Jefferson County GIS Portal (Wisconsin)

Jefferson County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Jefferson County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Jefferson County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Jefferson 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 Jefferson County Assessor Office website.

Jefferson County Property Lister Jefferson WI 311 South Center Avenue 53549 920-674-7254


Jefferson 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 Jefferson County GIS maps. The GIS maps at a Jefferson 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 Jefferson 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 Jefferson County Town and City Hall website.

Cold Spring Town Hall Whitewater WI N1409 Fremont Road 53190 262-473-6227

Concord Town Hall Sullivan WI W1185 Concord Center Drive 53178 262-593-8690

Farmington Town Hall Watertown WI N6468 South Farmington Road 53094 920-699-2348

Ixonia Town Hall Ixonia WI W1195 Marietta Avenue 53036 920-261-1588

Lake Mills Town Hall Lake Mills WI 1111 South Main Street 53551 920-648-5584

Milford Town Hall Johnson Creek WI W6335 COUNTY Rd 53038 920-648-3198

Waterloo City Hall Waterloo WI 136 North Monroe Street 53594 920-478-3025

Watertown City Hall Watertown WI 106 Jones Street 53094 920-262-4000

Jefferson 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 Jefferson County property maps that show boundaries, public property, property divisions, and in some cases, population information in Jefferson County, Wisconsin. They may also include property value assessments and property tax rates. Jefferson 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.

Fort Atkinson Clerk Fort Atkinson WI 101 South Water Street West 53538 920-563-7786

Jefferson County Clerk Jefferson WI 311 South Center Avenue 53549 920-674-7144

Palmyra Township Clerk Palmyra WI W1360 State Road 106 53156 262-495-2049

Watertown City Clerk Watertown WI 106 Jones Street 53094 920-262-4009


Jefferson 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 Jefferson 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 Jefferson County, Wisconsin. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Jefferson County Recorder of Deeds website.

Jefferson County Recorder of Deeds Jefferson WI 311 South Center Avenue 53549 920-674-7235