Petrolia, Clay County, Texas Property Taxes
Property Taxes in Petrolia, Texas
Median Petrolia, Texas effective property tax rate: 1.81%, significantly higher than the national median of 1.02%, and higher than the Texas state median of 1.48%.
Median Petrolia, Texas home value: $51,610
Median annual Petrolia, Texas tax bill: $873, lower than the national median property tax bill of $2,400.
How are property taxes in Clay calculated?
Property taxes in Petrolia, 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 Petrolia's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Petrolia, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Petrolia, Clay County, Texas Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.81%
Estimate Property Tax Bill
$934
$867
How Does the Petrolia Property Tax Calculator Work?
Use this Petrolia property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Petrolia's median effective tax rate of 1.81% — based on actual property records in Clay 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 Petrolia'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 Petrolia: rates range from 873 in 76377 to 873 in 76377, 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 Petrolia.
About Petrolia Property Taxes
About Property Taxes in Petrolia, Clay, Texas
Petrolia’s median effective property tax rate of 1.81% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Clay 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 Petrolia. Homeowners in the 76377 ZIP code carry a median effective rate of 1.81%, while those in the same ZIP code also pay 1.81%. This spread reflects how school district boundaries and local assessment districts are drawn across Clay County. Understanding which part of Petrolia you live in can make a meaningful difference to your annual tax bill.
Petrolia 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 Petrolia, Clay 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 Petrolia'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 Petrolia Tax Rate
1.81%
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 Clay County Tax Rate
1.73%
Median Effective Texas Tax Rate
1.48%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Petrolia, Clay County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 76377 | 1.56% | 1.81% | 1.81% | 1.81% | 1.81% |
Source: Ownwell
Property Tax Assessment Values Across Petrolia, Clay County, Texas
When examining property taxes in Petrolia, 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 Clay 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 Clay County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Petrolia is $51,610, with tax bills ranging significantly across the county. Zip code 76377 has the highest median home price at $51,610.
Property Tax Assessment Values Across Petrolia, Clay County, Texas
Source: Ownwell
$51,610
$118,415
$185,220
Median Petrolia Market Value
$51,610
Median Clay County Market Value
$103,260
Median Texas Market Value
$258,851
Median United States Market Value
$235,294
Property Tax Assessment Values Across Petrolia, Clay County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 76377 | $2,660 | $10,212 | $51,610 | $110,430 | $169,686 |
Source: Ownwell
Property Tax Bills Across Petrolia, Clay County, Texas
Property tax bills in Petrolia are based on the assessed value of a home and the local tax rates set by the taxing authorities. When a property’s market value changes, the assessed value can change too, which affects the final bill. For homeowners in Petrolia, the amount owed depends on both the home’s value and the tax rate applied to that value.
With a median home price of $51,610, property tax bills can still vary widely from one homeowner to another. The 25th percentile tax bill is $134, while the 75th percentile tax bill is $1,999 and the 90th percentile tax bill is $2,879. That spread shows how differences in home value and local assessments can create very different outcomes for similar properties.
For homeowners, a higher assessed value usually means a higher tax bill, which can affect monthly budgets and long-term housing costs. In Petrolia, the highest and lowest median tax bill is $873.00 in ZIP code 76377, showing how local conditions can shape what residents pay.
Median Petrolia Tax Bill
$873
Median Clay County Tax Bill
$1,819
Median Texas Tax Bill
$3,441
Median United States Tax Bill
$2,400
Property Tax Bills Across Petrolia, Clay County, Texas
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 76377 | $48 | $134 | $873 | $1,999 | $2,879 |
Source: Ownwell
Don't miss the deadline to protest!
Dates | |
|---|---|
| Appeal Deadline | June 4 |
Links | |
|---|---|
| Clay Appraisal District | |
| Website | www.claycad.org |