Williamson County Property Tax Guide – Trends, Appeals & How to Lower Your Bill
📍 Williamson County, TX | Updated: March 2025
Overview of Williamson County Property Taxes
Williamson County, part of the Austin metro area, is experiencing rapid growth and rising property values, leading to higher property tax assessments for homeowners, landlords, and investors. With major tech companies expanding in Austin and Round Rock, property values in cities like Georgetown, Cedar Park, and Leander have surged, pushing tax bills higher. Additionally, non-homesteaded properties, including rentals, short-term rentals (STRs), and commercial real estate, are seeing aggressive tax increases. If you own an investment property, second home, or business in Williamson County, a tax protest is one of the best ways to reduce your costs.
📌 Why It Matters: The combination of rising home values, rapid growth, and high tax rates means many Williamson County property owners are overpaying—but a tax protest can help!
📊 Williamson County Quick Facts
✔ 📍 Location: Central Texas, north of Austin
✔ 🏆 Size Rank: 45th largest county in Texas by land area (1,134 square miles)
✔ 👥 Population Rank: 12th most populous county in Texas (~700,000 residents)
✔ 🌆 Largest Cities: Round Rock, Georgetown, Cedar Park, Leander
✔ 🏙️ Metro Area Rank: Part of the Austin-Round Rock Metro Area
✔ 📈 Growth: One of the fastest-growing counties in the U.S.
✔ 🏡 Median Home Price: ~$450,000 (rising due to demand)
✔ 💰 Median Property Tax Bill: ~$9,500 per year
✔ 🏛️ Major Economic Drivers: Tech industry, healthcare, manufacturing, corporate relocations
✔ 🏟️ Major Attractions: Dell Diamond, Inner Space Cavern, Wolf Ranch, Lake Georgetown
✔ 🚗 Major Highways: I-35, SH-130, US-183, RM-620
📊 Williamson County Property Tax Trends
📈 Property Tax Rates & Assessments
Average Property Tax Rate: 2.19% of assessed value (varies by jurisdiction).
Average Home Value: ~$450,000 (up 8.2% from last year).
Median Property Tax Bill: ~$9,500 per year.
🏡 Home Value Increases (Past 5 Years)
📅 Year 🏠 Avg. Home Value 📈 % Change
2021 💲**$375,000** 🔺 +7.0%
2022 💲**$400,000** 🔺 +6.7%
2023 💲**$420,000** 🔺 +5.0%
2024 💲**$450,000** 🔺 +7.1%
2025 💲**$485,000** (est.) 🔺 +8.2%
📌 Tip: As home values increase, property tax assessments rise too! If your home’s value jumped more than similar properties in your area, you may be overpaying on property taxes.
✅ What This Means: Homeowners are facing higher tax bills due to increasing property values. If your home’s appraised value is rising faster than similar properties in your area, you might be overpaying.
🔎 Not sure if your property is over-assessed? Check Your Property’s Value
Who Pays the Highest Property Taxes in Williamson County?
Certain areas of Collin County, particularly high-growth suburbs and luxury home communities, pay higher tax rates due to school districts, city taxes, and special assessments.
💰 Highest Property Tax Rates by City
🏙️ City 📊 Est. Tax Rate 🏡 Avg. Home Price
Round Rock 2.19% 💲**$450,000**
Georgetown 2.16% 💲**$475,000**
Cedar Park 2.17% 💲**$500,000**
Leander 2.15% 💲**$490,000**
Hutto 2.20% 💲**$400,000**
📌 Tip: If your home is in a high-tax area, filing a tax protest can significantly lower your bill!
How to Protest Your Property Tax Assessment in Williamson County
If you believe your property is overvalued, you have the right to appeal your assessment with Williamson County Appraisal District (WCAD).
📅 Key Deadlines for 2025
🛑 Notice of Appraised Value Sent: Early April 2025
🛑 Property Tax Protest Deadline: May 15, 2025
Step-by-Step Guide to Filing a Protest
1️⃣ Review Your WCAD Assessment
Visit WCAD.org to check your property’s appraised value.
2️⃣ Gather Supporting Evidence
Recent sales data from similar properties.
Photos of property damage or defects affecting value.
Neighboring properties’ tax assessments (to compare values).
3️⃣ File a Protest with WCAD
✅ Online: Submit your appeal at WCAD.org
✅ By Mail: Send a written protest to WCAD before the May 15th deadline:
625 FM 1460
Georgetown TX 78626-8050
✅ In-Person: Visit WCAD’s office in Georgetown to file directly.
4️⃣ Attend Your Informal Hearing
WCAD may offer a settlement to reduce your valuation.
5️⃣ Formal Hearing
If no agreement is reached, you can present your case to the Appraisal Review Board (ARB).
🔹 Need expert help? Start Your Free Property Tax Review
💰 Save Money on Your Williamson County Property Taxes
Don’t wait—appealing your property tax assessment could save you thousands per year. If you’re unsure where to start, Texas Tax Appeal can handle the entire process for you.
📧 Email: info@texastaxappeal.com
🌐 Start Your Free Consultation
🔹 Protest Deadline: May 15, 2025
📌 Don't Overpay! Check if You Qualify for a Lower Tax Bill.
🛠 Resources for Williamson County Property Owners
📌 Williamson County Appraisal District (WCAD)
📌 Williamson County Tax Assessor’s Office - Larry Gaddes
📌 Williamson County Taxpayer Liaison Officer- Glenda Williams
🏡 Unique Property Tax Situation in Williamson County
Williamson County’s fast-growing suburbs, corporate expansion, and rising rental demand make it a hotspot for non-homesteaded property tax increases.
✔ Tech Industry Boom: The presence of Apple, Dell, and Samsung in the Austin metro is driving up demand for homes, pushing up tax assessments.
✔ High STR & Rental Demand: Cities like Georgetown and Cedar Park have seen a rise in Airbnb, VRBO, and long-term rental properties, leading to higher appraisals on investment properties.
✔ New Developments & Master-Planned Communities: Many new neighborhoods, particularly in Leander and Hutto, are experiencing rapid appreciation—causing tax bills to skyrocket.
📌 What This Means: Many Williamson County landlords, investors, and second-home owners are overpaying on property taxes—protesting your assessment can help lower your bill!
📞 Get a Free Property Tax Review Today! 🚀
This guide provides an overview of Williamson County’s property tax system, recent market trends, and how to appeal your assessment for potential tax savings.
🔹 Williamson County Appraisal District (WCAD) oversees property valuations.
🔹 Williamson County Tax Assessor-Collector- collects property taxes
🔹 Property Taxpayers' Bill of Rights
🔹 The deadline to appeal your 2025 property tax assessment is May 15.
📞 Need help filing a protest? Get a Free Consultation or Sign Up to Protest Now