Cook County Property Assessor (Illinois)

Search for Cook County, IL property assessment information. Property Assessments include property tax assessments, property valuations, property tax liens, defaults on property taxes, and property assessment appeals.


Cook County Assessors determine the value of properties and parcels so that the jurisdiction can levy Illinois property taxes. The Assessor's Office maintains current data on every parcel in the district, including records on Cook County property tax assessments, maps of property lines, and inventories of parcels and structures, as well as the value of all the property in the jurisdiction. Cook County Tax Assessors may also keep records on reassessments for construction or improvements and other on-site inspections. Cook County Assessment Offices provide online access to their property assessment records.

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

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


Cook County Clerks file documents and preserve a range of municipal records in order to maintain an archive for their Illinois municipality. These Cook County tax assessment records are open to the public. The Clerk's Office has a number of records on property assessments, including real estate excise taxes, tax liens on properties, and the Cook County property tax assessment formulas. They also keep records on property transactions, deeds, and titles. Cook County Clerks provide online access to their public property tax records, including documents related to property assessments.

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 16501 Kedzie Avenue 60428 708-210-4551

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


Cook County Recorders of Deeds collect public records, primarily documents related to property, and make them available to the Illinois public. The Office of the Recorder of Deeds maintains records on Cook County property tax assessments, including property and parcel surveys, property tax liens, and property valuations. They also record land transactions within the jurisdiction, including deeds, mortgages, and easements. The Cook County Recorder provides online databases for public records access of property assessments.

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


Cook County Town Halls and City Halls are the chief administrative office that runs a town or city in Illinois. The Town or City Hall maintains records related to the locality, including property assessment records. These Cook County public assessment records include property value assessments, records of paid and unpaid property taxes, and property tax liens. Town and City Halls also maintain records on land transactions, property sales and transfers, and municipal and zoning boundaries. Property assessment records are available as public records, and many Town and City Halls provide online access to these files.

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


Cook County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in Illinois. The Office of the Treasurer and Tax Collector maintains current data on every Cook County parcel , as well as a number of other property tax assessment records. These records include property assessments, defaults on property taxes, lists of sold parcels, and property valuations. The Treasurer and Tax Collector may also maintain information on Cook County property auctions and a property's prior liens or foreclosures. Cook County Treasurers and Tax Collectors provide online databases to access property assessment records.

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

Cook County Treasurer's Office Chicago IL 69 West Washington Street 60602 312-603-6202

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

Ford Heights Village Treasurer Ford Heights IL 1343 Ellis Avenue 60411 708-758-3182

Illinois State Treasurer Chicago IL 100 West Randolph Street 60601 312-814-1700