The Maricopa County Board of Supervisors Formal and Informal meetings are open to the public and will proceed under ARS 38-431 et.al. If you have general questions, call City Hall at (520) 568-9098 and ask for the Planning Division.This program is designed to educate parents about how divorce, restructuring of families, and participation in the judicial system will impact their children. The Housing Authority of Maricopa County (HAMC) owns and manages 500 units in 15 communities throughout Maricopa County. See below to access public meeting notices, agendas, attachments and minutes. Physical copies of the public meeting notices are also posted at the locations. If you have any questions regarding the meeting, please contact MAG at (602) 2546300. MAG provides regional planning and policy decisions in areas of transportation, air quality, water quality, and human services for Maricopa County. District Home - Maricopa Unified School District 20. Arizona transaction privilege tax (TPT), commonly referred to as a sales tax, is a tax on vendors for the privilege of doing business in the state.