Williamson County, Texas home prices
Typical home $394,699 · -4.8% in a year · property tax 1.61%
The typical home in Williamson County is worth $394,699, 33% more than the Texas typical home ($296,424). Values changed -4.8% in the past year and -12.7% over five years. Homeowners here pay a median 1.61% of their home's value in property tax each year ($6,362 on the typical home), versus 1.32% statewide.
Mortgage on the typical Williamson County home
| Down payment | Cash down | Loan | Principal + interest | PMI / MIP | Tax + insurance | Total / month | Income needed |
|---|---|---|---|---|---|---|---|
| 20% down | $78,940 | $315,760 | $2,124 | $0 | $728 | $2,852 | $122,200 |
| 10% down | $39,470 | $355,230 | $2,390 | $148 | $728 | $3,265 | $139,900 |
| 5% down | $19,735 | $374,965 | $2,522 | $156 | $728 | $3,406 | $146,000 |
| 3.5% down (FHA) | $13,814 | $387,551 | $2,607 | $175 | $728 | $3,509 | $150,400 |
Assumes a 30-year fixed loan at 7.11%, property tax of 1.61% of the home value a year, homeowners insurance of 0.6% a year, PMI of 0.5% of the loan a year when the down payment is under 20%, and FHA mortgage insurance of 0.55% a year plus a 1.75% upfront premium added to the loan. Your rate, taxes and insurance will differ.
What it takes: see what you can afford by salary in Texas · part of the Austin metro area.
Texas counties with similar prices
| County | Typical home | 1-yr change | Tax rate |
|---|---|---|---|
| Wilson County | $395,462 | -0.2% | 1.22% |
| Somervell County | $408,550 | +1.1% | 0.91% |
| Rockwall County | $409,262 | -2.3% | 1.54% |
| Hood County | $379,202 | +0.2% | 1.05% |
| Fort Bend County | $374,185 | -2.1% | 1.86% |
| Ellis County | $370,493 | -0.8% | 1.35% |
| Burnet County | $419,257 | -2.4% | 1.06% |
| Wise County | $370,072 | -0.3% | 1.14% |
| Austin County | $420,802 | +0.2% | 1.16% |
| Kerr County | $367,529 | -1.9% | 0.97% |
Frequently asked questions
What is the average home price in Williamson County, TX?
The typical home value in Williamson County is $394,699 (Zillow Home Value Index, September 2026).
How much do you need to earn to buy a house in Williamson County?
About $122,200 a year for the typical home with 20% down at a 7.11% 30-year rate.
What is the property tax rate in Williamson County?
The median effective rate is 1.61% of home value a year (Census ACS 2024 5-year estimates).