O'Fallon

Administration

All city departments report directly to the City Administrator.

City Clerk

Performs duties mandated by state and local law, serving the City Council and the general public.

Information Technology

Responsible for supporting the City of O'Fallon technology and communication systems.

Emergency Medical Services

O'Fallon-Shiloh Emergency Medical Services Department.

Public Works

Achieves the highest possible quality of life through effective planning, management, operation and maintenance of city infrastructure serving O'Fallon, Fairview Heights, and Shiloh.

Human Resources

Responsible for recruitment, employee selection, employee relations, compensation, and benefits administration.

Finance

Maintains and reconciles all financial records including accounts payable/receivable, procurement, year-end audit, and annual budget.

Library

Parks & Recreation

Police

Dedicated to proactively solving problems and protecting life and property through education, prevention, and enforcement.

Utility Billing

Processes requests for water start up and discontinuation of services.

Mayor's Office

Community Development

Provides professional land development services and promotes the health, safety, and general welfare of residents and businesses.

Fire Rescue

O'Fallon Fire Rescue provides fire and emergency services to the community.