The GIS Division provides the following services:

• Address assignment in accordance with the Public Works regulations and the 9-1-1 Center requirements.
• Road naming and ranging in accordance with the Public Works regulations and the 9-1-1 Center requirements.
• Parcel base mapping for Missoula County (including the City of Missoula).
• Base map services to county offices and the public.
• Special mapping requests and GIS analysis to county departments.
• Support to the 9-1-1 Center.
• Mapping/GIS Support to the Office of Emergency Management.
• Missoula County Property Information System support and development.
• Mapping support to the Montana Department of Revenue.
• Mapping/GIS Support to the County Commissioners' Projects Coordinator.