Texas · FIPS 48341 · County seat: Dumas
Moore County, TX GIS & Parcel Viewer
Looking for lot lines or a parcel number in Moore County, TX? The quickest route is the Moore County appraisal district map, the county parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Moore County parcel map ↗
Opens gis.bisclient.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Moore County appraisal district map |
|---|---|
| Type | Appraisal district map (county level) |
| Website | gis.bisclient.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Dumas |
| Population | 21,190 (2023 Census Bureau estimate) |
| Land area | 900 sq mi |
| FIPS code | 48341 |
Where the parcel data comes from
The source here is the Moore 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.
How to use the Moore County viewer
- Open the link. In Texas, each county's appraisal district (CAD) values property for local taxing units, and this is the CAD's public map.
- Search by owner, address or property ID. The property ID is the account number the CAD uses on its records.
- Click a parcel on the map to bring up its account summary.
- Use the account details to look up values or the full appraisal record on the CAD's site.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
Moore County by the numbers
The U.S. Census Bureau estimated Moore County's population at 21,190 in 2023, spread over about 900 square miles of land, or roughly 24 people per square mile. Among Texas's 254 counties, it is the 114th largest by population. Dumas serves as the county seat.
Neighboring counties
Parcels close to the edge of Moore County can fall in the next county over. Neighboring counties:
- Carson County
- Dallam County
- Hansford County
- Hartley County
- Hutchinson County
- Oldham County
- Potter County
- Sherman County
Maps vs. surveys
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.