Registers and maintains a permanent record of deeds, mortgages, liens, affidavits, and other legal instruments and provides public access to records. Also provides voter registration services and maintains voter registration rolls. Website contains forms to register to vote, request ballot, change address, and change party. Voters can also search website by address for precinct, district and voting place.

Provides law enforcement services including emergency response throughout the county. Also provides search and rescue.

Provides legal representation for people who cannot afford lawyers, and have been assigned one by the court.

Responds to health questions. Administers public health nursing offices throughout the County. Coordinates the Maternal Child Health Advisory Council, helping to integrate and coordinate health services throughout the County.

Provides legal representation for adults who cannot afford lawyers, and have been assigned one by the court. Works with those charged with felonies.

Elected officials, including the board of supervisors, provide regional leadership and oversee public services throughout the county.

Provides law enforcement services including emergency response throughout the county. Offices are located in Ajo, Avra Valley, Catalina, Green Valley, Robles Ranch, Tucson, and Vail. Also provides search and rescue.

Administers public libraries throughout Santa Cruz County.

Administers oral health programs for underserved populations within Maricopa County.

Provides law enforcement services including emergency response throughout the county. Also provides search and rescue.

Administers public libraries throughout Yuma County.

Elected and appointed officials, including the county manager and the board of supervisors, are responsible for administration of county services and enacting county rules and regulations.

Administers public libraries throughout the county. Note that some cities maintain the local library; see separate listings.

Elected officials, including County Supervisors, and appointees responsible for administration of county services.

Provides building, maintenance, and renovation services for all county facilities. Oversees county parks.

Officials, including the County Manager and County Board of Supervisors, responsible for administration of county agencies and programs and for enacting county rules and regulations.

Elected officials, including the Board of Supervisors, responsible for enacting County rules and regulations and administering services and programs throughout Mohave County.

Administers school health and wellness programs in Maricopa County.

Maintains County Highways. Provides solid waste services. Maintains several landfills and rural transfer stations where waste is briefly held then transferred to another facility. Accepts bagged residential and commercial waste, recyclables, and used tires. Also accepts antifreeze, batteries, oil, and paint (ABOP).

Administers public works projects and services throughout the county.

Provides law enforcement in Cochise County. Offices are located in Benson, Bisbee, Douglas, Elfrida, Sierra Vista, and Willcox. Also provides search and rescue.

Provides technical and vocational education for students in grades 11-12 attending charter, home-school, private, or public high schools; and for young adults earning their GED. Classes are held in various locations.

Conducts federal, state, and county elections. Provides information on voting by mail, candidates, and past elections.

Serves as public transit authority for Yuma County.

Administers public transportation systems and infrastructure throughout Maricopa County.