DESC operates five shelter/emergency housing programs, 19 permanent supportive housing facilities with over 1,750 units, several hundred additional scattered site apartments, and a range of behavioral health services including outpatient mental health and substance use disorder treatment, residential crisis stabilization, street outreach, mobile crisis response, and treatment for opioid use disorder. It offers four overlapping types of services, delivered by a team of prescribers, nurses, medical assistants, peer specialists and milieu specialists, with operational leadership support: Care to individuals in stable condition who have experienced an opioid overdose, brought to the ORCA Center by first responders or transferred from local emergency departments.