Noise from Specific Sources in Chicago, IL (2026)
6 verified noise from specific sources rules for Chicago, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
HVAC & Mechanical Noise
Chicago caps HVAC and refrigeration unit noise at 55 dB(A) from 100 feet, enforced nightly from 8 p.m. to 8 a.m.
Chicago HVAC Equipment Noise Limits
Some RestrictionsMunicipal Code of Chicago § 8-32-090
No person shall operate or permit operation of any mechanical stationary equipment in such a manner as to generate sound having a sound pressure level greater than 55 dB(A) when measured from a distance of 100 feet or more from the mechanical stationary equipment, or 70 dB(A) when measured from a distance of 10 feet or more from the mechanical stationary equipment. The place of measurement shal...
Bar & Nightclub Noise
Liquor-licensed bars and nightclubs in Chicago can't blast amplified sound past conversational level 100 feet from the property line.
Chicago Bar & Nightclub Noise Limit
Some RestrictionsMunicipal Code of Chicago § 8-32-080
No establishment holding a liquor license pursuant to Chapter 4-60 of this Code, or a public place of amusement license pursuant to Article III of Chapter 4-156 of this Code, shall operate or permit operation of any equipment or device that electronically amplifies sound so as to generate sound louder than average conversational level at a distance of 100 feet or more from the property line of ...
Car Alarm Limits
Chicago requires every vehicle alarm to shut itself off within four minutes of triggering and stay silent until reset. Alarms lacking an automatic shutoff and reset mechanism cannot legally be installed, maintained, or operated on city roadways.
Chicago Car Alarm 4-Minute Shutoff Rule
Some RestrictionsMunicipal Code of Chicago § 9-76-150
(a) In any vehicle equipped with a continuous or intermittent audible signal device which acts as a burglar alarm, such device shall be limited in operation to four minutes after activation and shall be incapable of further operation until reset to become active again... (c) Any person who violates this section shall be subject to a fine of $50.00 for each offense. Any person who violates this ...
Generator Noise
Chicago caps generator noise at 55 dB(A) from 100 feet, but exempts emergency backup power use entirely.
Chicago Generator Noise Limits
Some RestrictionsMunicipal Code of Chicago § 8-32-090(a),(f)
No person shall operate or permit operation of any mechanical stationary equipment in such a manner as to generate sound having a sound pressure level greater than 55 dB(A) when measured from a distance of 100 feet or more... The limits set in subsection (a) of this section do not apply to sounds generated by a generator used during a loss of normal power supply to provide emergency electrical ...
Delivery Truck Noise
Chicago bans loud loading and unloading of boxes, crates, containers, and dumpsters between 10 p.m. and 7 a.m. if it creates a noise disturbance in residential districts or noise sensitive zones.
Chicago Overnight Delivery Noise Ban
Some RestrictionsMunicipal Code of Chicago § 8-32-130
No person shall undertake or cause the loading, unloading, opening, closing or other handling of boxes, crates, containers, building materials, garbage cans, dumpsters or similar objects between the hours of 10:00 p.m. and 7:00 a.m. in such a manner as to cause a noise disturbance within a residential district or within a noise sensitive zone.
Low-Frequency Bass Limits
Chicago's Noise Ordinance bars low-frequency earthshaking vibrations that cross a property's lot line and are perceptible without instruments, with tighter manufacturing-district setbacks and citywide fines for violations.
Chicago Earthshaking Vibration Noise Limit
Some RestrictionsMCC § 8-32-160(b)-(c)
(b) In all other districts, any property use creating earthshaking vibrations must be controlled in such manner as to prevent transmission beyond the lot line of earthshaking vibrations perceptible without the aid of instruments; provided that, this limitation does not apply where the affected adjoining property is zoned M3 (heavy manufacturing). (c) In all zoning districts earthshaking vibrati...
Looking for Cook County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Chicago city rules.
Noise from Specific Sources in Cook County →