Carroll County GIS Data (Illinois)

An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in Carroll County, Illinois. As part of this job, Carroll County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Carroll County GIS maps typically include property divisions, plots, buildings, property appraisal values, and property taxes. They may also include public property, parks, roads, place names, bodies of water, and other local geographical information, as well as flood zones, county zone lines, and school boundaries. These maps can be useful for a number of reasons, including buying and selling property. Assessors may provide online access to their Carroll County GIS data on their websites.

Carroll County Assessor's Office Mount Carroll IL 301 North Main Street 61053 815-244-0237


A Clerk Office maintains public records for a county or local government, including GIS data in the form of maps. These GIS maps provide detailed information such as property boundaries, roads, public property, parks, and in some cases, population and demographic information. GIS data can also show Carroll County property value assessments, property taxes, flood zones, zoning boundaries, and earthquake zones, as well as place names, bodies of water, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations. Carroll County GIS data is often accessible through the Clerk Office website.

Carroll County Clerk Mount Carroll IL PO Box 152 61053 815-244-0224

Shannon Village Clerk Shannon IL 17 East Market Street 61078 815-864-2194


A Recorder of Deeds keeps real estate documents to ensure the accuracy of property and land records in Carroll County, Illinois. In addition to filing deeds that provide information on property sales and transfers, Recorders of Deeds also have detailed county and local maps, including Carroll County GIS data. These maps can include property lines, building information, unclaimed parcels, property value assessments, and property tax information. They may also show Carroll County place names, flood zones, zoning boundaries, neighborhood lines, bodies of water, and other geographic information. The Recorder of Deeds may provide access to GIS data on its website.

Carroll County Recorder of Deeds Mount Carroll IL PO Box 152 61053 815-244-0223

A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in Carroll County, Illinois. As part of that job, Building Departments maintain GIS data that can include Carroll County GIS maps on the topography, elevation, soil composition, and flood zones for the local area. This information can be important for adhering to building codes and meeting zoning rules. These GIS maps may also show Carroll County parcels, lots, subdivisions, and tracts of land, as well as sewers, public utilities, and other building hazards. GIS data may be available on the Building Department website.

Carroll County Zoning Mount Carroll IL 301 North Main Street 61053 815-244-0284


A Town or City Hall provides municipal services for their town or city, including keeping vital records and maintaining documents on their jurisdiction such as maps with GIS data in Carroll County, Illinois. These GIS maps typically include property boundaries, real estate appraisal values, Carroll County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, Carroll County zoning boundaries, bodies of water, and flood zones, as well as population and demographic information. Some Town and City Halls also maintain historical maps of their area. These maps are often available on the Town or City Hall website.

Chadwick City Hall Chadwick IL 225 N Main St 61014 815-684-5188

Lanark City Hall Lanark IL 108 West Carroll Street 61046 815-493-2431

Pleasant Valley Township Town Hall Mount Carroll IL 9009 East Willow Road 61053 815-947-3096

Shannon City Hall Shannon IL 17 E Market St 61078 815-864-2195


The Army Corps of Engineers is a federal agency that provides engineering services, including managing ports and waterways, protecting against floods and storm damage, and maintaining public recreation areas in Carroll County, Illinois. The Army Corps of Engineers keeps Carroll County GIS maps that show navigable waters, tributaries, water depths, bridges, and ports, as well as information on flood zones, dams, and hydroelectric plants. GIS maps of Army Corps recreation areas can include bodies of water, shelters, campgrounds, elevations, and trails. These Carroll County maps may be available on the Army Corps of Engineers website.

Savanna Army Corps of Engineers Savanna IL 3700 Army Depot Road 61074 815-273-7883

Thomson Army Corps of Engineers Thomson IL 823 West Main Street 61285 815-259-3628