Monroe County, IL


The Monroe County Assessor’s Office is responsible for administering fair and timely assessment of all real property in Monroe County, IL. This includes:

  • Observing and abiding by the Illinois Department of Revenue and Illinois State Statues
  • Documenting finished evaluations for the County’s Board of Review to aid in:
    • Timely tax computation
    • Billing
  • Providing accurate taxpayer information and assessments through mail correspondence and publication
  • Answering questions involving property calculation records.

​Monroe County assesses real property on a quadrennial basis.

Carl Wuertz, Monroe County Assessor
100 S. Main St., Waterloo, IL 62298
Tel: 618-939-8681 ext. 211, Fax: 618-939-9141,
Monday - Friday 8 a.m. - 4:30 p.m.

Publication Lists
Assessment Notices
Property Record Cards
Other Buildings
Farm Record Cards
Transfer Declarations