You can view a list of all City Departments on this page. Under the department name is a list of Service Providers for that department.
In 2015, the City Council Office of Financial Analysis (COFA) was created to serve as the City Council’s independent budgetary arm. COFA provides the City Council with fiscal analysis of legislation, forecasts, and budget recommendations.
In July 2021, the Chicago City Council passed an ordinance creating a new model for police oversight, accountability, and public safety.
The Department of Administrative Hearings is an independent quasi-judicial body. The matters which come before us to be adjudicated relate to the public health, safety, welfare, morals and economic well being of the residents of the City of Chicago.
The Department of Assets, Information and Services (AIS) supports the operations of other City Departments by providing high-quality and cost-effective services. Formerly the Department of Fleet and Facility Management (2FM), including the consolidation of the Department of Innovation and Technology (DoIT).
The Department of Buildings enhances safety and quality of life for Chicago's residents and visitors through permitting, inspections, trade licensing, and code enforcement.
The Chicago Department of Business Affairs and Consumer Protection (BACP) ensures a fair and vibrant marketplace for businesses, workers and consumers in the City of Chicago. BACP licenses businesses and public vehicles, regulates business activity, protects consumers from fraud, enforces Chicago’s labor laws, partners with business service organizations and provides education and resources for businesses.
The Chicago Department of Aviation (CDA) administers all aspects of two major airports – Chicago O’Hare and Midway International Airports.
The Chicago Police Board is an independent civilian body that decides disciplinary cases involving Chicago police officers. Click on Police Discipline below to access the Board's decisions and other information on police disciplinary cases.
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Chicago’s Office of Emergency Management and Communications (OEMC) oversees a number of functions that support public safety and provides assistance to residents 24 hours a day, 365 days a year. The OEMC manages the following operational areas for the city: 9-1-1 call taking and dispatch; the 3-1-1 call center; emergency management; and traffic management. The OEMC coordinates with departments citywide, including the Chicago Police Department and Chicago Fire Department, in addition to various other local, state, and federal agencies as it relates to public safety planning and coordination for everything from large-scale special events to public safety emergencies and disasters.
The Board of Ethics administers Chicago’s Governmental Ethics and Campaign Financing Ordinances, laws adopted to help ensure that City officials and employees avoid conflicts of interests.
The City of Chicago is committed to providing leadership and help throughout the evolving COVID-19 crisis. As the situation develops, the City will continue to offer resources and support to people across the city. Chicago.gov/Coronavirus provides the latest information on a range of topics regarding COVID-19.
The Department of Finance provides effective and efficient management of the City’s financial resources. It is responsible for the collection or disbursement of City revenues and all funds required to be in the custody of the city treasurer.
- Accounting and Financial Reporting
- Accounts Payable
- Centralized Invoice Processing
- Chicago Benefits Office
- Citation Administration (Vehicle)
- Collection of Debt Owed to City
- Contract Review and Audit
- Debt Management and Investor Relations
- Garbage Fee
- Pay or View Administrative Hearing Fines
- Payment Processing
- Payroll Administration for City Employees
- Public Private Partnerships
- Residential Parking Permit
- Tax Collection and Enforcement
- Utility Billing & Customer Service
- Workers’ Compensation
- eProcurement & the iSupplier Portal
The Department of Human Resources facilitates the effective delivery of city services through the establishment of professional human resources management program.
The Mayor's Office for People with Disabilities (MOPD) works to make Chicago a world-class accessible city on behalf of residents and visitors with disabilities. We are committed to providing excellent customer service and value your feedback. To leave information about a recent experience with a MOPD program or service, please email MOPDFeedback@cityofchicago.org or call 312-746-5773 and select option 7, and a Program Director will follow up with you as soon as possible.
Responsible for preparing and executing the City's annual budget. The Office of Budget and Management evaluates the efficiency and efficacy of all City operations and drives management reforms that improve the City's fiscal condition and increase taxpayer value.
As the principal planning agency for the City of Chicago, the Department of Planning and Development (DPD) promotes the comprehensive growth and sustainability of the City and its neighborhoods. The department also oversees the City’s zoning and land use policies and employs a variety of resources to encourage business and real estate development, historic preservation, accessible waterfronts, walkable neighborhoods, and related community improvements.
The Department of Procurement Services (DPS) is the contracting, certification, and compliance authority for the City of Chicago. DPS maintains the highest commitment to diversity, transparency, and innovation while continuously expanding the resources and programs that empower citizens to become involved in the contracting opportunities available at the City.
- Auctions - Surplus Equipment and Materials
- Contract Administration
- Debarred Firms and Individuals
- Diversity Credit/Capacity Building/Small Business Programs
- Events & Outreach
- M/W/VBE Program - Certification (DBE/ACDBE/BEPD) / IL UCP Directory
- Procurement Reform Task Force (PRTF)
- Rules, Regulations and Ordinances
The Department of Streets and Sanitation (DSS) is one of the the largest non-emergency departments with a team of over 2,000 employees and a $283 million annual budget. DSS responds to an average of one million service requests per year making a difference in communities across the city.
The Chicago Department of Transportation (CDOT) is responsible for public way infrastructure, including planning, design, construction, maintenance and management.
- Automated Enforcement
- Bridges, Viaducts, and Waterways
- Conservation & Sustainable Transportation
- Construction, Permits, Utilities and Contracts
- Major Projects, Programs and Studies
- Public Transportation and Stations
- Streets, Alleys and Sidewalks
- Traffic Safety, Signals, Lights and Signs
The Department of Water Management delivers nearly 1 billion gallons of drinking water to residents of Chicago and 125 suburbs daily. We also remove waste water and storm runoff through the sewer system. Our mission is to efficiently provide the highest quality drinking water to the Chicago region while protecting our most precious natural resource- Lake Michigan.
The City of Chicago Government collaborates with several external entities, including other City agencies, County Government, and State Agencies. Click on the links below to be routed to popular services provided by these non-city agencies, and to find direct links to their websites.