Property Tax Resources · Williamson County, Texas
Williamson County
Property Taxes
One of the fastest-growing counties in the U.S. — and one of the most important places in Texas to protest your appraisal.
Property Tax Resources · Williamson County, Texas
One of the fastest-growing counties in the U.S. — and one of the most important places in Texas to protest your appraisal.
Sources: Population — U.S. Census Bureau ACS 2024 estimates; Effective Tax Rate & Avg Annual Bill — Ownwell / Census ACS 2024; Protest Success Rate — Texas Comptroller PTAD data, approximate.
🔴 2026 Protest Deadline: May 15, 2026 — or 30 days after your Notice of Appraised Value is mailed, whichever is later. Miss this date and you waive your right to protest.
Williamson County (Wilco) is one of the fastest-growing counties in the United States, anchored by Georgetown, Round Rock, Cedar Park, and Leander. The tech sector boom, Austin metro spillover, and major corporate relocations have driven population from 609,000 in 2020 to more than 727,000 by 2024. Appraisals surged during the 2020–2022 run-up and in many cases have not corrected proportionally to market normalization since.
In 2023, over 54% of protests filed in Williamson County resulted in a value reduction — one of the highest success rates in Texas. The Williamson Central Appraisal District processes a high volume of protests, and the informal settlement process is active and productive. With an average tax bill approaching $4,000, even a 5% reduction saves real money. File before May 15.
Official CAD site — appraisal notices, exemption applications, and district contact information.
Search your property record, view current appraised value, and verify exemption status.
Williamson Central Appraisal District protest procedures, online filing portal, and deadline information for the current year.
Every taxing entity’s proposed rate, adopted rate, and public hearing schedule for Williamson County.
Enter the date your Notice of Appraised Value was mailed to find your exact filing deadline.
Every taxing unit in Williamson County — your school district, city, county — must publish its proposed rate and hold a public hearing before adopting any rate exceeding the no-new-revenue rate. These meetings are open. Your voice is on the record.
| Taxing Entity | Type | Rate (2024 approx.) |
|---|---|---|
| Williamson County | County | ~$0.39/$100 |
| Georgetown ISD | School District | ~$1.08/$100 |
| Round Rock ISD | School District | ~$0.92/$100 |
| Leander ISD | School District | ~$1.02/$100 |
| Taylor ISD | School District | ~$0.96/$100 |
| City of Georgetown | City | ~$0.39/$100 |
| City of Round Rock | City | ~$0.32/$100 |
| City of Cedar Park | City | ~$0.38/$100 |
| Multiple MUDs & Special Districts | Special District | Varies |
Rates shown are approximate 2024 adopted rates. Verify current rates at williamson.countytaxrates.com. Special districts vary by location — check your tax statement for all entities billing your property.
Search your account at wcad.org. Know your Notice of Appraised Value and the deadline printed on it.
File online, by mail, or in person at Williamson Central Appraisal District: 625 FM 1460, Georgetown, TX 78626. Deadline: May 15, 2026 or 30 days after your notice was mailed.
Recent sales of comparable homes, your purchase price, photos of property condition issues, and repair estimates all strengthen your case.
Before your ARB hearing, a CAD appraiser may offer to settle. Review any offer carefully before accepting — you can accept or proceed to the formal hearing.
The Appraisal Review Board is independent of the CAD. Present your evidence clearly and concisely. Most hearings run 15–30 minutes.
Disagree with the ARB ruling? You may appeal to district court, binding arbitration, or SOAH (properties over $1 million).
“No person’s particular services shall be demanded, nor property taken or applied to public use, unless by the consent of himself or his representative, without just compensation being made therefor.”
— Section 13, Declaration of Rights, Republic of Texas, 1836
Williamson County has grown from a quiet Central Texas farming community to one of the most watched growth corridors in the country — and the tax burden has grown with it. Behind every line item in every school budget and city budget is a rate set by elected officials in a public meeting. Those meetings are open. Your voice belongs there. Look up your value. File your protest. Attend the rate hearings.
For informational and educational purposes only. Property-Taxes-Texas.com is a citizen advocacy and education resource. Nothing on this site constitutes legal, financial, tax, or appraisal advice. We are not attorneys, CPAs, or licensed appraisers. Consult a licensed Texas attorney, qualified financial advisor, or certified appraiser for guidance specific to your situation. Deadlines, rates, and statutes are subject to change — verify all details with your county appraisal district or the Texas Comptroller before acting.
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