Round Top, Austin County, Texas Property Taxes
Property Taxes in Round Top, Texas
Median Round Top, Texas effective property tax rate: 0.59%, significantly lower than the national median of 1.02%, and lower than the Texas state median of 1.48%.
Median Round Top, Texas home value: $437,697
Median annual Round Top, Texas tax bill: $2,663, higher than the national median property tax bill of $2,400.
How are property taxes in Austin calculated?
Property taxes in Round Top, 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 Round Top's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Round Top, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Round Top, Austin County, Texas Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.59%
Estimate Property Tax Bill
$2,582
$2,396
How Does the Round Top Property Tax Calculator Work?
Use this Round Top property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Round Top's median effective tax rate of 0.59% — based on actual property records in Austin 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 Round Top'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 Round Top, but in this area the median property tax bill is $2,663, which is higher than the Texas median tax bill by $263 and lower than the Texas median tax rate of 1.48%. The highest and lowest median tax bill are both $2,663 in 78954.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Round Top.
About Round Top Property Taxes
About Property Taxes in Round Top, Austin, Texas
Round Top’s median effective property tax rate of 0.59% is lower than the Texas state median of 1.48% and lower than the national median of 1.02%. This rate reflects the Austin 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 Round Top. Homeowners in ZIP code 78954 carry a median effective rate of 0.59%, while those in 78954 pay 0.59%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Austin County. Understanding which part of Round Top you live in can make a meaningful difference to your annual tax bill.
Round Top homeowners who believe their assessed value is too high can file a formal appeal with the local Appraisal District before May 15, 2026.
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 Round Top, Austin 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 Round Top'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 Round Top Tax Rate
0.59%
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 Austin County Tax Rate
0.81%
Median Effective Texas Tax Rate
1.48%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Round Top, Austin County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 78954 | 0.21% | 0.41% | 0.59% | 1.04% | 1.57% |
Source: Ownwell
Property Tax Assessment Values Across Round Top, Austin County, Texas
When examining property taxes in Round Top, 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 Austin 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 Austin 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. For example, the median home price in Round Top is $437,697, with a median tax bill of $2,663. ZIP code 78954 has the highest median home price at $437,697.
Property Tax Assessment Values Across Round Top, Austin County, Texas
Source: Ownwell
$132,454
$299,503
$466,552
Median Round Top Market Value
$437,697
Median Austin County Market Value
$273,925
Median Texas Market Value
$258,851
Median United States Market Value
$235,294
Property Tax Assessment Values Across Round Top, Austin County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 78954 | $67,920 | $319,410 | $437,697 | $1,293,770 | $2,306,117 |
Source: Ownwell
Property Tax Bills Across Round Top, Austin County, Texas
Property tax bills in Round Top are based on the assessed value of a home and the local tax rates set by taxing authorities. When a home’s market value rises, the assessed value can increase too, which may lead to a higher tax bill. For homeowners in Round Top, this means the amount owed can vary widely depending on the home’s value and the specific rates applied.
The median home price in Round Top is $437,697, and the median property tax bill is $2,663, which is above the national median property tax bill of $2,400. Tax bills can range from $1,387 at the 25th percentile to $7,287 at the 75th percentile, with the 90th percentile reaching $17,034. These differences show how property taxes can significantly affect household budgets, especially for owners of higher-value homes.
Median Round Top Tax Bill
$2,663
Median Austin County Tax Bill
$1,773
Median Texas Tax Bill
$3,441
Median United States Tax Bill
$2,400
Property Tax Bills Across Round Top, Austin County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 78954 | $451 | $1,387 | $2,663 | $7,287 | $17,034 |
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 | |
|---|---|
| Austin Appraisal District | |
| Website | esearch.austincad.org |