The Cook County Board of Review is open to appeal your property tax reassessment. The deadline to file online is January 2. If you would like Taxpayer Advocate Grace Bardusk to file an appeal on your behalf, please complete a form located at City Hall or the Cook County Board of Review website. Return the form to City Hall no later than December 21 so a timely appeal can be submitted. If you have any questions, please call 708-444-4816 or email gbardusk@oak-forest.org.