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Williamson Central Appraisal District 2025 Value Increases Williamson Central Appraisal District has released proposed noticed values for property tax
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assessments for 2025. The Williamson Central Appraisal District (CAD) increased residential property values by 6.3%, up from 4.1% in 2024. Commercial property values rose by 10%, a slight
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decrease from the 12.5% increase seen last year. While these adjustments account for both
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existing properties and new construction, they appear to be generally out of step with market trends reported by independent third parties.
PROPOSED VALUE NOTICES
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Unlike most taxes, your property taxes come with a rare opportunity — the chance to negotiate. The notices you receive from Williamson CAD are labeled “proposed” or “preliminary” for a
reason: they’re not set in stone unlike other taxes. For example, when you file your federal taxes, there’s no back-and-forth with the IRS about how much you owe. However, property taxes are
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different. If you believe your valuation is too high, you have the right to challenge it every year.
WHY PROPERTY TAXES CAN BE CHALLENGED The Williamson CAD faces the enormous task of assessing the value of every piece of real
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estate and taxable business personal property (BBP) across Williamson County. Due to limited staffing and resources, the district relies on a technique known as mass appraisal to determine
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property values. Unlike the detailed appraisal process used when buying or refinancing a home—where an appraiser typically inspects the property in person—mass appraisals do not involve individual property visits. This means no one from the district is likely to walk through your home, take measurements, or evaluate its current state. Because this approach is inherently broad and often imprecise, the Texas Legislature has put a system in place that allows property owners to contest their annual tax assessments. Both lawmakers and appraisal officials recognize that it’s not feasible to deliver perfectly accurate
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Call 713.290.9700 to discuss with a representative. Please monitor your E-mail and spam filter. If you don't receive your enrollment documents within 24 business hours, call 713.290.9700 8am - 5pm CST By providing your mobile number, you consent to receive text messages and/or ringless voicemail messages from O’Connor regarding your account.
valuations for every property each year, so the opportunity to review and dispute your assessed value exists by design.
WILLIAMSON COUNTY RESIDENTIAL PROPERTY TAX REASSESSMENT Williamson CAD estimates the value of homes has increased by 6.3% depending on when they were built, value, and square footage.
HOME MARKET VALUE JANUARY 2024 – MARCH 2025 In Texas, the notice market value is the appraised value of a property as of January 1st, as determined by the local appraisal district, in this case Williamson CAD. This value is based on the property’s market value, which is the price at which a property is purchased. Based on January 2025 sales, both houses that are overvalued and valued at or below market value is 50%. The 2024 notice market value for overvalued homes is $2.967 billion and for homes valued at or below is $2.930 billion.
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