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WCAD 2017 GIS / IT Summary

Property taxes in Williamson County are determined by the values evaluated by the Williamson Central Appraisal District (CAD). In the county, there were 264,933 tax parcels in 2023 for appraisers from Williamson CAD to evaluate and produce value assessments. To evaluate a large number of tax parcels and produce value assessments, the appraisal district uses computer-aided mass appraisal ($131,450), contract appraisal services ($78,332), and GIS technology ($32,400). Aerial photography ($287,158) is also used to verify property features such as lot size, building footprint, and land use.

Williamson CAD has a Large Budget to Represent the County - Who is Representing You?

If you’re not filing an appeal on your own, you can have a professional tax representative advocate for you. No matter the value of your property, we’re committed to fighting for your best interests. We represent owners of residential, commercial, and business personal property (BPP). Enroll in the Property Tax Protection Program™ today; there’s no cost to you unless we successfully reduce your property taxes for the year.

Williamson County Appraisal District GIS / IT Summary

Full-Time Staff for Mapping 4
Full-Time Staff for IT 5
Full-Time Staff for Customer Service 5
Number of Tax Parcels 214,467
$ for Contract Appraisal Services $60,600
$ Computer Aided Mass Appraisal $135,740
$ GIS $32,500
$ Aerial Photos $189,905