The Washington State Department of Children, Youth and Families (DCYF) submits this report detailing Child Care Subsidy Programs (CCSP) Overpayment (OP) data and explains OP trends over the past four fiscal years (FY) 2021-2024. This report describes DCYF efforts to identify and address the root causes of OP to improve the overall integrity of the CCSP program. The report includes the following information: (1) a summary of the number of overpayments that occurred; (2) the reason for each overpayment; (3) the total cost of overpayments; (4) a comparison to overpayments that occurred in the past two preceding fiscal years; and (5) any planned modifications to internal processes that will take place in the coming fiscal year to further reduce the occurrence of overpayments.