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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 nearly $63 million real estate taxes.
  • Conducts annual sale of delinquent real estate taxes
2019 Tax Cycle
2019 Real Estate Tax Bills
1 st Installment Due      September 25, 2020
2 nd Installment Due      November 6, 2020
View Real Estate Tax Bill/Account

The 2019 real estate tax bills payable in 2020 were mailed August 7th.  Click the heading above to review your tax bill on-line.

The Tax Sale date for 2019 taxes has yet to be determined, but it will be sometime in January of 2021.


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,
Monday – Friday 8 a.m. – 4:30 p.m.