Supervisor of Assessments


  • Provide assistance and guidelines to the township and multi-township assessors
  • Apply exemptions and preferential assessments
  • Process property transfers and maintain current name and addresses for property taxes
  • Value real property and farmland
  • Analyze sales data and conduct sales ratio studies
  • Apply equalization factors by jurisdiction that are arrived at through the sales ratio studies
  • Clerk to the Board of Review
  • Prepare abstracts and reports for the Illinois Department of Revenue
  • Process enterprise zone and exemption applications
  • Maintain Computer Assisted Mass Appraisal (CAMA) System
  • Maintain Geographic Information System (GIS)


CAMA System

Manatron, Inc. has provided Fayette County with a comprehensive Government Revenue Management (GRM) property appraisal software product. It features a highly productive, integrated sketch package and an extremely accurate valuation engine for calculating property values. It is the most widely deployed and nationally recognized CAMA software product available today.


The Sidwell Company is in the process of creating a geographic information system consisting of data, hardware, software and implementation services for Fayette County. Through Sidwell's parcel-based mapping approach, multiple layers of mapped information can be built and overlaid on a common framework to create an effective, multi-application GIS to support a variety of local government functions.