Each record here is a building inspection conducted by the City of Chicago Department of Buildings, and each inspection has one or more violations. Inspections are made because of compliants, periodic inspections, and the opening of new buildings or businesses.
Report a violation
You can report a possible building violation to the City of Chicago by calling 311 or submitting online.
Top 50 and Serious violations
The "Top 50" label is applied to inspections that have one or more of the past year's most common violation codes. The top 50 are recalculated daily.
The top 5 most common violation codes for the past year are:
EV1110: Failed to maintain electric elevator equipment provided at premises in safe and sound working condition. (13-196-590, 13-196-630(b), 18-30-001)
CN190019: Arrange for inspection of premises. (13-12-100)
EV1111: Failed to maintain hydraulic elevator equipment provided at premises in safe and sound working condition. (13-196-590, 13-196-630(b), 18-30-001)
CN061014: Failed to maintain the exterior walls of a building or structure free from holes, breaks, loose or rotting boards or timbers and any other conditions which might admit rain or dampness to the walls. (13-196-530(b), 13-196-641)
VT1010: Arrange mechanical ventilation or warm air heating system final inspection when work completed. (13-12-100, 13-176-310, 13-184-140)
Serious violations are labeled at our discretion and represent violations that could represent an imminent threat to life safety. The following 15 violation codes are labeled "serious":
CN070014: Failed to maintain exterior stairways in safe condition and in sound repair. (13-196-570, 13-196-641)
CN070024: Failed to repair or replace defective or missing members of porch system. (13-196-570, 13-196-641)
CN101015: Failed to maintain interior walls and ceilings free from holes or cracks. (13-19-540(c))
CN193000: [one of the following issues] Maintain building in safe condition so it does not constitute actual and imminent danger to public (13-12-130, 13-8-100, 13-12-120, 13-12-125, 65 ILCS 5/11-31-1); Maintain building windows and doors in safe condition (13-196-550); Maintain stairway and porch in safe condition (13-196-570); Maintain floors, walls, and ceilings in safe condition (13-196-540); Maintain building in safe condition, premises now dangerous as vacant and open, uncompleted and abandoned, or vacant and boarded (13-12-130, 13-12-125); Maintain watchman at vacant or open premises (13-12-140).
CN197087: Install carbon monoxide detector within 40 feet of every sleeping room in residential structure. (13-64-190, 13-64-210) A carbon monoxide detector is needed whenever there is a heating appliance on the premises that burns fossil fuel such as gas, oil, or coal, or air that is circulated through a heat exchanger. Install according to manufacturer instructions. A hard wired model requires an electrical wiring permit. In a single family residence, be sure the detector is on or below the lowest floor with a place to sleep. In a multiple dwelling residence heated by a boiler, install a detector in the same room as the boiler. Otherwise, each apartment follows single family guidelines. The owner is responsible for installation and written instructions, the tenant for testing, maintenance, and batteries.
CN015062: Failed to remove obstruction from exitway that hampers travel and evacuation. (13-160-070, 13-196-080)
CN061024: Failed to maintain building or structure in a structurally safe and stable condition. The Building Commissioner requests submission of two (2) copies of a structural condition report prepared, signed and sealed by an Illinois licensed Architect or Structural Engineer, attesting to the structural conditions of the building or structure. (13-196-030)
CN070034: Failed to rebuild or replace dilapidated and dangerous porch. (13-196-570, 13-196-641)
CN074024: Failed to provide porch which is more than two risers high with rails not less than three and one-half feet above the floor of the porch. (13-196-570(b), 13-196-641
CN106015: Failed to maintain interior stairway system in safe condition and sound repair. (13-196-570)
CN193019: Repair or wreck dangerous and vacant residential premises. (13-8-100, 13-12-125, 13-12-130)
CN197019: Install and maintain approved smoke detectors. (13-196-100 thru 13-196-160) Install a smoke detector in every dwelling unit. Install one on any living level with a habitable room or unenclosed heating plant, on the uppermost ceiling of enclosed porch stairwell, and within 15 feet of every sleeping room. Be sure the detector is at least 4 inches from the wall, 4 to 12 inches from the ceiling, and not above door or window.
NC2011: Performed or allowed work to be performed without submitting plans prepared, signed and sealed by a licensed architect or registered structural engineer for approval and without obtaining a permit to perform the work. (13-32-010, 13-32-040, 13-40-020, 13-12-050)
NC2051: Knowingly performed construction work in violation of stop work order. (13-12-080(b))