Cook County Plat Maps (Illinois)

Search for Cook County, IL plat maps. Plat maps include information on property lines, lots, plot boundaries, streets, flood zones, public access, parcel numbers, lot dimensions, and easements.


Clerks maintain and preserve important public records for a county or local government, including detailed local maps such as plat maps in Cook County, IL. These Cook County plat maps show the property boundaries in a neighborhood, including lots and their dimensions, boundary locations, streets and street numbers, and parcel numbers. These Cook County maps contain important information for prospective buyers who may be concerned about easements, rights of way, flood zones, and public access on a particular plot of land. Clerks often provide online access to plat 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 60638 312-745-1100

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

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

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

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

Summit Village Clerk Summit IL 7321 West 59th Street 60501 708-563-4823

Thornton Village Clerk Thornton IL 115 East Margaret Street 60476 708-877-4456

Tinley Park Clerk Tinley Park IL 16250 Oak Park Avenue 60477 708-532-7700

Western Springs Village Clerk Western Springs IL 1440 Hillgrove Avenue 60558 708-246-1170

Willow Springs Village Clerk Willow Springs IL 1 Village Cir 60480 708-467-3700


Assessors are responsible for determining the value of taxable property within Cook County, IL. These property assessments are used to levy property taxes. In addition, Cook County Assessors maintain detailed neighborhood maps that contain information about the properties. These plat maps include all the lots in a tract of land, boundary locations, street numbers, property lines, and lot dimensions. Cook County plat maps also show any easements or rights of way. Assessors are responsible for assigning a parcel number to each lot, which appears on the map. Plat maps may be available online through the Assessor's website.

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

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

Wheeling Township Assessor Arlington Heights IL 1616 North Arlington Heights Road 60004 847-259-1515

Worth Township Assessor Alsip IL 11601 South Pulaski Road 60803 708-371-5557


Treasurers and Tax Collectors are responsible for collecting taxes at the local level and distributing these funds in Cook County, IL. In order to collect Cook County property taxes, the Treasurer and Tax Collector typically maintains maps covering its jurisdiction, including plat maps. These plat maps provide detailed information on a neighborhood or local area, including property boundaries and divisions, lot dimensions, parcel and street numbers, and land sizes. Cook County plat maps also contain important information for prospective buyers about flood zones, easements, rights of way, and public access. The Cook County Treasurer and Tax Collector may provide online access to plat maps on its website.

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


Recorders of Deeds maintain real estate ownership documents to ensure the accuracy of property, land, and property tax records in Cook County, IL. As part of this responsibility, Recorders of Deeds typically keep detailed Cook County plat maps. These maps show the subdivisions in a tract of land, including boundary locations, parcel and street numbers, property lines, and lot dimensions. Plat maps also include Cook County flood zones, easements, and rights of ways, as well as public access land. The Recorder of Deeds often provides public access to plat maps through its website.

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