Lake County Property Assessor (Illinois)

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


Lake 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 Lake 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. Lake County Tax Assessors may also keep records on reassessments for construction or improvements and other on-site inspections. Lake County Assessment Offices provide online access to their property assessment records.

Avon Township Assessor Round Lake Park IL 427 East Washington Street 60073 847-546-1446

Cuba Township Assessor Barrington IL 28012 West Cuba Road 60010 847-381-1924

Lake County Assessor's Office Waukegan IL 18 North County Street 60085 847-377-2050

Lake Villa Township Assessor Lake Villa IL 37850 Illinois 59 60046 847-356-2383

Libertyville Assessor Libertyville IL 359 Merrill Court 60048 847-362-5900

Waukegan Township Assessor Waukegan IL 415 Washington Street 60085 847-623-4550

West Deerfield Assessor Deerfield IL 601 Deerfield Road 60015 847-945-3020


Lake County Clerks file documents and preserve a range of municipal records in order to maintain an archive for their Illinois municipality. These Lake 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 Lake County property tax assessment formulas. They also keep records on property transactions, deeds, and titles. Lake County Clerks provide online access to their public property tax records, including documents related to property assessments.

Cuba Township Clerk Barrington IL 28000 W Cuba Rd 60010 847-381-1120

Grayslake Village Clerk Grayslake IL 33 South Whitney Street 60030 847-223-2341

Island Lake Village Clerk Island Lake IL 3720 Greenleaf Avenue 60042 847-526-8764

Lake County Clerk Waukegan IL 18 North County Street 60085 847-377-2308

Libertyville Clerk Libertyville IL 359 Merrill Court 60048 847-816-6800

Mundelein Clerk Mundelein IL 440 East Hawley Street 60060 847-949-3214

Warren Township Clerk Gurnee IL 17801 West Washington Street 60031 847-244-1101

Waukegan City Clerk Waukegan IL 100 North Martin Luther King Junior Avenue 60085 847-599-2513

West Deerfield Town Clerk Deerfield IL 601 Deerfield Road 60015 847-945-0614


Lake 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 Lake 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 Lake County Recorder provides online databases for public records access of property assessments.

Lake County Recorder of Deeds Waukegan IL 18 North County Street 60085 847-377-2575


Lake 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 Lake 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.

Highland Park City Hall Highland Park IL 1707 Saint Johns Avenue 60035 847-432-0800

Highwood City Hall Highwood IL 17 Highwood Avenue 60040 847-432-1924

Lake Forest City Hall Lake Forest IL 110 East Laurel Avenue 60045 847-234-2600

Lake Zurich Town Hall Lake Zurich IL 70 East Main Street 60047 847-540-1683

North Chicago City Hall North Chicago IL 1850 Lewis Avenue 60064 847-596-8780

Waukegan City Hall Waukegan IL 100 North Martin Luther King Junior Avenue 60085 847-599-2500

Zion City Hall Zion IL 2828 Sheridan Road 60099 847-746-4000


Lake 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 Lake 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 Lake County property auctions and a property's prior liens or foreclosures. Lake County Treasurers and Tax Collectors provide online databases to access property assessment records.

Lake County Treasurer's Office Waukegan IL 18 North County Street 60085 847-377-2323