Permanent Supportive Housing Overdose Prevention+ Study

We will be enrolling supportive housing agencies from NY and NJ to participate in this study. Trial enrollment and intervention delivery will occur at the level of the agency. There are anticipated to be 24 supportive housing agencies total that will be enrolled in the study; approximately 6 agencies will be randomly assigned to each of the four intervention waves in the stepped wedge randomized controlled trial. Inclusion Criteria: Supportive Housing Agencies/Individuals who Work at Supportive Housing Agencies: * Serve at least 40 tenants in New York and/or New Jersey * Have a significant concern for overdose (as demonstrated by past year tenant overdose) * Be willing to complete all activities required for participation in the trial Tenants who Live in Supportive Housing Agencies: * Must live in an enrolled Supportive Housing Agency * Must be 18 years and older Exclusion Criteria: * See inclusion criteria.