McHenry County Building Departments (Illinois)

McHenry County Building Departments develop and enforce building codes to ensure the construction of safe buildings in McHenry County, Illinois. The Building Department maintains building and zoning records, including design plans for construction and renovation projects, records on the current structures on any parcel, maps showing property lines, and McHenry County building permits issued by the department. They also keep records on a property's compliance with McHenry County building codes, including building and zoning violations, as well as records of inspection reports. Many Building Departments provide online access to building records.

Lakewood Village Building Department Lakewood IL 2500 Lake Avenue 60014 815-459-3025

Marengo City Building Department Marengo IL 835 West Grant Highway 60152 815-568-2669

McHenry Zoning McHenry IL 333 South Green Street 60050 815-363-2170

Oakwood Hills Building Department Cary IL 3020 North Park Drive 60013 815-444-9437

Prairie Grove Building Department Crystal Lake IL 3125 Barreville Road 60012 815-455-3846

Woodstock Zoning Woodstock IL 121 West Calhoun Street 60098 815-338-4305

McHenry County Assessors evaluate the value of properties and parcels in order to determine property taxes. The Assessor's Office maintains current data on every property in the McHenry County, IL including inventories of parcels and structures, zoning boundaries, and the value of all the property in the jurisdiction. Assessors may also keep McHenry County building and zoning records, such as reports from on-site inspections, maps of property lines and zones, and value assessments for building improvements. Many Assessor's Offices provide online access to their records, including documents on building and zoning.

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 Treasurers and Tax Collectors are responsible for the collection of property tax revenue in IL. The Office of the Treasurer and Tax Collector maintains and updates records on every parcel in the district, as well as maintaining certain building and zoning records. These records include building valuations, zoning boundaries, and building construction. Treasurers and Tax Collectors also keep documents on McHenry County property taxes, including property tax assessments, defaults on property taxes, and tax liens. The office may also maintain information on property auctions and a property's prior liens or foreclosures. Many Treasurers and Tax Collectors provide online databases to access their McHenry County building records, including documents on building and zoning.

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