Contact the Office of the Cook County Treasurer Maria Pappas by phone at:

• 312.443.5100

During periods of high call volumes, e-mails are recommended.

Other helpful phone numbers:

• Call the Office of the Cook County Assessor at 312.443.7550 for information on:
  • Exemptions (homeowner, senior citizen, senior citizen assessment freeze, home improvement, etc.)
  • Assessments
  • Property classifications
  • Property values

• Call the Office of the Cook County Clerk at 312.603.5656 for information on:
  • Prior tax years 
  • Prior tax year forfeitures
  • Prior tax year open items
  • Prior tax year tax sale redemptions

• Call the Office of the Cook County Clerk at 312.603.5649 ONLY for information on your local tax rates.

• Call the Illinois Department on Aging at 1.800.252.8966 for information on the Circuit Breaker program for qualifying disabled and senior-citizen taxpayers.

• Call the Cook County Board of Review at 312.603.5542 for details on:
  • Appealing your assessment
  • Property tax exemptions for not-for-profit organizations

• Call the Illinois Property Tax Appeal Board at 847.294.4121 for details on appealing an assessment decision issued by the Cook County Board of Review.