Winnebago County Tax Records (Illinois)

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


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

Cherry Valley Township Assessor Rockford IL 4875 Blackhawk Road 61109 815-874-2119

Rockford Township Assessor Rockford IL 401 West State Street 61101 815-965-0300

Rockton Township Assessor Rockton IL 1315 North Blackhawk Boulevard 61072 815-624-2597

Winnebago County Assessor's Office Rockford IL 404 Elm Street 61101 815-319-4460


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

Cherry Valley Village Clerk Cherry Valley IL 806 East State Street 61016 815-332-3441

Loves Park City Clerk Loves Park IL 100 Heart Boulevard 61111 815-654-5034

Pecatonica City Clerk Pecatonica IL 111 West 3rd Street 61063 815-239-2310

Rockford Township Town Clerk Rockford IL 119 North Church Street 61101 815-962-8855

Roscoe Village Clerk Roscoe IL 10595 Main Street 61073 815-623-2829

Winnebago County Clerk Rockford IL 404 Elm Street 61101 815-319-4250


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

Rockford Illinois IRS Office Rockford IL 211 South Court Street 61101 815-334-7026


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

Durand City Hall Durand IL 308 W Main St 61024 815-248-2606

Loves Park City Hall Loves Park IL 100 Heart Boulevard 61111 815-654-5034

Rockford City Hall Rockford IL 425 East State Street 61104 815-987-5546

South Beloit City Hall South Beloit IL 519 Blackhawk Boulevard 61080 815-389-3023


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

Loves Park Treasurer Loves Park IL 100 Heart Boulevard 61111 815-654-5027

Winnebago County Treasurer's Office Rockford IL 404 Elm Street 61101 815-987-3020