St. Clair County GIS Data (Illinois)

Search for St. Clair County, IL GIS data. A GIS data search can provide information on GIS maps, property lines, county lines, city lines, public property, elevations, flood zones, school boundaries, earthquake zones, property appraisal values, erosion, water pollutants, topography, soil composition, sewers, public utilities, building hazards, population information, demographic information, place names, public property, parks, campgrounds, trails, trail maps, historic maps, historic GIS maps, town maps, county maps, city maps, and neighborhood boundaries.


An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in St. Clair County, Illinois. As part of this job, St. Clair County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These St. Clair 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 St. Clair County GIS data on their websites.

St Clair County Assessor's Office Belleville IL 10 Public Square 62220 618-825-2500


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 St. Clair County, Illinois. These GIS maps typically include property boundaries, real estate appraisal values, St. Clair County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, St. Clair 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.

Belleville City Hall Belleville IL 101 South Illinois Street 62220 618-233-6810

Brooklyn City Hall Brooklyn IL 312 South 5th Street 62059 618-271-8424

Columbia City Hall Columbia IL 208 S Rapp Ave 62236 618-281-7144

Dupo City Hall Dupo IL 100 North 2nd Street 62239 618-286-3280

East Saint Louis City Hall East Saint Louis IL 5800 Bond Avenue 62207 618-332-8822

Lebanon City Hall Lebanon IL 312 West Saint Louis Street 62254 618-537-4976

O'Fallon City Hall O'Fallon IL 255 South Lincoln Avenue 62269 618-624-4500

Stookey Town Hall Belleville IL 313 Eiler Rd 62223 618-538-7700


A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in St. Clair County, Illinois. As part of that job, Building Departments maintain GIS data that can include St. Clair 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 St. Clair 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.

Belleville Zoning Belleville IL 213 South Illinois Street 62220 618-233-6817

Cahokia Building Department Cahokia IL 201 West 4th Street 62206 618-337-9518

East St Louis Building Department East Saint Louis IL 301 Riverpark Drive 62201 618-482-6820

O'Fallon Zoning O'Fallon IL 1 South Lincoln Avenue 62269 618-624-4511


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 St. Clair 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. St. Clair County GIS data is often accessible through the Clerk Office website.

Cahokia Village Clerk Cahokia IL 103 Main Street 62206 618-332-6851

East Carondelet Clerk East Carondelet IL 950 State Street 62240 618-286-4727

East Saint Luois City Clerk East Saint Louis IL 301 Riverpark Drive 62201 618-482-6811

Freeburg Clerk Freeburg IL 14 Southgate Center 62243 618-539-5545

Lebanon City Clerk Lebanon IL 312 West Saint Louis Street 62254 618-537-4976

St Clair County Clerk Belleville IL 10 Public Square 62220 217-774-4421


A Recorder of Deeds keeps real estate documents to ensure the accuracy of property and land records in St. Clair 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 St. Clair County GIS data. These maps can include property lines, building information, unclaimed parcels, property value assessments, and property tax information. They may also show St. Clair 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.

St Clair County Court House Belleville IL 10 Public Square 62220 618-277-6600


A Soil and Water Conservation Office provides information on the conservation and management of natural resources in St. Clair County, Illinois. They are also responsible for developing, implementing, and enforcing policies to protect these natural resources. St. Clair County Soil and Water Conservation Offices maintain GIS data in the form of maps to monitor soil and water, and these St. Clair County maps can show ground and surface water, stormwater runoff, irrigation, erosion, flood zones, and sources of pollution. These maps can be important for buying, selling, or improving property, and they may be available through the Soil and Water Conservation Office website.

St Clair County Soil and Water Conservation Belleville IL 2031 Mascoutah Avenue 62220 618-233-5583