The Mapping division is responsible for:

  • Ensuring accurate, complete and timely entry of a significant portion of the county’s tax system.
  • Subdividing and consolidating tax parcels pursuant to deeds, subdivision plats and other legal documents, and by request for tax assessment and billing purposes.
  • Working with surveyors, lawyers and other document originators to correct errors in legal documents.
  • Initializing assignment of Permanent Index Numbers (PIN) to tax parcels.
  • Effective 2023, future developer's units (e.g. townhouses) and associated PINs can be created by request, once supporting documentation has been received by the Recording Division of the County Clerk's Office.
  • Assigning addresses in unincorporated Lake County and by those municipalities that request this service.
  • Maintaining district boundaries. 
Drawing Tools on Maps
  1. Mapping

    Physical Address
    18 N County Street
    7th Floor
    Waukegan, IL 60085