Grant County GIS Portal (Wisconsin)

Grant County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Grant County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Grant County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Grant County, Wisconsin. These maps can also include place names, bodies of water, flood zones, property zones, and other geographic information. Some Assessors may keep historic GIS maps that include historic property tax assessments. These maps may be available on the Grant County Assessor Office website.

Grant County Property Lister Lancaster WI 111 South Jefferson Street 53813 608-723-2666


Grant County Clerk Offices maintain public records for a county or local government, which includes GIS maps. These maps provide detailed information on the area, including Grant County property maps that show boundaries, public property, property divisions, and in some cases, population information in Grant County, Wisconsin. They may also include property value assessments and property tax rates. Grant County GIS maps can show place names, bodies of water, zoning information, flood zones, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations, and these maps are often available online through the Clerk Office website.

Bagley Village Clerk Bagley WI 400 Jackley Lane 53801 608-996-2650

Bloomington Village Clerk Bloomington WI 453 Canal Street 53804 608-994-3851

Blue River Clerk Blue River WI 201 Clinton Street 53518 608-537-2758

Boscobel City Clerk Boscobel WI 1006 Wisconsin Ave 53805 608-375-5001

Cassville Village Clerk Cassville WI 100 East Amelia Street 53806 608-725-5180

Fennimore City Clerk Fennimore WI 860 Lincoln Avenue 53809 608-822-6119

Grant County Clerk Lancaster WI 111 South Jefferson Street 53813 608-723-2675

Muscoda Village Clerk Muscoda WI 206 North Wisconsin Avenue 53573 608-739-3182

Potosi Village Clerk Potosi WI 105 North Main Street 53820 608-763-2261

Grant County Town and City Halls provide municipal services for their town or city, including preserving vital records and maintaining records on their jurisdiction such as Grant County GIS maps. The GIS maps at a Grant County Town or City Hall can include property boundaries, public property, unclaimed parcels, and roads, as well as appraisal values for properties and property tax assessments in Grant County, Wisconsin. These GIS maps may also show population information, place names, zoning boundaries, bodies of water, flood zones, and other geographic information. Some Town and City Halls also have historical maps of their area. These maps are often available to the public on the Grant County Town and City Hall website.

Burton Town Hall Potosi WI 8046 Burton Ln 53820 608-725-5130

Jamestown Town Hall Cuba WI 2135 Elm Street 53807 608-568-3232


Grant County Recorders of Deeds keep real estate records to ensure the accuracy of property and land records. In addition to deeds, Recorders of Deeds also have detailed county and local maps, including Grant County GIS maps that show property lines, building information, public property, unclaimed parcels, as well as property value assessments and property tax information. These GIS maps may also include place names, zoning boundaries, bodies of water, flood zones, and other geographic information in Grant County, Wisconsin. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Grant County Recorder of Deeds website.

Grant County Recorder of Deeds Lancaster WI PO Box 391 53813 608-723-2727