Counties & data sources

HelpMeProtest is built entirely on public appraisal-district records. Below is each county we support (or are adding) and where its data comes from.

Collin County, TX Live

Appraisal districtCollin Central Appraisal District (Collin CAD)
Online protestYes (Collin CAD online protest)
Filing deadlineMay 15
Data sourceCollin Central Appraisal District public data (Texas Open Data Portal)

Dallas County, TX Live

Appraisal districtDallas Central Appraisal District (DCAD)
Online protestYes (DCAD uFile)
Filing deadlineMay 15
Data sourceDallas Central Appraisal District (DCAD) data products

Fort Bend County, TX Live

Appraisal districtFort Bend Central Appraisal District (FBCAD)
Online protestYes (FBCAD online protest)
Filing deadlineMay 15
Data sourceFort Bend Central Appraisal District (FBCAD) public data

Galveston County, TX Live

Appraisal districtGalveston Central Appraisal District (GCAD)
Online protestYes (GCAD online protest)
Filing deadlineMay 15
Data sourceGalveston Central Appraisal District (GCAD) public data

Harris County, TX Live

Appraisal districtHarris Central Appraisal District (HCAD)
Online protestYes (HCAD iFile)
Filing deadlineMay 15
Data sourceHarris Central Appraisal District (HCAD) public data

Tarrant County, TX Live

Appraisal districtTarrant Appraisal District (TAD)
Online protestYes (TAD online protest)
Filing deadlineMay 15
Data sourceTarrant Appraisal District (TAD) public data downloads

Travis County, TX Live

Appraisal districtTravis Central Appraisal District (TCAD)
Online protestYes (TCAD online protest)
Filing deadlineMay 15
Data sourceTravis Central Appraisal District (TCAD) public data

Williamson County, TX Live

Appraisal districtWilliamson Central Appraisal District (WCAD)
Online protestYes (WCAD online protest)
Filing deadlineMay 15
Data sourceWilliamson Central Appraisal District public data (WCAD Open Data portal)

All data shown is public record from the appraisal districts listed above. Don't see your county? We're expanding to more counties that publish their data or allow online protests.

Not legal, tax, or appraisal advice. HelpMeProtest provides public-record data and automated analysis to help you file your own property-tax protest. We are not your agent or representative, we are not a registered property tax consultant, and we do not file on your behalf. HelpMeProtest is an independent service and is not affiliated with, endorsed by, or acting on behalf of any appraisal district or government agency. No outcome is guaranteed. The Harris County protest deadline is generally May 15 (or the next business day), and you are responsible for filing on time.