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.
The City Council Office of Financial Analysis (COFA) was created in 2015 to provide the City Council with independent analysis of the fiscal implications of the issues before it. COFA works with the City Council's Committee on Budget and Government Operations, and applies the tools of financial analysis to budget recommendations and forecasts, the City's annual audit, proposed public-private partnership agreements or asset leases, bond rating agency actions, and other matters as requested by Aldermen. COFA also provides an options report of potential cost-saving reforms and efficiencies.
The Mayor's Office for People with Disabilities (MOPD) works to make Chicago the most accessible city in the nation on behalf of residents and visitors with disabilities.
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.
BACP ensures a fair and vibrant market place for both businesses and consumers. BACP licenses businesses and public vehicles, provides business education and access to resources, enforces the Municipal Code, and protects consumers from fraud.
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. The nine members of the Board are private citizens appointed by the Mayor with the advice and consent of the City Council.
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The Department of Cultural Affairs and Special Events (DCASE) is dedicated to enriching Chicago’s artistic vitality and cultural vibrancy. This includes fostering the development of Chicago’s non-profit arts sector, independent working artists and for-profit arts businesses; providing a framework to guide the City’s future cultural and economic growth, via the 2012 Chicago Cultural Plan; marketing the City’s cultural assets to a worldwide audience; and presenting high-quality, free and affordable cultural programs for residents and visitors.
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
- Payment Processing
- Payroll Administration for City Employees
- Public Private Partnerships
- Residential Parking Permit
- Tax Collection and Enforcement
- Utility Billing & Customer Service
- eProcurement & the iSupplier Portal
The mission of Chicago’s Department of Housing is to expand access and choice for residents and protect their rights to quality homes that are affordable, safe, and healthy.
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 Chicago Department of Public Health provides guidance, services, and strategies that make Chicago a healthier and safer city.
DSS is one of the the largest non-emergency department 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.