Cook County Tax Records (Illinois)

Find Cook County, IL tax records. Search tax records available from your Assessor, Clerk, IRS Office, Recorder of Deeds, Treasurer, Tax Collector, Town and City Hall.


Cook County Assessors are responsible for determining the value of property in order to assess property taxes in Cook County, Illinois. The Assessor’s Office is an important source for tax records. The Assessor’s Office maintains current data on the value of all property in the jurisdiction, including ownership information, maps of property lines, and Cook County property tax records. Many Assessor’s Offices also provide online access to property assessments and tax 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 important documents and preserve records in order to maintain a public archive Cook County, Illinois. The Clerk’s Office also maintains tax records. The Clerk’s Office contains records on real estate excise taxes, property transactions, mortgages, liens, and tax records. The Clerk’s Office may also have court records that include Cook County tax information. Many Clerk’s Offices provide online databases to access tax records.

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


Cook County IRS Offices are local branches of the federal Internal Revenue Service, and it is a valuable source for tax records in Cook County, Illinois. An IRS Office can provide a copy of your recent tax returns, transcripts of tax returns, and tax records from open case files. You can also access Cook County Tax Court records, either at an IRS Office or online. Certain tax records are private, or may require a Freedom of Information Act (FOIA) request.

Chicago Illinois IRS Office Chicago IL 230 South Dearborn Street 60604 312-566-4912


Cook County Recorders of Deeds maintain multiple kinds of records, particularly documents related to property and property taxes, and these records are available to the public in Cook County, Illinois. The Recorder of Deeds can be an important source for tax records. The Recorder of Deeds keeps documents on land transactions, including deeds, mortgages, easements, Cook County tax liens, and other tax records. Many Recorders of Deeds provide online databases to access tax record information.

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


Cook County Treasurer and Tax Collector Offices are responsible for the collection of property tax revenue, making the Treasurer and Tax Collector an important source for tax records in Cook County, Illinois. The Office of the Treasurer and Tax Collector maintains current Cook County property tax information as well as records on defaults on taxes. Many Treasurers and Tax Collectors provide online databases to access tax record information.

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 Town Halls and City Halls are the chief administrative offices that run municipalities in Cook County, Illinois. They often maintain records related to the locality, making them a valuable resource for locating Cook County tax records. Town and City Halls keep documents on property taxes, property value assessments, and other local tax records. Many Town and City Halls provide online access to tax records.

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

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

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