Cook County GIS Property Maps (Illinois)

Cook County Assessors determine the value of properties and parcels in order to assess property taxes in Cook County, IL. The Assessor's Office maintains current data on every parcel in the district, which includes Cook County GIS maps, tax maps, and property maps. These maps show property lines, structures, addresses, and the value of properties in the Assessor's jurisdiction. Tax Assessor's Offices provide online access to property maps.

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

Cook County Assessor Maywood IL 1500 Maybrook Drive, Ste 082 60153 708-865-6032

Cook County Assessor Markham IL 16501 Kedzie Avenue, Ste 219 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


Cook County Building Departments develop and enforce building codes to ensure the construction of safe buildings in Cook County, IL. The Building Department maintains records on design plans for construction and renovation projects, which can include Cook County GIS maps and zoning maps. These maps show property lines, current structures on the parcel, and modifications to any structures, including new buildings. Many Building Depts provide online databases to access GIS databases, maps and related property information.

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, Ste 2 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, Rm 1000 60602 312-744-3449

Chicago Planning Department Chicago IL 121 North LaSalle Street, Rm 501 60602 312-744-4190

Chicago Zoning Chicago IL 121 North LaSalle Drive, Rm 905 60602 312-744-3508

Cook County Zoning Bridgeview IL 10220 South 76th Avenue, Rm 64 60455 708-974-6266

Cook County Zoning Chicago IL 69 West Washington Street, Ste 2840 60602 312-603-0540

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

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

Des Plaines City Building Department Des Plaines IL 1420 Miner Street, Ste 100 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, # 1700 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

Cook County Clerks file documents and preserve municipal records in order to maintain an archive in Cook County, IL. The Clerk's Office contains a number of documents on property, including GIS maps and property maps that show property lines, registered lands, and, in some cases, property tax assessments. Cook County GIS maps may also include information on soil composition, floodplains, air traffic, and more. Many County Clerk Offices provide online databases to access GIS and property maps.

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, Unit A 60638 312-745-1100

Cook Coounty Clerk Maywood IL 1500 Maybrook Drive, Ste 235 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, Ste 100 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, # 1200 60201 847-866-2925


Cook County Recorders of Deeds collect public records, primarily documents related to property, and make them available to the public in Cook County, IL. The Deeds Registrar maintains records on land transactions within its jurisdiction, including Cook County GIS and property maps. These maps show property lines, Cook County property and parcel surveys, and, in some cases, property transactions and tax liens. Many Recorders of Deeds provide online databases to access free GIS maps, as well as related property information.

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


Cook County Town Halls or City Halls are the chief administrative offices that run a town or city in Cook County, IL. The Town or City Hall maintains property records related to the locality, including Cook County GIS maps. These maps show Cook County property lines, municipal boundaries, zoning boundaries, and property value assessments. GIS maps of Cook County may also include information on soil composition, floodplains, air traffic, and more. Many Town and City Halls provide online databases to access GIS and property maps.

Burbank City Hall Burbank IL 6530 West 79th Street, Ste 2 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, Rm 507 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, # 4500 60201 847-866-2936


Cook County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in Cook County, IL. The Office of the Treasurer and Tax Collector maintains current data on every parcel in the district, which includes property maps complete with Cook County GIS data. These maps show property lines, structures, addresses, and the value of properties in the Treasurer and Tax Collector's Cook County assessment roll. Many Treasurers and Tax Collectors provide online databases to access GIS and property maps, as well as related property information.

Chicago Heights Treasurer Chicago Heights IL 1601 Chicago Road 60411 708-756-5312

Cook County Treasurer's Office Chicago IL 118 North Clark Street, 112 60602 312-443-5100

Crawford County Treasurer's Office Chicago IL 69 West Washington Street 60602 618-544-2614