Our mission is to prevent and resolve homelessness and improve the health, dignity, and well-being of people living in poverty in Marin County. #RitterCenter Ritter Center prevents and resolves homelessness and improves the health & wellbeing of individuals. Ritter Center's Mission is to prevent homelessness and improve the health and well-being of individuals and families who are homeless or low-income by providing a range of culturally sensitive, easily accessible, high quality medical care and social services.