The Board of Supervisors receives valuable input and community participation from numerous citizen advisory boards on a range of issues. Of vacancy, the Contra Costa County Board of Supervisors.• Appoint a person to fill the vacancy OR. • Order EBMUD to call a special election. Dear Candidate: Running for elected office can lead to meaningful public service that benefits Contra Costa's diverse communities. Learn more about the CCWD Board of Directors. Services Expand ServicesCollapse Services. Elections Expand ElectionsCollapse Elections. ADOPT Resolution No. 2024296 declaring September 2024 as. Central San Board Members are elected in November of even-numbered years. The office is non-partisan, and there are five seats with staggered four-year terms.