The study aims to investigate what constitutes quality in municipal supported housing for young people (16-21 y/o). The study examines organizational conditions and what working methods are used in the work with the youths. Qualitative interviews have been conducted with unitmanagers, coordinators and employees who work at various municipal supported housing inSweden (10 interviews; 6 supported housing). The interviews have been processed using athematic analysis method and analyzed with self-determination theories combined with a theoretical framework based on implementation science and quality residential care. The resultsshowed some central quality aspects for the supported housing facilities. Related to structurequality, the importance of internal trustworthy relationships in the workplace, opportunities for competence supplies, flexibility, good professional collaborations, and access to resources werehighlighted. For process quality, it depended on how the caregivers produced and contributedto the youth’s goal to independency. The coworkers mainly used practical and emotional support efforts, inspired by Motivational Interviewing approaches. Since the employees mainly used themselves as a working tool, the study concludes that they would need continuous support for their professional and personal development, to maintain a good quality.