AppealDesk

Williamson County Property Tax Protest, Texas

Travis BunnTravis Bunn·Updated July 24, 2026

Williamson County is one of the fastest-growing counties in the United States, located just north of Austin in the heart of Central Texas. With a 2025 estimated population exceeding 750,000, the county seat is Georgetown and major population centers include Round Rock, Cedar Park, Leander, and Hutto. Property tax protests are particularly critical here due to the county's explosive growth and higher-than-average tax burden. The median home value of approximately $414,600 is 47% above the national median, and the effective tax rate of 1.71% results in median annual property taxes of $7,079, significantly higher than both the Texas state average of $4,111 and the national median of $2,400.

Notable cities: Georgetown, Round Rock, Cedar Park, Leander, Hutto, Taylor

Median Home

$414,600

Tax Rate

1.71%

Annual Tax

$7,079

On the typical Williamson County home, valued near $414,600 at the county’s effective tax rate of 1.71%, an over-assessment of even 10% means you are overpaying year after year until you protest it. Here is how to find out if yours qualifies.

2026 Protest Deadline: May 15, 2026, or 30 days after the Notice of Appraised Value was mailed, whichever is later

This year's protest window has passed in most of Texas. Order now and we re-run your numbers free when the window reopens, so your evidence is ready the day your next notice lands.

The protest deadline is the later of May 15, 2026, or 30 days from the date your Notice of Appraised Value was mailed (not the date you received it). Your specific deadline is printed on your notice. WCAD typically mails notices in mid-April. If your notice was mailed after April 15, you have 30 days from that mailing date. Missing this deadline may forfeit your right to protest for the year, with very limited exceptions under Texas Tax Code §41.44.

Want the full walkthrough? Read our Williamson County Property Tax Protest Guide with evidence strategies and hearing tips.

See if your Williamson County home is over-assessed

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White two-story Texas home with shade trees. Williamson County protest guide.

How Williamson County Assesses Property

100%of market value

Assessed by: Williamson Central Appraisal District (WCAD)

Assessment cycle: annual

Notices typically mailed: April (typically mid-April)

In Texas, properties are assessed at 100% of market value, meaning your assessed value equals the market value determined by the appraisal district. For example, if your home's market value is $414,600 (the Williamson County median), at Texas's 100% assessment ratio your assessed value would be $414,600, resulting in approximately $7,089 in annual taxes at the county's effective rate of 1.71%. Unlike some states that assess at a fraction of market value, Texas uses the full appraised amount as the basis for calculating your property tax bill.

The Protest Process

Appeals are heard by the Appraisal Review Board (ARB). ARB hearings in Williamson County are formal but property owner-friendly. You will present your evidence to a panel of three board members, and WCAD will present their case. Hearings typically last 15-20 minutes. The ARB will issue a written order with their determination, usually within 2-4 weeks after the hearing.

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Step 1: Review your Notice of Appraised Value when it arrives in April. Compare the appraised value to what your home would realistically sell for today and check if the property description and square footage are accurate.

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Step 2: File your Notice of Protest by May 15, 2026, or within 30 days of your notice mailing date (whichever is later). Use WCAD's online portal at https://www.wcad.org with your online passcode, mail Form 50-132, or file in person at 625 FM 1460, Georgetown, TX 78626.

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Step 3: Gather evidence to support your protest including comparable sales data from similar properties sold within the past year in your neighborhood, photographs documenting property condition or needed repairs, recent appraisals, and equity analysis showing unequal appraisal compared to similar homes.

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Step 4: Attend the informal review meeting with a WCAD appraiser (typically scheduled the same day as your ARB hearing in Williamson County). Present your evidence and try to negotiate a settlement. This meeting typically lasts 15 minutes and many disputes are resolved at this stage without proceeding to formal hearing.

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Step 5: If no agreement is reached at the informal review, proceed to your formal Appraisal Review Board (ARB) hearing. Present your evidence to a panel of three ARB members who will hear both your case and the appraisal district's case. The ARB will issue a written order with their decision, typically within a few weeks.

