DuPage County Tax Records (Illinois)

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


DuPage County Assessors are responsible for determining the value of property in order to assess property taxes in DuPage 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 DuPage County property tax records. Many Assessor’s Offices also provide online access to property assessments and tax records.

Addison Township Assessor Addison IL 401 North Addison Road 60101 630-530-8161

Downers Grove Assessor Downers Grove IL 4340 Prince Street 60515 630-968-2100

Dupage County Assessor's Office Wheaton IL 421 North County Farm Road 60187 630-682-7024

Lisle Township Assessor Lisle IL 4711 Indiana Avenue 60532 630-968-1183

Milton Township Assessor Wheaton IL 1492 North Main Street 60187 630-653-5220

Naperville Township Assessor Naperville IL 139 Water Street 60540 630-355-2444


DuPage County Clerks file important documents and preserve records in order to maintain a public archive DuPage 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 DuPage County tax information. Many Clerk’s Offices provide online databases to access tax records.

Bensenville Village Clerk Bensenville IL 12 South Center Street 60106 630-766-8200

Bloomingdale Town Clerk Bloomingdale IL 123 Rosedale Avenue 60108 630-529-7715

Dupage County Clerk Wheaton IL 421 North County Farm Road 60187 630-407-5500

Naperville Town Clerk Naperville IL 139 Water Street 60540 630-355-1558

Oak Brook Village Hall Clerk Oak Brook IL 1200 Oak Brook Road 60523 630-368-5000

Westmont Village Clerk Westmont IL 31 West Quincy Street 60559 630-829-4400


DuPage County IRS Offices are local branches of the federal Internal Revenue Service, and it is a valuable source for tax records in DuPage 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 DuPage 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.

Downers Grove Illinois IRS Office Downers Grove IL 2001 Butterfield Road 60515 630-493-5291


DuPage 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 DuPage 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, DuPage County tax liens, and other tax records. Many Recorders of Deeds provide online databases to access tax record information.

DuPage County Recorder Wheaton IL 421 North County Farm Road 60187 630-407-5400


DuPage 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 DuPage County, Illinois. The Office of the Treasurer and Tax Collector maintains current DuPage 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.

Darien City Hall Darien IL 1702 Plainfield Road 60561 630-852-5000

Elmhurst City Hall Elmhurst IL 209 North York Street 60126 630-530-3000

Naperville City Hall Naperville IL 400 South Eagle Street 60540 630-420-6111

Warrenville City Hall Warrenville IL 3S258 Manning Ave 60555 630-393-9427

West Chicago City Hall West Chicago IL 475 Main St 60185 630-293-2200

Wheaton City Hall Wheaton IL 303 West Wesley Street 60187 630-260-2000

Wood Dale City Hall Wood Dale IL Frnt 1, 404 N Wood Dale Rd 60191 630-766-4900


DuPage County Town Halls and City Halls are the chief administrative offices that run municipalities in DuPage County, Illinois. They often maintain records related to the locality, making them a valuable resource for locating DuPage 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.

DuPage County Treasurer's Office Wheaton IL 421 North County Farm Road 60187 630-407-5900