Illinois law (425 ILCS 60) requires smoke detectors on every level of a residence and near bedrooms. Cook County Chapter 102 building code reinforces these requirements. Carbon monoxide detectors are also mandatory under 430 ILCS 135.
The Illinois Smoke Detector Act (425 ILCS 60) requires approved smoke detectors on every floor of a dwelling unit, including basements, and within 15 feet of bedrooms. Cook County's adopted building codes under Chapter 102 (2009 International Residential Code) reinforce and supplement state requirements. The Illinois Carbon Monoxide Alarm Detector Act (430 ILCS 135) requires CO detectors within 15 feet of every bedroom in dwellings with fossil fuel appliances or attached garages. Smoke detectors must comply with UL standards and be maintained in working condition. Landlords must provide working detectors at tenant move-in. Local fire protection districts inspect for compliance in unincorporated Cook County.
Missing smoke detector: fine and required installation. Landlord failure to provide: liability exposure. Criminal penalties possible under state law for willful non-compliance.
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See how Cook County's smoke detectors rules stack up against other locations.
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