | 1.55% | 1.96% | 2.27% | 2.78% |
| Roma | 0.91% | 1.53% | 2.10% | 2.47% | 2.80% |
| Salineno | 0.62% | 0.94% | 1.50% | 2.04% | 2.24% |
| San Isidro | 0.46% | 0.80% | 1.26% | 1.63% | 1.99% |
| Santa Elena | 0.51% | 1.05% | 1.31% | 1.59% | 1.85% |
| Sullivan City | 1.23% | 1.96% | 2.12% | 2.59% | 3.32% |
| Falcon Hts | N/A | N/A | N/A | N/A | N/A |
| Fronton | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Starr County, Texas
When examining property taxes in Starr County, 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 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 Starr County.
For example, the median tax bill in Starr County is $1,162, with tax bills ranging significantly across the county. Sullivan City has the highest median home price at $112,715.
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 Starr County, Texas
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Delmita | $16,278 | $30,655 | $56,520 | $100,685 | $182,402 |
| Falcon Heights | $17,090 | $34,908 | $54,375 | $75,858 | $108,015 |
| Garciasville | $17,330 | $27,508 | $40,800 | $61,645 | $95,985 |
| Grulla | $18,448 | $32,660 | $48,280 | $66,840 | $94,884 |
| La Grulla | $14,830 | $23,680 | $36,890 | $49,795 | $66,260 |
| Rio Grande City | $23,758 | $40,440 | $65,610 | $123,030 | $204,948 |
| Roma | $23,620 | $39,470 | $61,085 | $95,780 | $146,555 |
| Salineno | $17,460 | $27,762 | $43,060 | $65,875 | $81,825 |
| San Isidro | $18,476 | $34,080 | $57,910 | $115,560 | $174,910 |
| Santa Elena | $19,098 | $38,205 | $69,810 | $119,445 | $288,278 |
| Sullivan City | $36,370 | $57,555 | $112,715 | $164,405 | $225,720 |
| Falcon Hts | N/A | N/A | N/A | N/A | N/A |
| Fronton | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Starr County, Texas
Property tax bills in Starr County are based on the assessed value of a home, not the purchase price. Local taxing authorities determine that assessed value, and the final bill is calculated by applying the relevant tax rates to it. A homeowner’s bill can also be affected by exemptions, special district taxes, and changes in market value over time.
With a median home price of $62,725, many homeowners in Starr County see bills that vary widely depending on location and property characteristics. The 25th percentile tax bill is $671, while the 75th percentile is $2,021 and the 90th percentile reaches $3,655. That range shows how much the tax burden can differ from one property to another.
The highest median tax bill is $2,327 in Sullivan City, while the lowest median tax bill is $456 in La Grulla. For homeowners, this means property taxes can have a meaningful impact on annual housing costs, especially when assessed values rise faster than expected.
Median Starr County Tax Bill
$1,162
Median Texas Tax Bill
$3,441
Median United States Tax Bill
$2,400
Property Tax Bills Across Starr County, Texas
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Delmita | $154 | $432 | $740 | $1,324 | $2,141 |
| Falcon Heights | $225 | $446 | $855 | $1,394 | $2,121 |
| Garciasville | $261 | $514 | $776 | $1,158 | $1,709 |
| Grulla | $219 | $439 | $785 | $1,206 | $1,569 |
| La Grulla | $116 | $236 | $456 | $753 | $1,053 |
| Rio Grande City | $374 | $714 | $1,210 | $2,205 | $4,124 |
| Roma | $329 | $673 | $1,177 | $1,941 | $2,906 |
| Salineno | $169 | $303 | $598 | $932 | $1,283 |
| San Isidro | $150 | $267 | $518 | $1,358 | $1,961 |
| Santa Elena | $177 | $420 | $902 | $1,565 | $2,690 |
| Sullivan City | $962 | $1,399 | $2,327 | $3,354 | $4,476 |
| Falcon Hts | N/A | N/A | N/A | N/A | N/A |
| Fronton | 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 | |
|---|---|
| Starr Appraisal District | |
| Website | esearch.starrcad.org |