Illinois' Washington County sees a tentative property assessment equalization factor change to 0.9666, potentially affecting ...

Chicago, IL - The Illinois Department of Revenue (IDOR) has begun accepting and processing 2024 tax returns. Illinois is ...

The deadline to file taxes is less than a month away. Here's everything you need to know about federal and state taxes, ...

CHICAGO The Illinois Department of Revenue (IDOR) is advising taxpayers to be vigilant when preparing tax returns in order to ...

In a unanimous opinion delivered by Justice O'Brien, the Illinois Supreme Court affirmed that the Illinois Department of Revenue (IDOR) has ...

Arlington Heights had filed a complaint against Rolling Meadows in Cook County circuit court seeking to get its money back ...

The Illinois Department of Revenue reminds taxpayers of common tax return errors that could lead to delays, rejections or ...

Officials with the Illinois Department of Revenue met with the Illinois House Revenue and Finance Committee Thursday. IDOR Chief Economist Rubina Hafeez explained some of their projections include ...

The state began accepting tax returns Jan. 27, and eligible taxpayers can use a free direct file program this year, the Illinois Department of Revenue reported in a Jan. 15 press release.

The Illinois Supreme Court ruled in favor of Rolling Meadows in a tax dispute with Arlington Heights over revenue from Cooper ...