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Cedar Park, Williamson County, Texas Property Taxes

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Property Taxes in Cedar Park, Texas

  • Median Cedar Park, Texas effective property tax rate: 1.52%, significantly higher than the national median of 1.02%, and higher than the Texas state median of 1.48%.

  • Median Cedar Park, Texas home value: $446,174

  • Median annual Cedar Park, Texas tax bill: $7,028, $4,628 higher than the national median property tax bill of $2,400.

How are property taxes in Williamson County calculated?

Property taxes in Cedar Park, 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 Cedar Park's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Cedar Park, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Cedar Park, Williamson County, Texas Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.52%

Estimate Property Tax Bill

$6,782

$6,293

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Cedar Park Property Tax Calculator Work?

Use this Cedar Park property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Cedar Park's median effective tax rate of 1.52% — based on actual property records in Williamson 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 Cedar Park'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 Cedar Park: rates range from $6,968 in 78613 to $9,962 in 78641, primarily due to differences in school district levies and local assessment districts. Cedar Park's median property tax bill of $7,028 is higher than the Texas median of $4,628 and above the national median property tax rate of 1.02% and national median property tax bill of $2,400.

If your estimate is higher than expected, Ownwell can appeal your Cedar Park assessment — you only pay if we save you money.

About Cedar Park Property Taxes

About Property Taxes in Cedar Park, Williamson, Texas

Cedar Park’s median effective property tax rate of 1.52% is higher than the Texas state median of 1.48% and higher than the national median of 1.02%. This rate reflects the Williamson County base levy combined with local school district levies and Municipal Utility Districts (MUDs) that vary by subdivision throughout the city.

Property tax rates are not uniform across Cedar Park. Homeowners in the 78613 ZIP code carry a median effective rate of 1.52%, while those in 78641 pay 1.49%. This spread — 0.03 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Williamson County. Understanding which part of Cedar Park you live in can make a meaningful difference to your annual tax bill.

Cedar Park 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 Cedar Park, Williamson 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 Cedar Park's effective property tax rate to other cities in Texas and the median property tax rates in Texas and the U.S.

Property Tax Rates Across Cedar Park, Williamson County, Texas

Source: Ownwell

0.98%

1.52%

2.06%

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 Cedar Park Tax Rate

1.52%

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 Williamson County Tax Rate

1.53%

Median Effective Texas Tax Rate

1.48%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Cedar Park, Williamson County, Texas

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
786130.79%1.34%1.52%1.78%1.97%
786410.96%1.41%1.49%1.57%1.82%

Source: Ownwell

Property Tax Assessment Values Across Cedar Park, Williamson County, Texas

When examining property taxes in Cedar Park, 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 Williamson 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 Williamson County, assessment notices are sent in April 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 Cedar Park, the median home price is $446,174, with a median tax bill of $7,028. The highest median home price is in 78641 at $664,840, while the highest median tax bill is also in 78641 at $9,962.

Property Tax Assessment Values Across Cedar Park, Williamson County, Texas

Source: Ownwell

$34,594

$349,717

$664,840

Median Cedar Park Market Value

$446,174

Median Williamson County Market Value

$408,017

Median Texas Market Value

$258,851

Median United States Market Value

$235,294

Property Tax Assessment Values Across Cedar Park, Williamson County, Texas

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
78613$327,791$367,063$441,302$560,774$721,976
78641$567,398$621,609$664,840$722,508$787,949

Source: Ownwell

Property Tax Bills Across Cedar Park, Williamson County, Texas

Property tax bills in Cedar Park are based on the assessed value of a home and the local tax rates set by taxing authorities. For homeowners, that means a higher market value can lead to a higher tax bill, while a successful appeal can help lower what is owed. In Cedar Park, the median home price is $446,174, and the property tax burden is well above the national median property tax rate of 1.02% and the national median property tax bill of $2,400.

Bills can vary widely across the city, with the 25th percentile at $5,160, the 75th percentile at $9,105, and the 90th percentile at $11,449. The highest median tax bill is $9,962 in ZIP code 78641, while the lowest median tax bill is $6,968 in ZIP code 78613.

Ownwell helps homeowners save by reviewing their assessed value, identifying opportunities for appeal, and handling the process to reduce property tax bills.

Property Tax Bills Across Cedar Park, Williamson County, Texas

Source: Ownwell

$462

$5,212

$9,962

Median Cedar Park Tax Bill

$7,028

Median Williamson County Tax Bill

$6,257

Median Texas Tax Bill

$3,441

Median United States Tax Bill

$2,400

Property Tax Bills Across Cedar Park, Williamson County, Texas

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
78613$2,928$5,112$6,968$8,985$11,361
78641$6,185$8,480$9,962$11,455$12,622

Source: Ownwell

Don't miss the deadline to protest!

Frequently Asked Property Tax Questions in Cedar Park, Texas

How are property taxes calculated in Cedar Park, Texas?
Property taxes in Cedar Park, Texas are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Cedar Park, Texas?
To appeal your property taxes in Cedar Park, Texas, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Cedar Park, Texas?
Common property tax exemptions in Cedar Park, Texas include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Cedar Park, Texas?
Property tax deadlines in Cedar Park, Texas vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Cedar Park, Texas?
Ownwell provides professional property tax appeal services in Cedar Park, Texas. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.