Increasing numbers of young children are now routinely screened for developmental delays during well-child visits in primary care settings which support early identification of developmental delays. Unfortunately, research indicates that there is often a gap between the number of children who receive an abnormal screen and the number who successfully follow through with a referral for further evaluation. This article highlights how, with support from Colorado Project LAUNCH, care navigation services in South Adams County, Colorado, have evolved over the past 4 years to address these issues and successfully reduce the referral gap.