Source: (2005) Child Welfare. 84(2): 153-170.This article discusses the National Center on Addictionand Substance Abuse's CASA Safe Haven, an evidence-based, community-driven intervention program for children and families in child welfare whose lives have been adversely affected by substance abuse, and for staff in the agencies that work with them. CASA Safe Haven builds collaborative relationships that feature a blend of multidisciplinary teams that share responsibility for helping families; family group conferencing, in which families are equal and welcome participants in designing and driving a service plan; and the influence of family court to hold families and service providers accountable for progress. CASA Safe Haven is a framework for collaboration. Author's abstract.