Cook County property owners are finally seeing long-delayed refund checks move again, after nearly a year of frustration over payments tied to assessment errors, exemptions and property tax corrections.
The Cook County Treasurer’s Office says millions of dollars are now being sent to residents and organizations that had been waiting for refunds. The renewed movement comes after months of public pressure, county infighting and a dispute with Tyler Technologies, the private company connected to Cook County’s property tax system upgrade.
According to ABC7 Chicago, Treasurer Maria Pappas said the county has recently paid out $73 million to about 28,000 people. That marks a sharp increase from the roughly $7 million sent to about 2,500 people during the year-long delay.
Refund checks begin moving after long backlog
The refunds are linked to cases where property owners were owed money because of assessment mistakes, exemptions or other corrections. For many residents and organizations, those delays meant money remained tied up while tax bills and refund approvals moved slowly through county systems.
One major case involved Lorell Marin, founder and CEO of Quantum LEEP Academy. Her tax-exempt school was mistakenly billed on back taxes and recently received more than $300,000 in refunds after questions were raised about the case. Her tax attorney has said the school is still owed another $387,000.
Marin said the delay created serious financial pressure for the school and raised fears that it might have to close. Pappas has said the remaining refund money for the school is expected to be sent.
The Treasurer’s Office also said refund money has been sent to South Barrington, while 35 refund checks were issued to several property owners in Lyons Township. For taxpayers who had waited months, the checks are more than routine paperwork. They are overdue funds that may affect household budgets, schools, businesses and local governments.
Tyler Technologies dispute remains central
The refund delay has been tied to a broader dispute over Cook County’s property tax system upgrade. County officials have blamed the hold-up partly on Tyler Technologies and delayed system improvements. Tyler has said it continued to work with the county and argued that incomplete data from the county contributed to the problem.
The contract in question began more than a decade ago, and Cook County has paid Tyler Technologies more than $30 million for the property tax system work. That figure does not include additional county payments to Tyler for other contracts.
Pappas has credited two recently hired artificial intelligence specialists with helping speed up the refund process. She said AI tools helped the office process refunds more quickly, allowing tens of thousands of taxpayers to receive money in recent weeks.
Another $181 million in delayed refunds could be sent within about four months, according to the Treasurer and her specialists. The recent progress suggests the backlog is finally easing, but the remaining amount shows the county still has significant work ahead.
For Cook County taxpayers, the issue is straightforward: money owed to property owners was stuck for too long. The latest payments may bring relief to thousands of people, but the larger test will be whether the county can finish clearing the remaining refunds and rebuild trust in a property tax system that has already drawn anger across the region.














