Supervisor of Assessments


What We Do 

The Supervisor of Assessments strives to administer an accurate, fair, uniform, and timely assessment of all real property in Effingham County in accordance with and as mandated by the Illinois Property Tax Code. 


It is the function of the county Supervisor of Assessments to monitor and direct the countywide valuation of real property for the purpose of real estate taxation. This mandated function includes but is not limited to: 
  • Provide assistance and information to the individual township assessors 
  • Monitor all functions for compliance with state statutes and IL Department of Revenue procedures 
  • Apply exemptions and preferential assessments 
  • Analyze sales data and conduct sales ratio studies 
  • Apply equalization factors 
  • Provide proper taxpayer notification of assessments through mailed notices and publication 
  • Monitor and direct an unbiased appeal procedure to assure due process  
  • Prepare abstracts and reports for submission to the Illinois Department of Revenue 
  • Timely certification of the completed assessment roll to the County Clerk in manner to facilitate timely tax calculation and billing as prescribed by statute 
  • Assist Board of Review in defense of decisions when appealed to the Illinois Property Tax Appeal Board 
  • Maintain Parcel Identification Numbering system 
  • Maintain an accurate county cadastral map system, including aerial photography, line maps, and other property and owner information, to be used by the property tax function, other county offices, other governmental offices and the public