Apart from treatment, there is probably no area of services that is more important for the rehabilitation and recovery of individuals with severe mental illness than the provision of housing and residential services. The last 30 years have witnessed a burgeoning of housing services and models of service delivery, much of which has been fueled by deinstitutionalization and the move toward community integration for individuals with severe mental illness. This is a research synthesis of supportive housing related to people with psychiatric disabilities. (Authors)