Sangamon County GIS Portal (Illinois)

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

Sangamon County Assessor's Office Springfield IL 200 South 9th Street 62701 217-753-6805

Springfield Assessor Springfield IL 3298 Terminal Avenue 62707 217-544-3247


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

Auburn City Hall Auburn IL 324 West Jefferson Street 62615 217-438-6151

Gardner Town Hall Springfield IL 1266 North Bradfordton Road 62711 217-546-0451

Pleasant Plains City Hall Pleasant Plains IL 200 West 4th Street 62677 217-626-1024

Riverton City Hall Riverton IL 1200 Riverton Road 62561 217-629-9122

Springfield City Hall Springfield IL 800 East Monroe Street 62701 217-789-2414

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

Buffalo Village Clerk Buffalo IL 109 South Carter Street 62515 217-623-5788

Sangamon County Clerk Springfield IL 200 South 9th Street 62701 217-753-6707


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

Sangamon County Recorder of Deeds Springfield IL 200 South 9th Street 62701 217-535-3150