Chicago caps construction equipment noise at 75 dBA measured 100 feet from the source and restricts most powered construction to weekdays 8am to 8pm. Impact tools and pile drivers face stricter time and decibel rules under MCC 11-4-1500.
MCC 11-4-1500 sets a 75 dBA limit for construction equipment measured at 100 feet from the source, replacing the older property-line method. Operations are limited to 8am to 8pm Monday through Friday and 9am to 8pm Saturday and Sunday inside residential zones; commercial sites get slightly broader windows. Impact tools, jackhammers, pile drivers, and pavement breakers must use OSHA-approved muffling and may not run before 8am near residences. Emergency utility work is exempt with City notice. Department of Public Health and Streets and Sanitation inspectors enforce; permitted demolition and concrete pours may receive case-by-case time variances from the Department of Buildings.
Operating loud equipment outside permitted hours or above 75 dBA carries fines of $750 to $5,000 per day per violation under MCC 11-4-1500, plus potential stop-work orders from the Department of Buildings.
Chicago, IL
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Chicago, IL
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Chicago, IL
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See how Chicago's construction equipment noise rules stack up against other locations.
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