Warren County GIS Portal (Illinois)

Search for Warren County, IL GIS maps. A GIS map search can provide information like county maps, town maps, city maps, local maps, property maps, parcel maps, plat maps, public property, property tax assessments, flood zones, zoning boundaries, geographic information, historical maps, and property tax information.


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

Warren County Assessor's Office Monmouth IL 100 West Broadway 61462 309-734-8561


Warren 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 Warren County GIS maps. The GIS maps at a Warren 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 Warren County, Illinois. 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 Warren County Town and City Hall website.

Alexis City Hall Alexis IL 122 North Main Street 61412 309-482-3424

Monmouth City Hall Monmouth IL 100 East Broadway 61462 309-734-2141


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

Warren County Clerk Monmouth IL 100 West Broadway 61462 309-734-8592


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

Warren County Recorder of Deeds Monmouth IL 100 West Broadway 61462 309-734-8592