Building capacity to implement sexual health risk and substance use disorder prevention services in adolescent behavioral health treatment: A case study

•Structured approaches guide the capacity-building process for health promotion programming in behavioral health settings.•Rapid response to challenges and successes facilitates advancement towards agency capacity-building.•Structured approaches can mitigate challenges that impact the implementation of programming in behavioral health settings.•A structured approach and ongoing monitoring resulted in increased capacity to implement a health promotion program.