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Step 6: If dissatisfied with the ARB decision, you may appeal to district court by filing a petition within 60 days of receiving the ARB's written order, or request binding arbitration (for properties valued under $5 million) within 60 days, or appeal to the State Office of Administrative Hearings (SOAH) for certain commercial properties over $1 million.

Required form: Form 50-132 (Notice of Protest) or online filing through WCAD portal

Filing Methods

online:File at https://www.wcad.org using the Quick Reference ID and online passcode printed on your Notice of Appraised Value. This is the fastest method and may qualify you for early hearing scheduling.
mail:Mail completed Form 50-132 to Williamson Central Appraisal District, 625 FM 1460, Georgetown, TX 78626. Send certified mail with return receipt for proof of timely filing.
in-person:Deliver Form 50-132 in person to WCAD office at 625 FM 1460, Georgetown, TX 78626, Monday-Friday 8:00 AM - 5:00 PM

Evidence to Bring

Comparable sales data from similar homes in your neighborhood sold within the past 12 monthsPhotographs documenting property condition, needed repairs, or defects (foundation issues, roof damage, outdated features)Recent professional appraisal (if available)Unequal appraisal analysis showing your assessment is higher than similar propertiesRepair estimates or contractor quotes for significant issuesProperty listing history if home failed to sell at appraised price

Williamson County Assessor Contact

Williamson Central Appraisal District (WCAD)

Phone: 512-930-3787

Address: 625 FM 1460, Georgetown, TX 78626

Website: https://www.wcad.org

Online Portal: https://www.wcad.org (click E-Services for online protest filing and property search)

Hours: Monday - Friday, 8:00 AM - 5:00 PM

Tax Exemptions in Williamson County

General Residence Homestead Exemption

$140,000 reduction in taxable value for school district taxes (increased from $100,000 under Senate Bill 4 and Proposition 13). Some cities and special districts offer additional 0-20% local option exemptions.

Reduces the taxable value of your primary residence for school district taxes and may provide reductions for other taxing units

Eligibility: You must own and occupy the property as your principal residence on January 1 of the tax year. You must have a Texas driver's license or Texas ID card showing the homestead address. You cannot claim a homestead exemption on any other property in Texas or elsewhere. The homestead exemption also caps annual appraised value increases at 10%.Deadline: April 30 (but you may qualify for the exemption as soon as you own and occupy the property if the previous owner did not receive it)

Over-65 Exemption

Additional $10,000 off school district taxes (on top of the general homestead exemption), plus Williamson County offers an additional $125,000 exemption off county taxes. School taxes are frozen at the ceiling amount, meaning they cannot increase as long as you own and occupy the home.

Provides additional tax savings for seniors and freezes school district taxes at the amount in the year the owner turned 65

Eligibility: One owner must be 65 years of age or older. The property must be your principal residence homestead. You can apply any time during the year you turn 65. Requires a Texas driver's license or ID card showing the homestead address.Deadline: You may apply at any time during or after the year you turn 65, but filing by April 30 ensures the exemption applies to that full tax year

Disabled Person Exemption

Additional $10,000 off school district taxes, plus Williamson County offers an additional $125,000 exemption off county taxes. School taxes are frozen at the ceiling amount. The tax ceiling can be transferred to a subsequent homestead within Texas.

Provides substantial tax relief for homeowners with disabilities and freezes school taxes

Eligibility: You must be determined disabled by a federal agency such as the Social Security Administration or receive disability retirement benefits. The property must be your principal residence homestead. Cannot claim both disabled person and over-65 exemption simultaneously (you receive whichever provides greater benefit).Deadline: April 30, but you may file late if you can show good cause for missing the deadline

Disabled Veteran Exemption

10-29% disability: $5,000 off assessed value; 30-49%: $7,500; 50-69%: $10,000; 70-99%: $12,000; 100% disabled veterans or veterans rated 100% unemployable receive a total exemption from all property taxes on their homestead.

