Cook County GIS Portal (Illinois)

Search for Cook 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.


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

Bremen Township Assessor Oak Forest IL 15350 Oak Park Avenue 60452 708-687-8220

Cook County Assessor Maywood IL 1500 Maybrook Drive 60153 708-865-6032

Cook County Assessor Markham IL 16501 Kedzie Avenue 60428 708-232-4100

Cook County Assessor's Office Chicago IL 118 North Clark Street 60602 312-603-5300

Evanston Township Assessor Evanston IL 846 Dodge Avenue 60202 847-332-2465

Hanover Township Assessor Bartlett IL 250 Illinois 59 60103 630-837-0301

Riverside Township Assessor Riverside IL 27 Riverside Road 60546 708-447-7700

Rolling Meadows Assessor Rolling Meadows IL 2121 Euclid Avenue 60008 847-818-2444


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

Arlington Heights Clerk Arlington Heights IL 33 South Arlington Heights Road 60005 847-368-5540

Barrington Hills Village Clerk Barrington IL 112 Algonquin Road 60010 224-484-8418

Calumet City Clerk Calumet IL 204 Pulaski Road 60409 708-891-8110

Chicago City Clerk Chicago IL 5674 South Archer Avenue 60638 312-745-1100

Cook Coounty Clerk Maywood IL 1500 Maybrook Drive 60153 708-865-6040

Cook County Clerk Chicago IL 69 West Washington Street 60602 312-603-0996

Cook County Clerk Rolling Meadows IL 2121 Euclid Avenue 60008 847-818-2850

Des Plaines City Clerk Des Plaines IL 1420 Miner Street 60016 847-391-5310

Elk Grove Village Clerk Elk Grove IL 901 Wellington Avenue 60007 847-357-4040

Evanston City Clerk Evanston IL 2100 Ridge Avenue 60201 847-866-2925

Franklin Park Village Clerk Franklin Park IL 9500 Belmont Avenue 60131 847-671-8242

Hickory Hills Clerks Hickory Hills IL 8652 95th Street 60457 708-598-4800

La Grange Village Clerk La Grange IL 53 South La Grange Road 60525 708-579-2316

Lansing Clerk Lansing IL 3141 Ridge Road 60438 708-895-7200

Markham Clerk Markham IL 16313 Kedzie Parkway 60428 708-331-4905

Matteson Village Clerk Matteson IL 4900 Village Commons 60443 708-283-4950

Morton Grove City Clerk Morton Grove IL 6101 Capulina Avenue 60053 847-470-5220

Oak Forest City Clerk Oak Forest IL 15440 Central Avenue 60452 708-687-4050

Oak Lawn Clerk Oak Lawn IL 9446 Raymond Avenue 60453 708-499-7738

Palos Park Clerk Palos Park IL 8999 West 123rd Street 60464 708-448-6150

Palos Township Clerk Palos Hills IL 10802 South Roberts Road 60465 708-598-4449

Riverdale Village Clerk Riverdale IL 157 West 144th Street 60827 708-841-2125

South Holland Clerk South Holland IL 16226 Wausau Avenue 60473 708-210-2900


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

Burbank City Hall Burbank IL 6530 West 79th Street 60459 708-599-5500

Calumet City City Hall Calumet IL 204 Pulaski Road 60409 708-891-8100

Chicago City Hall Chicago IL 121 North LaSalle Street 60602 312-744-5000

Chicago Heights City Hall Chicago Heights IL 1601 Chicago Road 60411 708-756-5362

Cicero Town Hall Cicero IL 4949 West Cermak Road 60804 708-656-3600

Country Club Hills City Hall Country Club Hills IL 4200 183rd Street 60478 708-798-2616

Evanston City Hall Evanston IL # 4500, 2100 Ridge Ave 60201 847-866-2936

Evergreen Park Town Hall Evergreen Park IL 9418 South Kedzie Avenue 60805 708-422-1551

Harvey City Hall Harvey IL 15320 Broadway Avenue 60426 708-210-5300

Hazel Crest City Hall Hazel Crest IL 3000 W 170th Pl 60429 708-335-9600

Hickory Hills City Hall Hickory Hills IL 8652 95th Street 60457 708-598-4800

Hoffman Estates City Hall Hoffman Estates IL 1900 Hassell Road 60169 847-882-9100

Hometown City Hall Hometown IL 4331 Southwest Highway 60456 708-424-7500

Palos Heights City Hall Palos Heights IL 7607 W College Dr 60463 708-361-1800

Park Ridge City Hall Park Ridge IL 505 Butler Place 60068 847-318-5200

Prospect Heights City Hall Prospect Heights IL 8 North Elmhurst Road 60070 847-398-6070

Rolling Meadows City Hall Rolling Meadows IL 3600 Kirchoff Road 60008 847-394-8500

Schaumburg City Hall Schaumburg IL 101 Schaumburg Court 60193 847-895-4500


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

Cook County Recorder of Deeds Chicago IL 118 North Clark Street 60602 312-603-5050