- Deposits and keeps the revenue and public monies of the county.
- Invests funds on deposit according to State law in order of safety, liquidity and then rate of return.
- Assists the County Board in formulating budgets, financial plans and projections.
- Billing and Collection of over $80 million real estate taxes.
- Conducts annual sale of delinquent real estate taxes
| 2025 Real Estate Tax Bills | Payable in 2026 | |
| 1st Installment Due | September 18, 2026 | |
| 2nd Installment Due | November 6, 2026 | |
| View Real Estate Tax Bill/Account | ||
Click the heading above to review your tax bill on-line.
Hopefully, the 2025 tax bills will be mailed in July of 2026. Previous tax bills are available on-line at www.monroecountyil.gov.
Tax Sale will be scheduled for January 14, 2027 at 9:00 AM at the Monroe County Courthouse for 2025 tax bills payable in 2026.
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.