Partial or total exemption from property taxes based on VA disability rating

Eligibility: Must have a VA-rated service-connected disability. The property must be your principal residence. The exemption applies to one property only. Surviving spouses of disabled veterans may also qualify for continued exemption benefits.Deadline: April 30, but late applications may be accepted with supporting documentation

Williamson County Protest Statistics

Success Rate

54% at informal level, 55% at ARB

Avg Reduction

$808

% Who Protest

31% (over 85,000 protests filed in 2024)

Williamson County Protest Packet · $49

Comparable sales evidence, county-specific filing guide, and professional cover letter. Enter your address to get started.

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Frequently Asked Questions

What is the deadline to protest my property taxes in Williamson County for 2026?
The Williamson County property tax protest deadline for 2026 is May 15, 2026, or 30 days after WCAD mailed your Notice of Appraised Value, whichever is later. Your specific deadline is printed directly on your notice, and it's based on the mailing date, not the date you received it. WCAD typically mails notices in mid-April. If your notice was mailed after April 15, you have 30 days from that mailing date to file. Missing this deadline may forfeit your right to protest for the year with very limited exceptions, so it's important to file as soon as possible after receiving your notice.
How do I file a property tax protest online in Williamson County?
To file online in Williamson County, visit https://www.wcad.org and click on E-Services or the online protest filing option. You'll need your Quick Reference ID and online passcode, which are both printed on your Notice of Appraised Value. The online system will guide you through selecting your protest grounds (typically 'value is over market value' and/or 'unequal appraisal'). Online filing is the fastest method, creates an instant confirmation record, and may qualify you for earlier hearing scheduling. The system is specifically designed for market value and unequal appraisal protests. If you're protesting for other reasons like exemption denial, you'll need to submit the paper form instead.
What is the homestead exemption worth in Williamson County in 2026?
The general residence homestead exemption in Williamson County provides a $140,000 reduction in taxable value for school district taxes in 2026, which was increased from $100,000 under Texas Senate Bill 4 and Proposition 13. This means if your home is appraised at $414,600 (the county median), you would only pay school taxes on $274,600. Additionally, various cities and special districts in Williamson County may offer local option homestead exemptions ranging from $5,000 to 20% of your home's value. The homestead exemption also caps your annual appraised value increases at 10% for school taxes, providing long-term protection against rapid property value appreciation. You must file for this exemption with WCAD by April 30 to receive it for that tax year.
What evidence do I need for a successful Williamson County property tax protest?
The most effective evidence for Williamson County protests includes recent comparable sales data from similar homes in your neighborhood that sold within the past 12 months, showing that your appraised value exceeds actual market sales prices. Photographs documenting property condition issues like foundation cracks, roof damage, outdated kitchens or bathrooms, or deferred maintenance are also powerful evidence that mass appraisal models can't detect. An unequal appraisal analysis demonstrating that your assessed value per square foot is higher than comparable neighboring properties can support a reduction even if your market value seems accurate. Recent professional appraisals, contractor repair estimates for significant issues, and evidence that your home failed to sell at or near the appraised price are also compelling. WCAD appraisers and ARB panels respond to objective data and comparable sales analysis rather than arguments about affordability or general disagreement with taxes.
What happens at an ARB hearing in Williamson County?
In Williamson County, you'll typically first attend a brief 15-minute informal review meeting with a WCAD appraiser on the same day as your scheduled ARB hearing. Many protests are resolved at this informal stage through negotiated settlements. If you don't reach an agreement, you'll proceed to your formal ARB hearing where you'll present your evidence to a panel of three independent board members. The hearing is structured but property-owner friendly, you'll have time to present your evidence, the WCAD representative will present their case, and board members may ask questions. Hearings typically last 15-20 minutes. The ARB will consider all evidence presented and issue a written order with their determination, usually within 2-4 weeks. You'll receive the decision by mail, and if you're still dissatisfied, you have additional appeal options including district court or binding arbitration.
How much can I save by protesting my property taxes in Williamson County?
In 2024, Williamson County protesters achieved an average savings of $808 per successful protest, with 54% success at the informal level and 55% success at formal ARB hearings. On a median Williamson County home valued at $414,600, even a modest 5% reduction in appraised value would lower your assessed value by approximately $20,730, saving you roughly $354 annually at the county's 1.71% effective tax rate. A 10% reduction would save approximately $709 per year. These savings compound over time, as a lower base value means your future increases start from a lower point. With over 85,000 protests filed annually in Williamson County (representing 31% of all parcels), property owners clearly see the value in challenging their assessments, especially in a high-growth area where mass appraisal models frequently miss neighborhood-specific market conditions.
Can I protest my Williamson County property taxes even if my value didn't increase?
Yes, absolutely. A flat year-over-year value doesn't mean your assessment is correct. Many Williamson County neighborhoods have experienced market corrections or localized cooling that WCAD's mass appraisal model may not capture accurately. You can protest on 'unequal appraisal' grounds, arguing that your property is assessed higher than comparable properties in your area, even if your individual value seems consistent with last year. Texas law allows you to protest if your property is appraised unequally compared with similar properties, regardless of whether the market value itself is accurate. Given that property values in numerous Williamson County submarkets have softened while others remain strong, a neighborhood-specific comparable sales analysis can reveal over-assessment even when your appraisal appears stable. There is no risk to protesting, your value cannot increase as a result of filing.
What happens if I miss the May 15 protest deadline in Williamson County?
Missing the May 15 deadline (or your 30-day deadline if your notice was mailed late) generally means you forfeit your right to protest for that tax year, with very limited exceptions. Under Texas Tax Code §41.44, late filings are not accepted unless you can demonstrate 'good cause' for the delay, which typically means circumstances beyond your control like medical emergencies, military deployment, or documented proof you never received your notice. WCAD and the ARB have strict interpretation of these exceptions. If you believe you missed the deadline due to extraordinary circumstances, you should contact WCAD immediately with documentation, but approval is not guaranteed. The best approach is to file well before the deadline, WCAD's online system can slow down in the final days as thousands of homeowners file at the last minute. Mark your calendar when you receive your notice and file within a week if possible to ensure you preserve your protest rights.

