Alabama · FIPS 01089 · County seat: Huntsville
Madison County, AL GIS & Parcel Viewer
Looking for lot lines or a parcel number in Madison County, AL? The quickest route is the Madison County KCS GIS viewer, 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 Madison County parcel map ↗
Opens isv.kcsgis.com in a new tab. We link out and never embed or copy parcel data.
Madison County at a glance
| Official map | Madison County KCS GIS viewer |
|---|---|
| Type | County-run map |
| Website | isv.kcsgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Huntsville |
| Population | 412,600 (2023 Census Bureau estimate) |
| Land area | 802 sq mi |
| FIPS code | 01089 |
Who runs this map
Madison County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. Our October 2026 check found the map open to the public, with no account or payment needed.
Finding a property on this map
- Open the official link; the map is hosted on KCS GIS, a vendor platform used by 22 counties in our directory.
- Accept any disclaimer, then use the search tool to find a street address, owner or parcel ID.
- Click a parcel to view its attributes.
- Use the layer or basemap controls to add aerials and other layers where the county provides them.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
About Madison County
Census Bureau figures put Madison County at about 412,600 people (2023 estimate) on roughly 802 square miles of land, which is about 514 residents per square mile. Among Alabama's 67 counties, it is the 2nd largest by population. The county seat is Huntsville.
Nearby parcel maps
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Madison County:
Our longer guides
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.