Access to housing, in the current context of extreme tension in the rental housing market in Paris and throughout the Ile-de-France region, is proving to be extremely complex for people with mental health problems.National and international scientific studies have quantified the problem of homelessness and precarious or inappropriate housing among patients suffering from psychiatric disorders, and show the impact of housing problems on the consumption of psychiatric care.The DÉLAI's mission is to facilitate access to housing for people enrolled in a psychiatric care pathway, with teams from the psychiatric sectors