Official Resources

Williamson Central Appraisal District Official Website →

Access property search, online protest filing, exemption applications, and all official WCAD forms and information.

Texas Comptroller Property Tax Information →

Comprehensive statewide property tax resources, protest guidelines, exemption information, and Texas Property Tax Code references.

WCAD Online Protest Filing Portal →

File your property tax protest online, access property records, and submit exemption applications electronically through WCAD's E-Services portal.

Texas Property Tax Arbitration →

Information about binding arbitration as an appeal option after ARB decisions for properties valued under $5 million, including how to file requests.

For state-wide protest information including Texas's assessment ratio and deadlines, see our Texas Property Tax Protest Guide →

Considering professional help with your protest? Compare pricing, coverage, and pros/cons in our Best Property Tax Protest Services (2026) or browse side-by-side service comparisons →

More Texas Counties

Angelina County (Lufkin)Bastrop County (Bastrop)Bell County (Killeen)Bexar County (San Antonio)Brazoria County (Pearland)Brazos County (Bryan)
← All Texas property tax protest info

Sources: https://www.wcad.org | https://www.kvue.com/article/money/property-taxes-deadline-looms-central-texas-property-owners/269-124a7a26-e1b6-4a90-8702-e14e73de8e2e | https://propertytaxrates.org/counties/texas/williamson-county/ | https://www.wilcotx.gov/734/Property-Tax | https://www.appealdesk.com/appeals/texas/williamson | https://www.ballardpropertytaxprotest.com/county/williamson | https://en.wikipedia.org/wiki/Williamson_County,_Texas | https://worldpopulationreview.com/us-cities/texas/georgetown | https://texaslawhelp.org/article/property-tax-protest-and-appeals

Last verified: 2026-07-24