This article reports the first step of a human factor evaluation process based on user needs analysis. Our goal is to design assistive services dedicate to elderly people living along with healthcare professionals in residential home care units in France.After introducing MEDETIC non profit organization and its research in healthcare and wellbeing design services, we will report the qualitative evaluation that we performed to retrieve user needs and organizational attitudes toward ICT expressed by this population. A total of 24 elderly dependent people experiencing several types of limitations (sensory, physical, cognitive or none) and leaving in 3 different residential home care units in France and 13 healthcare professionals (4 managers, 4 nurses and 5 caregivers) were interviewed in order to measure user needs and technology acceptance. Results of this study provide qualitative support to healthcare service definition in community living ambient assisted living domain.