Specifications include, but are not limited to: Contractor shall provide Substance Use Disorder (SUD) early intervention, drop-in, and recovery services to homeless adult women in Central San Diego with alcohol and other drug-related problems. Contractor shall introduce program participants to recovery services in a safe, sober, and trauma informed environment. Additionally, Contractor shall identify and screen clients who exhibit mental health concerns prior to their development of a serious mental health diagnosis. Program staff shall assist with the selection of interventions that can prevent or diminish the development of a mental health disorder. Interventions will preferably be promising or best practices that are age appropriate, integrated, accessible, culturally competent, and strengths based.