Informational
Bulletin
FY 2026-05
October 2025
David Harris, Director
This bulletin is written to inform you of recent changes; it does not replace statutes, rules and regulations, or court decisions.
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Simplified Municipal Telecommunications Tax Rate Changes Effective January 1, 2026
To: All persons who, in the ordinary course of business, provide telecommunications service.
Effective January 1, 2026, the following municipalities are imposing or changing their Simplified Municipal Telecommunications Tax rate.
The chart below outlines the combined state and local telecommunications tax rate for each municipality listed. The combined rate is the state Telecommunications Excise Tax rate of 8.65 percent (.0865) plus the local Simplified Municipal Telecommunications Tax rate of up to a maximum rate of 6.00 percent (.06) outside Chicago.
To verify your telecommunications tax rates (i.e., state and local telecommunications taxes) go to the MyTax Illinois Tax Rate Finder at mytax.illinois.gov and select rates for January 2026.
| Municipalities | Combined rate ending December 31, 2025 | Local rate change effective January 1, 2026 | Combined rate beginning January 1, 2026 |
|---|---|---|---|
Bull Valley |
13.65 |
+1.00 |
14.65 |
Campton Hills |
8.65 |
+6.00 |
14.65 |
Fox River Grove (Lake) |
14.65 |
-5.00 |
9.65 |
Fox River Grove (McHenry) |
14.65 |
-5.00 |
9.65 |
Kincaid |
10.15 |
+4.50 |
14.65 |
Lyndon |
8.65 |
+6.00 |
14.65 |
Nashville |
9.65 |
+3.00 |
12.65 |
Rockbridge |
8.65 |
+6.00 |
14.65 |
Tinley Park (Cook) |
9.65 |
+3.00 |
12.65 |
Tinley Park (Will) |
9.65 |
+3.00 |
12.65 |
Printed by authority of the State of Illinois — Electronic only, One copy