The Sumner Main Street Association (SMSA) is a non-profit organization with the mission of revitalizing Sumner’s historic downtown district. SMSA is a Washington Main Street Affiliate Member and uses the National Main Street Program’s Four-Point Approach to guide its historic downtown revitalization. The Main Street Four-Point Approach is a comprehensive community-based approach to community revitalization using each of the following four points: Design, Economic Vitality, Promotion, and Outreach. These four points guide our organizational structure and annual work plans.