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Treasurer’s Office

  • Deposits and keeps the revenue and public monies of the county.
  • Invests funds on deposit according to State law.
  • Assists the County Board in formulating budgets, financial plans and projections.
  • Billing and Collection of over $58 million real estate taxes.
  • Conducts annual sale of delinquent real estate taxes
2018 Tax Cycle
2018 Real Estate Tax Bills
1 st Installment Due      ???
2 nd Installment Due      ???
View Real Estate Tax Bill/Account

Hopefully, the 2018 tax bills will be mailed in early September of 2019 with due dates in October and November.  Click the heading above to review your previous tax bill on-line.



Standard & Poor Rating

Standard & Poor, a company that provides financial research and analysis on stocks and bonds, assigned a strong credit rating for Monroe County upgrading its credit rating from AA- to AA.

Contact Treasurer's Office

Kevin Koenigstein, Monroe County

100 S. Main St., Waterloo, IL 62298
Tel: 618-939-8681 ext. 213, Fax: 618-939-8704,
Monday – Friday 8 a.m. – 4:30 p.m.