*NOTE: Revised Regional Planning Commission Regulations as of 2/13/2026 - Regional Planning Commission
The tax map office is located at the Office of the Williams County Engineer, 12953 County Road G. This office was relocated from the Williams County Courthouse in early 2005 to allow the engineer to have a more pro-active communications with this department.
FUNCTIONS
The tax map office has several functions. Including the review of legal descriptions on deeds, to determine whether the current legal description is adequate. They also keep the tax map line work up to date with current property splits, subdivision, etc. New legal descriptions are checked for correctness including mathematical closure of the property boundary being described.