Noise from Specific Sources in Illinois (2026)

Chicago caps HVAC and refrigeration unit noise at 55 dB(A) from 100 feet, enforced nightly from 8 p.m. to 8 a.m.

In Cicero's R-1 and R-2 residential districts, window and central air conditioning units cannot emit sound between…

Evanston caps noise from mechanical equipment, including HVAC systems, at 55 dBA measured at the property line. Section…

Rooftop HVAC and mechanical equipment in Oak Lawn's R-3, C-1, C-2, C-3, O, and M-1 districts must be screened from view…

Skokie requires a Village permit before installing or replacing an air conditioning condenser, bars units from front…

Ground-mounted AC and heating units over 30 inches tall must sit 15+ feet from residential property lines and be…

Unincorporated Macon County exempts air conditioners and other powered maintenance equipment from Chapter 94's noise…

Oak Lawn's liquor licensing code bars retail alcohol licensees from allowing loud talking, quarreling, singing, or…

Aurora, Illinois (Kane County) bars any commercial establishment, including bars and nightclubs, from raucous noise…

Champaign exempts outdoor activity at a Class T retail liquor license from the standard sound-amplification and…

Liquor-licensed bars and nightclubs in Chicago can't blast amplified sound past conversational level 100 feet from the…

Cook County fines any bar, nightclub, or business whose noise is boisterous enough to disturb the peace of its…

Bars, clubs, and other venues in Evanston cannot run loudspeakers or amplifiers loud enough to carry onto a public way…

Naperville exempts B4-zoned restaurants and taverns with a liquor license from the citywide amplifier permit, letting…

Bars with a Sangamon County Beer Garden Permit must silence outdoor music by 9 p.m. on weeknights and 10:30 p.m. on…

Schaumburg treats amplified music and sound as a noise violation when it disturbs neighbors or when it can be heard…

Chicago requires every vehicle alarm to shut itself off within four minutes of triggering and stay silent until reset…

Cicero caps every car burglar alarm at four minutes of continuous or intermittent sound before it must shut off…

Naperville caps how long a car alarm can blare: under Naperville Municipal Code § 10-6A-7, any audible signal from a…

Under Village Code section 17-1-30(A), the home-rule Village of Oak Park, Cook County, Illinois, bans the repetitious…

Schaumburg's noise ordinance bars sounding any horn or signaling device on a vehicle for an unnecessary and…

Skokie's public nuisance code, not a separate noise ordinance, is what stops a car or building alarm from blaring for…

Evanston requires any vehicle burglar alarm to shut itself off within four minutes of activation and prevents it from…

Aurora, Illinois (Kane County) treats loud generator and other internal-combustion-engine noise as a per se violation…

Champaign's only decibel-based noise standard sits inside its mobile food truck rules: Section 25-66.1(c)(7) caps noise…

Chicago caps generator noise at 55 dB(A) from 100 feet, but exempts emergency backup power use entirely.

Village Code section 17-1-30(G) requires the exhaust of any stationary internal combustion engine, such as a portable…

Schaumburg limits generator noise from utility equipment installed in the public right-of-way, not household portable…

Skokie caps residential electric generators at 70 decibels under full load and restricts testing to the hours set for…

Waukegan caps standby generator noise at 75 decibels measured at the property line after screening, and requires the…

Kane County caps noise reaching residential land at 65 dBA in daytime and 55 dBA at night, measured at the…

Portable and stationary generators are exempt from DuPage County's loud and raucous noise ordinance when they run…

Naperville's noise code exempts emergency generators from its decibel limits, along with valves, warning devices, and…

Unincorporated Will County's residential noise ordinance, Code § 133.04, exempts "emergency related sound" from its…

Aurora bars unreasonably loud, raucous loading or unloading noise at any business or residence between 10 p.m. and 6…

Chicago bans loud loading and unloading of boxes, crates, containers, and dumpsters between 10 p.m. and 7 a.m. if it…

In unincorporated Madison County, loading, unloading, opening, closing or otherwise handling boxes, crates, containers…

Schaumburg bars truck deliveries and pickups between 10:00 p.m. and 7:00 a.m. in residential districts and in business…

Evanston makes loud, excessive noise from loading or unloading vehicles, or from opening and breaking down boxes and…

Chicago's Noise Ordinance bars low-frequency earthshaking vibrations that cross a property's lot line and are…

Schaumburg does not write a bass-specific rule; it caps every continuous or recurring sound source, subwoofers, home…

Will County bars electronically amplified sound - including bass-heavy music and car audio - audible 75 feet beyond the…