Useful Links:

To Help with Your Tax Returns:

• How much did I pay in Cook County real estate taxes last year?
• How do I find my PIN number for my personal residence?
• Sales tax deduction calculator
• What estimated payments did I make to Illinois?
• Where’s my federal refund?
• Where’s my Illinois refund?
• How do I get an Employer Identification Number (EIN)?   - Scroll down to "Apply Online Now"