Your county appraisal district publishes the data that decides your tax bill — and the data that can lower it. These guides show you how to pull TCAD and DCAD records and use them to prove an over-assessment.
Guides in this series
The Dallas-Area Cities Where Homes Are Most Over-Assessed (2026)
We analyzed Dallas County appraisal data to find where homes are most often valued above comparable neighbors. Richardso…
How Texas Appraisal Districts Use Comparable Sales to Value Your Home
Understanding how Texas appraisal districts use comparable sales is key to evaluating your property tax assessment. They…
How to Compare Your Home Value with County Appraisal Data in Texas
Discover how to effectively compare your home’s actual market value against your Texas county’s appraisal district asses…
The Smart Way to Analyze Dallas County Appraisal Data for Property Tax Protests
Understanding Dallas County appraisal data is key to a successful property tax protest. This guide shows you how to find…
The Travis County ZIP Codes Where Homes Are Most Over-Assessed (2026)
We analyzed Travis County appraisal data to find where homes are most often valued above comparable nearby properties. D…
Understanding Your Travis County Property Appraisal: Key Factors That Influence Your Home’s Value
Your property appraisal in Travis County is influenced by several key factors. Understanding these can help you better u…
How Texas Appraisal Districts Calculate Your Home’s Value
Ever wonder how your Texas home’s value is determined for property tax purposes? Appraisal districts use specific method…
How to Access TCAD Appraisal Data for Your Travis County Property Tax Protest
Understanding how to access and use TCAD appraisal data is crucial for homeowners looking to protest their property taxe…
Check your home in minutes
Tax Gaps TX has a free home check at app.taxgapstx.com/check — enter your address and, in about a minute, see your estimated over-assessment gap for Travis (TCAD) or Dallas (DCAD) county, based on public appraisal data and comparable homes assessed for less than yours. A specialist can then walk you through the evidence and whether it's worth protesting.