What is the property tax rate in Round Rock, TX?

Round Rock has an estimated effective property tax rate of 1.66%. On a median home valued at $383,700, homeowners pay approximately $6,381 per year in property taxes.

How does Round Rock compare to Williamson County?

Round Rock's effective rate of 1.66% is 3% higher than the Williamson County average of 1.61%. The county-wide median annual tax is $7,205, while Round Rock homeowners pay an estimated $6,381.

How much are property taxes in Round Rock on a $300,000 home?

Based on Round Rock's effective rate of 1.66%, property taxes on a $300,000 home would be approximately $4,980 per year, or about $415 per month.

Round Rock Property Tax Rate

Williamson County, Texas

1.66%effective rate

Round Rock is located in Williamson County, Texas. Homeowners in Round Rock pay a median of $6,381 per year in property taxes on a home valued at $383,700, resulting in an effective tax rate of 1.66%. This is 3% higher than the Williamson County average of 1.61%.

Effective Tax Rate🏠

1.66%

vs 1.61% county avg

Est. Annual Tax💰

$6,381

Per year

Median Home Value📊

$383,700

2024 estimate

Population📍

124,288

Round Rock, TX

How Round Rock Compares

Round Rock

1.66%

Williamson County Average

1.61%

Texas Average

1.49%

National Average

0.92%

Cities in Williamson County

Compare property tax rates for 5 cities in Williamson County, Texas.

City	Population	Annual Tax	Rate
Hutto	32,188	$6,431	2.04%
Leander	67,880	$8,925	1.90%
Cedar Park	77,474	$8,860	1.87%
Round Rock	124,288	$6,381	1.66%
Georgetown	78,803	$6,189	1.55%

About Property Taxes in Round Rock

Property taxes in Round Rock are collected by Williamson County. Tax exemptions available to Williamson County residents — including homestead, senior, and disability exemptions — also apply to homeowners in Round Rock. For detailed information on available exemptions and the county tax collector, see the Williamson County property tax page.

Property Tax Calculator

Estimate your annual property tax in Round Rock

Home Value

$50k$2M

Apply homestead exemption ($100,000 school tax reduction)

Estimated Annual Property Tax

$4,980

$415/month · Rate: 1.66%

Williamson County Property Taxes

County-level data, exemptions, historical trends, and tax collector info.

View county details →

Texas Property Taxes

Statewide rates, all 250 counties, and exemptions.

View state details →

Think your property tax is too high?

Homeowners save an average of $1,148/year by appealing their assessment.

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Frequently Asked Questions

Data Source: U.S. Census Bureau, 2024 American Community Survey 5-Year Estimates. City-level tax data is derived from Census place-level statistics. Effective tax rates are calculated by dividing median real estate taxes paid by median home value. Actual property tax rates may vary based on local taxing jurisdictions, exemptions, and assessment practices. This information is for general reference only and should not be used as a substitute for professional tax advice.