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.