The Information and General Services Agency maintains vital infrastructure and related services that enable county employees to serve the citizens of Nevada County.
The Nevada County Library system consists of six library locations. The Madelyn Helling Library is the main branch library housing administrative services.
The mission of the Nevada County Probation Department as an integral part of the Criminal Justice System is to improve public safety by serving the courts and providing evidenced based practices and interventions.
The Nevada County Public Health Department achieves its mission through an array of programs including communicable disease control, chronic disease prevention, emergency preparedness, community health education, clinical services and healthcare management.
The Department of Social Services, as part of the Health and Human Services Agency, exists to offer vital human services to the citizens of Nevada County.