The Protest Deadline for most property owners in Williamson County was May 15, 2023.
See your Notice of Appraised Value for your specific deadline.
Agent Data
Here are a few documents that might be helpful:
Additional Open Records File Layout
Appointment Of Agent Form Submission Guidelines
Certified/Supplement Roll File Layout
File Layout for the tables updated daily
Property Data Export File Layout
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
For ownership or exemption information, please see the Preliminary Data page.
| Name | Description | Type | Size | Posted | Download |
| Agent Data | Tax Agent Table | XLXS | 2 MB | Daily |  |
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