Collin County Certified Property Value History

City of Austin provides certified property value history data from Collin County for tax entity use. The dataset includes annual certified values, supporting analysis of property tax assessment trends over time.

Use Cases

• Analyze year-over-year changes in certified property values for tax revenue forecasting
• Model property tax assessment trends using the annual certified value history
• Correlate certified value history with broader economic or development indicators in Collin County

Strengths

• Data is certified by the taxing entity, ensuring official status for fiscal analysis
• Managed and published by a municipal government organization (City of Austin)
• Available in multiple structured formats including JSON, RDF, CSV, and XML for flexibility

Limitations

• Core metadata such as row count, column names, and data size are unavailable, hindering initial assessment
• Sample data is not provided to preview structure or content before download
• The license is unspecified, creating potential ambiguity for commercial or redistribution use

Provenance

Source

City of Austin

Collection Method

Certified by taxing entity, likely from official county appraisal district (Collin CAD) records.

Time Range

Annual history, specific range unknown.

Freshness

Last updated March 2026, indicating planned future maintenance.

Geography

Collin County, Texas.