Williamson County, TX Property Tax Protest Deadline
In Williamson County, you protest your home's appraised value with the Appraisal Review Board. The deadline is May 15, or 30 days after the appraisal district mailed your notice of appraised value – whichever is later. Use Form 50-132 or the district's online protest system.
How to protest your property value in Williamson County
| Who decides | The Williamson Central Appraisal District Appraisal Review Board (ARB) |
|---|---|
| Deadline | May 15, or 30 days after the notice of appraised value was mailed – whichever is later |
| Form | Texas Comptroller Form 50-132, Property Owner's Notice of Protest (a written letter that identifies you, the property and what you disagree with also counts) |
| Next cycle | Notices of appraised value usually arrive in spring; your notice shows your exact deadline |
| Using an agent | Form 50-162, Appointment of Agent |
| Official Williamson County link | https://www.wcad.org/wp-content/uploads/2026/04/Protest-Process-Overview-2026.pdf |
Common questions
What is the property tax protest deadline in Williamson County?
May 15, or 30 days after the appraisal district mailed your notice of appraised value, whichever is later. The exact date is printed on your notice.
How do I file a protest?
File Form 50-132 (or a written notice) with the Appraisal Review Board. Most appraisal districts, including Williamson Central Appraisal District, also accept protests online.
What can I protest?
The appraised value, unequal appraisal compared with similar homes, denied exemptions, and other appraisal district decisions listed on Form 50-132.
Do I need a lawyer or protest company?
No. Homeowners can file and attend the hearing themselves. If you want someone to represent you, file Form 50-162.
Related
- Williamson County, TX property tax rate
- Texas property tax overview
- Harris County, TX property tax protest deadline
- Dallas County, TX property tax protest deadline
- Tarrant County, TX property tax protest deadline
- Bexar County, TX property tax protest deadline
Last reviewed October 31, 2026. Rules and links come from the official sources shown above. Deadlines can move when a date falls on a weekend or holiday, and your notice shows your exact date – always check it. This page is general information, not tax or legal advice.