Texas · FIPS 48147 · County seat: Bonham
Fannin County, TX GIS & Parcel Viewer
Use this page to reach the official county parcel map for Fannin County, Texas. The button below opens the Fannin County appraisal district map in a new tab, so you can look up parcels by address, owner or parcel number on the source site itself.
Open the Fannin County parcel map ↗
Opens gis.bisclient.com in a new tab. We link out and never embed or copy parcel data.
Fannin County at a glance
| Official map | Fannin County appraisal district map |
|---|---|
| Type | Appraisal district map (county level) |
| Website | gis.bisclient.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Bonham |
| Population | 37,571 (2023 Census Bureau estimate) |
| Land area | 891 sq mi |
| FIPS code | 48147 |
About the official source
The source here is the Fannin County appraisal district. Texas law gives these districts the job of valuing property for every local taxing unit in the county. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Fannin 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.
Fannin County by the numbers
Fannin County had an estimated 37,571 residents in 2023, according to the Census Bureau. With about 891 square miles of land, that works out to roughly 42 people per square mile. By population it ranks 85th of 254 counties in Texas. Bonham serves as the county seat.
Counties next to Fannin County
Parcels close to the edge of Fannin County can fall in the next county over. Neighboring counties:
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.