Are your taxes delinquent? The Cook County Treasurer's Office website was designed to meet the Illinois Information Technology Accessibility Act and the Americans with Disabilities Act.

Find IRS forms and answers to tax questions. We help you understand and meet your federal tax responsibilities.

Catch up on all the key tax changes and updates coming in 2026—at your convenience. Webinar recordings are now available, so you can stay informed and ahead of the curve.

Learn about filing federal income tax. Check the status of your tax refund, find help filing your taxes, and get federal tax forms.

Easily prep & file your federal tax return with H&R Block to maximize your refund. No matter how you choose to file taxes this year, our services are guaranteed.

Nov 25, 2025 · Use some key steps and the 2026 individual tax brackets to help you figure out your taxable income and get the most from possible credits and deductions.

1 day ago · Taxpayers could be stretched to new limits in 2026 as key but complicated new tax breaks kick into place on 2025 federal income tax returns.

17 hours ago · The new budget for Chicago is now in effect and while some tax changes won't begin right away, others have already arrived.

4 days ago · A range of changes in individual tax rates and breaks could boost household war chests in early 2026 through a combination of larger refunds during the filing season and larger take-home …