Texas · FIPS 48321 · County seat: Bay City
Matagorda County, TX GIS & Parcel Viewer
Here is the direct link to the county parcel map covering Matagorda County, TX: the Matagorda County appraisal district map. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Matagorda County parcel map ↗
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Map and county facts
| Official map | Matagorda County appraisal district map |
|---|---|
| Type | Appraisal district map (county level) |
| Website | gis.bisclient.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Bay City |
| Population | 36,359 (2023 Census Bureau estimate) |
| Land area | 1,093 sq mi |
| FIPS code | 48321 |
About the official source
Texas splits the job: an appraisal district, not the county itself, values each property. This viewer belongs to the district covering Matagorda County. When we tested the link in October 2026 it opened with no login and no fee.
How to use the Matagorda County viewer
- 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.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
About Matagorda County
The U.S. Census Bureau estimated Matagorda County's population at 36,359 in 2023, spread over about 1,093 square miles of land, or roughly 33 people per square mile. That makes it number 87 out of 254 Texas counties by population. Census maps also count about 520 square miles of water inside its boundary. Its county seat is Bay City.
Neighboring counties
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Matagorda County:
Maps vs. surveys
Keep in mind that a GIS parcel layer is a tax map, not a survey. For exact boundaries, look at the recorded deed and plat or hire a licensed land surveyor.