Established on December 19, 2006 via Resolution No. 2006/791, the purpose of the Council is to advise the Board of Supervisors on discretionary land use matters affecting the Diablo community, such as land use designations, general plan amendments, environmental impact reports, negative declarations, zoning-variance applications and building permit applications for additions or remodeling projects which would affect the exterior dimensions of the residence and for which noticed public hearings are required or could be required by the County's Planning Agency.
The Council shall also represent the community before the County Planning Commission, the Zoning Administrator and the County Board of Supervisors on such land use, planning and zoning matters. The Council will advise in accordance with the policies and of the General Plan, including sections 3-129 and 3-138. It is understood that the Board of Supervisors is the final decision making authority and that the Council shall serve solely in an advisory capacity. In addition, the Council may: Advise the Board of Supervisors on local government services as requested by the Board; provide input and reports to the Board, county staff, or any other county hearing body on issues of concern to the community; serve as a liaison between the community and the County Supervisor representing Diablo. Except as specified above, the Council may not represent the Diablo community to any state, county, city, special district, or school district, agency or commission, or any other organization on any matter concerning the community.
The Council consists of 5 members, each of whom shall be a current elected member of the Diablo Community Services District Board of Directors. On December 13, 2022 the Board of Supervisors appointed the elected Diablo CSD members as the Diablo MAC members, pursuant to Resolution 2007/166. This board order assigns the seat names to each of the members.
The members titles will not be part of the official Board of Supervisor's records.