Texas · FIPS 48069 · County seat: Dimmitt
Castro County, TX GIS & Parcel Viewer
Here is the direct link to the county parcel map covering Castro County, TX: the Castro County appraisal district map. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Castro County parcel map ↗
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Castro County at a glance
| Official map | Castro County appraisal district map |
|---|---|
| Type | Appraisal district map (county level) |
| Website | gis.bisclient.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Dimmitt |
| Population | 7,227 (2023 Census Bureau estimate) |
| Land area | 894 sq mi |
| FIPS code | 48069 |
Who runs this map
The source here is the Castro County appraisal district. Texas law gives these districts the job of valuing property for every local taxing unit in the county. When we tested the link in October 2026 it opened with no login and no fee.
Finding a property on this map
- Press the button above to open the appraisal district's map. Texas appraisal districts set taxable values, so their maps tie each parcel to a property account.
- Look up a property by its owner, situs address or property ID.
- Click any lot to see the account number and basic details.
- Follow the record link, when there is one, for values and exemptions.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
The county in brief
Castro County had an estimated 7,227 residents in 2023, according to the Census Bureau. With about 894 square miles of land, that works out to roughly 8.1 people per square mile. By population it ranks 183rd of 254 counties in Texas. Dimmitt serves as the county seat.
Neighboring counties
Parcels close to the edge of Castro County can fall in the next county over. Neighboring counties:
Before you rely on the lines
Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.