In Williamson County, Texas the effective property tax rate is 1.71%. The median homeowner pays $7,079 a year in real estate taxes on a home with a median value of $414,600. That rate is the 22nd highest of the 250 Texas counties with published data, and the 211th highest of 3,132 counties in the United States.
Property tax in Williamson County
The effective rate is the median real estate tax paid divided by the median home value. The Texas statewide average is 1.58%, so Williamson County is above it. Applying this county's rate to other home prices gives a rough idea of the yearly bill; actual bills depend on the school district, exemptions and the assessed value.
| Home value | Estimated tax per year | Per month |
|---|---|---|
| $200,000 | $3,420 | $285 |
| $300,000 | $5,130 | $428 |
| $400,000 | $6,840 | $570 |
| $414,600 (county median) | $7,080 | $590 |
| $500,000 | $8,550 | $713 |
Home values and incomes
The median home value is $414,600 (5th highest in Texas, 200th highest nationally) and the median household income is $108,309. Homes cost about 3.8 times a typical household's yearly income. Median gross rent is $1,720 a month. 67.1% of occupied homes are owner-occupied. Homeowners with a mortgage pay a median of $1,556 a year for insurance. For comparison, the Texas statewide median home value is $296,424.
Counties near Williamson County in the Texas property tax ranking
| County | Effective rate | Median home value |
|---|---|---|
| Lynn County | 1.73% | $130,800 |
| Denton County | 1.72% | $403,400 |
| Harris County | 1.72% | $255,000 |
| Williamson County | 1.71% | $414,600 |
| Fisher County | 1.70% | $77,600 |
| Dallas County | 1.68% | $277,900 |
| Nueces County | 1.68% | $194,700 |
Frequently asked questions
What is the property tax rate in Williamson County, Texas?
The effective property tax rate is 1.71% of home value per year, the 22nd highest of 250 counties in Texas (Census ACS 2023 5-year estimates).
How much is property tax on a $300,000 home in Williamson County?
At the county's effective rate of 1.71%, about $5,130 a year (roughly $428 a month). Your actual bill depends on the assessed value, your school district and exemptions.
What is the median home value in Williamson County?
The median home value is $414,600 (Census ACS 2023 5-year estimates, owner-occupied homes).
What is the median household income in Williamson County?
The median household income is $108,309 (Census ACS 2023 5-year estimates).