Williamson County Property Tax Trends documents that Williamson County Appraisal District has experienced substantial growth in market value. The number of tax parcels has risen only slightly. Large increases in assessed values have caused Williamson County residents to protest at well above the statewide average. Williamson is at 26% versus the statewide average of 10%. This site has details on number of tax protests, appraisal review board members, budget, number of appraiser total market value, total taxes levied, value by type of property, number of judicial appeals, number of appraisal district staff, appraisal district budget and much more.

The market value of Williamson County taxable property rose from $42 billion in 2014 to $78 billion in 2018. This is a 86% increase over 5 years; 17.1% per year! These large increases are part of the impetus for Senate Bill 2, which caps taxes for school at 2.5% and cities / counties at 3.5% per year for existing property, plus the value of new construction.

Property tax savings from protest hearings at Williamson County Appraisal District (WCAD) have increased sharply: from $16.3 million in 2012 versus $39.0 million in 2018. Commercial accounts were reduced $29 million in 2018 versus residential accounts for $10 million. There are more residential accounts protested but the commercial accounts receive virtually all the tax adjustments during appeals. The ratio of tax savings at the administrative hearings is 25% single family and 75% commercial. This ratio is typical.

The number of tax protests in Williamson Appraisal District increased by about 110%; from 29,770 in 2014 to 50,040 in 2018. Williamson County Appraisal District 2018 property tax protests include 39,630 residential and 18,410 commercial accounts. Residential accounts for 68% of the appeals but for 25% of the savings ($10 million out of $39 million in 2018).

Judicial appeals in Williamson County have ranges from a low of 19 in 2015 and a high of 65 in 2018. There does not appear to be a trend. Property tax savings in Williamson County due to judicial appeals have been moderate given the size of the county. Most appeals are resolved without trial. Judicial appeal tax reduction average $2 million per year from 2014 to 2018.

The Williamson County Appraisal District budget rose from $10.0 million in 2012 to $13 million in 2018, a 30% increase over 7 years. This averages 4% annual increase in WCAD budget is less than the average rate of increase in appraisal district budgets. None of the judicial appeals were for houses.

The Williamson County Appraisal Review Board remained stable at 12 to 13 members 2012 to 2018.

The number of appraisers has been risen exponentially; from 8 to 31 over 5 years during 2013 to 2018.

2020 property tax deadline is May 15th; deadlines to protest are not extended due to Covid-19.

Visit Williamson County Property Tax Trends to learn more.

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