The Maricopa County Board of Supervisors Formal and Informal meetings are open to the public and will proceed under ARS 38-431 et.al. Clerk of the Board, 301 West Jefferson, Tenth Floor, Phoenix, Arizona, Monday through Friday, between the hours of a.m.The CoC Collaborative is a collection of cross-sector stakeholders providing housing and services to people experiencing homelessness in Maricopa County. If you have general questions, call City Hall at (520) 568-9098 and ask for the Planning Division. Items on the agenda are open for citizen input. Please fill out a card and present it to the City Clerk before the meeting begins. MAG provides regional planning and policy decisions in areas of transportation, air quality, water quality, and human services for Maricopa County. The Housing Authority of Maricopa County (HAMC) owns and manages 500 units in 15 communities throughout Maricopa County. The Governing Board will conduct its annual organizational meeting at the first meeting in January.