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DeKalb County Government Official Government Website for DeKalb County, Illinois |
Chief County
Assessment Office
How to Find the Property Tax Index Number
The Property Index Number (PIN) required by the State of Illinois for Illinois Department of Revenue Form IL-1040 is the same as your “Parcel Number” on your tax bill or on your Assessment Change Notice.
If you do not have these notices readily available, you may also find it using our Assessment & Property Tax Search. You can search for it by address.
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