Round Mountain, Hays County, Texas Property Taxes
Property Taxes in Round Mountain, Texas
Median Round Mountain, Texas effective property tax rate: 1.48%, significantly higher than the national median of 1.02%, and equal to the Texas state median of 1.48%.
Median Round Mountain, Texas home value: $334,410
Median annual Round Mountain, Texas tax bill: $4,062, $1,662 higher than the national median property tax bill of $2,400.
How are property taxes in Hays calculated?
Property taxes in Round Mountain, 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 Mountain's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Round Mountain, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Round Mountain, Hays County, Texas Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.48%
Estimate Property Tax Bill
$4,949
$4,593
$774
Average Annual Tax Savings
How Does the Round Mountain Property Tax Calculator Work?
Use this Round Mountain property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Round Mountain's median effective tax rate of 1.48% — based on actual property records in Hays 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 Mountain'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 Mountain: rates range from 1.48% in 78663 to 1.48% in 78663, primarily due to differences in school district levies and local assessment districts.
If your estimate is higher than expected, Ownwell can appeal your Round Mountain assessment — you only pay if we save you money.
About Round Mountain Property Taxes
About Property Taxes in Round Mountain, Hays, Texas
Round Mountain’s median effective property tax rate of 1.48% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Hays 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 Mountain. Homeowners in ZIP code 78663 carry a median effective rate of 1.48%, while those in 78663 pay 1.48%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Hays County. Understanding which part of Round Mountain you live in can make a meaningful difference to your annual tax bill.
Round Mountain 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 Mountain, Hays 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 Mountain'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 Mountain Tax Rate
1.48%
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 Hays County Tax Rate
1.49%
Median Effective Texas Tax Rate
1.48%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Round Mountain, Hays County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 78663 | 0.40% | 0.67% | 1.48% | 1.58% | 1.73% |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Assessment Values Across Round Mountain, Hays County, Texas
When examining property taxes in Round Mountain, 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 Hays 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 Hays 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. The median home price in Round Mountain is $334,410, with a median tax bill of $4,062. That is above the national median property tax bill of $2,400 and reflects a higher-than-national median property tax rate environment compared with the national median property tax rate of 1.02%. For example, tax bills range from $1,779 at the 25th percentile to $11,292 at the 90th percentile.
Property Tax Assessment Values Across Round Mountain, Hays County, Texas
Source: Ownwell
$147,840
$682,155
$1,216,470
Median Round Mountain Market Value
$334,410
Median Hays County Market Value
$383,244
Median Texas Market Value
$258,851
Median United States Market Value
$235,294
Property Tax Assessment Values Across Round Mountain, Hays County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 78663 | $228,902 | $274,500 | $334,410 | $485,770 | $842,948 |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Property Tax Bills Across Round Mountain, Hays County, Texas
Property tax bills in Round Mountain are based on the assessed value of a home and the local tax rates set for Hays County and other taxing entities. When a home’s market value rises, the assessed value can increase too, which can push the tax bill higher. For a home priced around the $334,410 median home price, the property tax bill can vary widely, with the 25th percentile at $1,779 and the 75th percentile at $6,123. The highest and lowest median tax bill in the area is $4,062 in ZIP code 78663.
These bills can have a major impact on homeowners, especially when taxes climb faster than income or home improvements justify. That’s where Ownwell can help. By reviewing your assessment and filing a property tax appeal when appropriate, Ownwell works to lower your assessed value and reduce what you owe. Homeowners may also save through exemption services, helping ensure they are not overpaying on their property tax bill.
Median Round Mountain Tax Bill
$4,062
Median Hays County Tax Bill
$5,749
Median Texas Tax Bill
$3,441
Median United States Tax Bill
$2,400
Property Tax Bills Across Round Mountain, Hays County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 78663 | $1,370 | $1,779 | $4,062 | $6,123 | $11,292 |
Source: Ownwell
$774
Average Annual Tax Savings
Save on Your Property Taxes and More With Ownwell
Don't miss the deadline to protest!
Dates | |
|---|---|
| Appeal Deadline | May 15 |
| Tax Bill | |
| Issued | October 1 |
| Due Date #1 | January 31 |
Links | |
|---|---|
| Hays Appraisal District | |
| Website | esearch.hayscad.com |