Certified Data


Here are a few documents that might be helpful:

Certified/Supplement Roll File Layout
Property Data Export File Layout
Additional Open Records File Layout
File Layout for the tables updated daily

WCAD’s data is presented in various formats and file types.  Click on a data type below to view all of the downloadable content available within it.

Certified Data Preliminary Data Historical Data GIS Data Agent Data

Name Description Type Size Posted Download
Certified Appraisal Roll Zip file contains appraisal roll report as of the last supplement TXT 192MB Monthly  access-dl
Certified Assessment Roll Grand Totals Document that contains the 2019 assessment roll grand totals as of certification PDF 542KB 07/18/2019  pdf-dl
Certified Property Data Export Zip file contains five related tables as of the last supplement TXT 71MB Monthly  txt-dl
Ownership The ownership table will be updated daily. This is a comma delimited owner table, the origional data may contain some commas that have been changed to pipe to allow this table as a CSV. For a txt file, save the csv and rename it as Owner.txt. CSV 74 KB Daily excel-dl
A1 & Average Homestead A1 and homestead totals will be updated at certification. Averages for entities with split jurisdictions are for Williamson County only. XLSX 74 KB Yearly excel-dl


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"We will provide quality service with the highest standards of professionalism, integrity, and respect. We will uphold these standards while providing an accurate, fair, and cost-effective appraisal roll in compliance with the laws of the State of Texas."
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