Williamson County Building Departments (Illinois)

Search for Williamson County, IL building and zoning records. Building records include building plans, building code evaluations, building surveys, and building code violations, and zoning records include zoning violations, zoning boundaries, and zoning regulations.


Williamson County Building Departments develop and enforce building codes to ensure the construction of safe buildings in Williamson 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 Williamson County building permits issued by the department. They also keep records on a property's compliance with Williamson County building codes, including building and zoning violations, as well as records of inspection reports. Many Building Departments provide online access to building records.

Herrin Building Department Herrin IL 300 North Park Avenue 62948 618-942-6004

Jackson County Planning Department Carbondale IL 608 E College St 62901 618-549-3306


Williamson County Building Inspectors ensure that building construction is in compliance with building and zoning codes in Williamson County, IL. They maintain documents on permits issued by the Williamson County Building Department, including construction, relocation, demolition, and occupancy permits. Building Inspectors also keep approved and rejected building plans and blueprints, records on a property's compliance with Williamson County building codes, and records on building and zoning violations and inspection reports. Many Building Inspectors make these building and zoning records available to the public online.

Herrin Building Inspector Herrin IL 300 North Park Avenue 62948 618-942-6004

Marion Building Inspector Marion IL 1102 Tower Square Plaza 62959 618-993-2422


Williamson 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 Williamson 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 Williamson County building records, including documents on building and zoning.

Johnston Treasurer Johnston IL 500 Washington Ave 62951 618-983-6544

Marion City Treasurer Marion IL 1102 Tower Square Plaza 62959 618-993-8575

Williamson County Treasurer's Office Marion IL 200 West Jefferson Street 62959 618-997-1301


Williamson 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 Williamson County, IL including inventories of parcels and structures, zoning boundaries, and the value of all the property in the jurisdiction. Assessors may also keep Williamson 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.

Williamson County Assessor's Office Marion IL 200 West Jefferson Street 62959 618-997-1301