McHenry County Tax Records (Illinois)

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


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

Burton Township Assessor Spring Grove IL 1420 Elm Street 60081 815-675-0323

Dunham Township Assessor Harvard IL 21706 West Airport Road 60033 815-943-4444

Greenwood Township Assessor Wonder Lake IL 5211 Miller Road 60097 815-648-4536

Mc Henry Township Assessor Johnsburg IL 3703 North Richmond Road 60051 815-385-0175

Mchenry County Assessor's Office Woodstock IL 220 North Seminary Avenue 60098 815-334-4274

Nunda Township Assessor Crystal Lake IL 3510 Bay Road 60012 815-459-6140


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

Algonquin Village Clerk Algonquin IL 2200 Harnish Drive 60102 847-658-4322

Mchenry County Clerk Woodstock IL 2200 North Seminary Avenue 60098 815-334-4234

Oakwood Hills Clerk Cary IL 3020 North Park Drive 60013 815-444-9453

Riley Township Clerk Marengo IL 21451 Norway Ct 60152 815-568-7335

Wonder Lake Clerk Wonder Lake IL 4200 Thompson Road 60097 815-728-0839


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

McHenry County Recorder of Deeds Woodstock IL 2200 North Seminary Avenue 60098 815-334-4110


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

Crystal Lake City Hall Crystal Lake IL 100 West Woodstock Street 60014 815-459-2020

Harvard City Hall Harvard IL 201 West Front Street 60033 815-943-6468

Marengo City Hall Marengo IL 132 East Prairie Street 60152 815-568-7112

McHenry City Hall McHenry IL 333 South Green Street 60050 815-363-2100

Seneca Township Town Hall Woodstock IL 16506 Garden Valley Road 60098 815-923-2288

Woodstock City Hall Woodstock IL 121 West Calhoun Street 60098 815-338-4300


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

McHenry County Treasurer's Office Woodstock IL 2100 North Seminary Avenue 60098 815-334-4260