Chief County Assessment Office


Our office is open and continuing to serve taxpayers on a daily basis.

If you must visit our office, please follow the current COVID-19 guidelines. Wear a mask, social distance and wash your hands often. If you are feeling sick, please DO NOT enter the building.

For your safety and ours, we recommend using our many online access points to conduct your business with us when possible. If you do not find your answers on our web pages, please use our Contact Us page to call or email the appropriate staff members. Or call 618-692-6270 and we will transfer you to the correct person to answer your question.

Visit our FAQ page for answers to common questions.

Visit our Real Estate Assessment lookup system to review information about any property in the County. There you will find information on current owners, addresses, assessments, sales, and much more.

Visit our Available Exemptions for descriptions, eligibility requirements and application forms for all of the property tax exemptions. These forms can be completed and mailed or emailed to us for your convenience.

Visit our Township Publications dates page to see when the appeals are due for your Township.

Visit our Maps & Plats page for information on splitting or combining your property as well as all things mapping.

For information on appealing your assessment, please visit the Board of Review page. 

Notice Of Public Hearing - 2022 Farmland Meeting

Welcome to the Madison County Chief County Assessment Office homepage. The purpose of this page is to provide taxpayers with information about the services provided by our office. The Madison County Chief County Assessment Office is proud of the high quality of service provided by our department. Our goal is to serve the public with an expert and qualified staff.

The public is always welcome to visit the Madison County Chief County Assessment Office weekdays from 8:30 a.m. to 4:30 p.m., or to call us at (618) 692-6270, in order to take advantage of our services.

Our staff can answer questions regarding the calculation of property record cards and the verification of property ownership. We can assist those wishing to view or compare sales of properties throughout the county. Aerial and ink-line maps are provided to view or to purchase. Applications for all exemptions are available in the office, and our staff can provide assistance in the filling out of these forms.

The Madison County Chief County Assessment Office staff are both qualified and eager to offer our assistance in the most professional manner.


Understanding Your Property Assessment and the Equalization Process (PDF)