Preliminary data containing property characteristics.

Property owner data with property address and mailing address. This dataset is best used for creating mailouts.

This shapefile contains the Cadastral Lines for Williamson County, Texas. This shapefile is created and maintained by the Williamson Central Appraisal District Mapping Department. The data in this layer are represented as lines.

Certified Property characteristics

Certified segment data updated monthly. This data was previously in the 'Property data export'

This shapefile contains the County Boundary for Williamson County, Texas. This shapefile is created and maintained by the Williamson Central Appraisal District Mapping Department. The data in this layer are represented as a polygon.

Certified assessment data updated monthly. Contains certified values of the last supplement, including Market, assessed, and taxable value.

Recent sales data

This shapefile contains the Public Land Survey System (PLSS) Abstracts for Williamson County, Texas. This shapefile is created and maintained by the Williamson Central Appraisal District Mapping Department. The data in this layer are represented as polygons.