Datasets
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CDPH Environmental Enforcement
Municipal and State code violation notices issued by the Department of Environment (DOE) from January, 1993 to December 31, 2012 and by the Department of Public Health (CDPH)... -
Foreclosed Rental Property
Foreclosed rental properties registered with the Chicago Department of Housing under the Keep Chicago Renting ordinance. Prior to 12/12/2022, Owner and Owner Management Agent... -
Towed Vehicles
This dataset displays location for vehicles that have been towed and impounded by the City of Chicago within the last 90 days. Illegally parked vehicles, abandoned vehicles and... -
Health Alert Network Alerts
Public alerts for the Chicago Department of Public Health's (CDPH) Health Alert Network (HAN). The HAN provides CDPH with the capacity for quick, efficient, reliable, and secure... -
Building Permits
Note, 10/15/2025: We have added a PERMIT_CONDITION column. This dataset includes information about building permits issued by the City of Chicago from 2006 to the present,... -
Current Employee Names, Salaries, and Position Titles
This dataset is a listing of all active City of Chicago employees, complete with full names, departments, positions, employment status (part-time or full-time), frequency of... -
Lobbyist Data - Expenditures - Large
Expenditures of $250 or more. smaller expenditures are summarized in https://data.cityofchicago.org/d/eqdx-4qxd. See... -
Special Events
Upcoming events in Chicago. This dataset is used by the Office of Emergency Management and Communications and other City of Chicago departments and primarily focuses on those... -
Crimes - One year prior to present
This dataset reflects reported incidents of crime (with the exception of murders where data exists for each victim) that have occurred in the City of Chicago over the past year,... -
Additional Dwelling Unit Preapproval Applications
Applications for preapprovals for Additional Dwelling Units (ADUs) received by the Department of Housing pursuant to the December 2020 ADU Ordinance. After issuance of an ADU... -
Potholes Patched
Potholes patched. For the previous seven days in map form, see https://data.cityofchicago.org/d/caad-5j9e. -
Chicago Public Library Events
Events hosted by the Chicago Public Library. Only events that have not yet occurred are shown. -
COPA Cases - By Complainant or Subject
Complaints received by the Civilian Office of Police Accountability and its predecessor agency. A case will generate multiple rows, sharing the same LOG_NO if there are multiple... -
Sex Offenders
Description: Pursuant to the Sex Offender and Child Murderer Community Notification Law, 730 ILCS 152/101,et seq., the Chicago Police Department maintains a list of sex... -
311 Service Requests
311 Service Requests received by the City of Chicago. This dataset includes requests created after the launch of the new 311 system on 12/18/2018 and some records from the... -
Budget - 2026 Budget Ordinance - Positions and Salaries
The Annual Appropriation Ordinance is the final City operating budget as approved by the City Council. It reflects the City’s operating budget at the beginning of the fiscal... -
Micro-Market Recovery Program - Violations and Inspections
The City of Chicago launched the Micro-Market Recovery Program (MMRP), a coordinated effort among the City, not-for-profit intermediaries, and non-profit and for-profit capital... -
COPA Cases - By Involved Officer
Complaints received by the Civilian Office of Police Accountability and its predecessor agency. A case will generate multiple rows, sharing the same LOG_NO if there are multiple... -
Parking Permit Zones
This dataset contains all those street segments (individually uniquely identified by Record ID) that have been designated as belonging to a “Residential Parking Zone.”... -
Traffic Crashes - People
This data contains information about people involved in a crash and if any injuries were sustained. This dataset should be used in combination with the traffic Crash and Vehicle...