Cook County GIS Data (Illinois)

Search for Cook 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 Cook County, Illinois. As part of this job, Cook County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These Cook 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 Cook County GIS data on their websites.

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

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

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

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


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 Cook 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. Cook County GIS data is often accessible 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


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

Barrington Hills Building Department Barrington IL 112 Algonquin Road 60010 224-484-8418

Bellwood Building Department Bellwood IL 3200 Washington Boulevard 60104 708-547-3513

Blue Island Building Department Blue Island IL 13051 Greenwood Avenue 60406 708-597-8606

Bridgeview Building Department Bridgeview IL 7500 South Oketo Avenue 60455 708-924-8025

Broadview Village Building Department Broadview IL 2350 South 25th Avenue 60155 708-345-8174

Buffalo Grove Building Department Buffalo Grove IL 50 Raupp Boulevard 60089 847-459-2530

Buffalo Grove Planning Department Buffalo Grove IL 50 Raupp Boulevard 60089 847-459-2518

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

Calumet City Building Department Calumet IL 670 Wentworth Avenue 60409 708-891-8206

Chicago Building Department Chicago IL 120 North Racine Avenue 60607 312-743-9000

Chicago Heights Zoning Chicago Heights IL 1601 Chicago Road 60411 708-756-5323

Chicago Permits Chicago IL 121 North LaSalle Drive 60602 312-744-3449

Chicago Planning Department Chicago IL 121 North LaSalle Street 60602 312-744-4190

Chicago Zoning Chicago IL 121 North LaSalle Drive 60602 312-744-3508

Cook County Zoning Markham IL 16501 Kedzie Avenue 60428 708-596-8000

Cook County Zoning Bridgeview IL 10220 South 76th Avenue 60455 708-974-6266

Cook County Zoning Chicago IL 69 West Washington Street 60602 312-603-0540

Countryside Building Department Countryside IL 5550 East Avenue 60525 708-354-1860

Des Plaines City Building Department Des Plaines IL 1420 Miner Street 60016 847-391-5380

Elk Grove Village Permits Elk Grove IL 901 Wellington Avenue 60007 847-357-4220

Evanston Building Department Evanston IL 2100 Ridge Avenue 60201 847-866-2934

Evanston Permits Evanston IL 2100 Ridge Avenue 60201 847-866-2969

Evanston Planning Department Evanston IL 2100 Ridge Avenue 60201 847-866-2931

Evergreen Park Building Department Evergreen Park IL 9418 South Kedzie Avenue 60805 708-229-3335


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

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


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 Cook County, Illinois. The Army Corps of Engineers keeps Cook 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 Cook County maps may be available on the Army Corps of Engineers website.

Chicago Army Corps of Engineers Chicago IL 108 North Streeter Drive 60611 312-828-0132


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

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


A Soil and Water Conservation Office provides information on the conservation and management of natural resources in Cook County, Illinois. They are also responsible for developing, implementing, and enforcing policies to protect these natural resources. Cook County Soil and Water Conservation Offices maintain GIS data in the form of maps to monitor soil and water, and these Cook 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.

Elgin North Cook County Soil and Water Conservation Elgin IL 899 Jay Street 60120 847-468-0071