Community Assistance Center | 616 followers on LinkedIn. Helping Neighbors in Need in Sandy Springs and Dunwoody since 1987. | The Community Assistance Center (CAC) brings together the Sandy Springs and Dunwoody communities to provide compassionate assistance to neighbors in need by providing financial support, helping to meet basic needs and promoting self-reliance. CAC works to prevent homelessness and hunger locally with the support of 30 congregations of all faiths, public and private grants, civic organizations, schools, businesses and individuals. Supporters provide financial resources, in-kind donations and volunteer manpower.