Social workers are the professionals most engaged with families living in low-income and subsidized housing and most familiar with the problems associated with inadequate housing. Yet the discussion of public housing policy has been left largely to economists and housing activists and the clear implications for family social work practice have not been made clear. To connect these critical policy and practice issues, this article provides a theoretical foundation and a review of the research supporting the use of housing vouchers to combat race and class segregation, joblessness, family breakdown, inferior public services, child abuse, mental illness and crime victimization.