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How to file a noise complaint in Chicago

Last updated: August 11, 2026

Official text: Municipal Code of Chicago, Title 8 (Offenses Affecting Public Peace, Morals and Welfare), Chapter 8-32 "Noise and Vibration Control", self-titled the Chicago Noise Ordinance at Section 8-32-010. Part A, General Provisions (8-32-010 short title; 8-32-020 definitions, including "average conversational level", "noise disturbance", "private open space", "air handling unit", "refrigeration unit" and "mechanical stationary equipment"; 8-32-030 rulemaking; 8-32-040 most restrictive limit controls; 8-32-050 fines, compliance plans and preserved nuisance actions; 8-32-060 and 8-32-065 designation and list of noise sensitive zones). Part B, Limitations on Noise from Specific Sources (8-32-070 music and amplified sound; 8-32-080 regulated entertainment businesses; 8-32-090 mechanical stationary sources, the only numeric dB standard; 8-32-100 emergency signal devices; 8-32-110 non-emergency signal devices; 8-32-120 restrictions within noise sensitive zones; 8-32-130 loading and unloading; 8-32-140 construction, repair or demolition equipment). Part C, Other Limitations (8-32-150 general residual limits; 8-32-160 earthshaking vibrations by zoning district; 8-32-170 exceptions and exclusions). Related provisions outside Chapter 8-32: Section 9-76-145 (broadcast or recorded sound in motor vehicles, 75-foot audibility), Section 9-76-140 (exhaust systems and mufflers), Section 9-76-150 (vehicle burglar alarms) and Section 7-12-100 (excessive animal noise). The predecessor noise ordinance, Chapter 11-4 Article XXI (Sections 11-4-2700 through 11-4-2920), was repealed by Coun. J. 11-16-11, p. 13798, Art. II, § 7 and now reads "ARTICLE XXI. RESERVED"; do not cite it..

Where to file in Chicago

Call 311, use the CHI311 mobile app, or file online at 311.chicago.gov (if 311 will not connect from a cell phone, the city lists 312.744.5000). The city's own 311 FAQ draws the line this way, verbatim: "You should call 311 if the incident that you are reporting has occurred and the offender is gone from the scene. You should call 911 if the incident you are reporting is in progress and the on-site presence of a police officer is necessary to help resolve the matter (e.g., burglary in progress, incident involving injuries, quieting loud neighbors, etc.)." So an in-progress loud party is, by the city's own example, a 911 call, not a 311 call. Noise from HVAC, ventilation, exhaust or refrigeration equipment (Section 8-32-090) is handled by the Department of the Environment under the Chief Sustainability Officer rather than by police. Construction-hours violations (Section 8-32-140) can be cited by designated staff from police, buildings, business affairs and consumer protection, fire, finance, streets and sanitation, transportation, and planning and development. Barking-dog complaints under Section 7-12-100 generally need a complaint signed and sworn by residents of three different addresses, specifying the date and time, unless a city officer personally observes it. Section 8-32-050(d) preserves private common-law nuisance actions, so a resident retains a civil remedy independent of city enforcement.

From the city's official pages and code, verified 2026-08-11. Numbers and departments change; if a line does not answer, the city's main switchboard or 311 can redirect you.

Before you call

1. Log it. Date, start and end time, what the noise was and where you heard it from. Three dated entries carry more weight than one angry call.
2. Measure it if you can. Chicago sets measured limits, so a reading near the limit is direct evidence. The free online decibel meter runs in your browser and records nothing.
3. Check the rule. Quiet hours in Chicago are 8:00 p.m. – 8:00 a.m. (10:00 p.m. amplified sound). The Chicago noise ordinance page quotes the code verbatim, so you can cite the section.
4. Try the source once. A neighbour, landlord or venue manager often fixes it faster than the city does, and telling them first strengthens a later complaint.

What happens after you file

Non-emergency noise reports are queued, not dispatched, so a first call rarely ends the noise that night. What it does is start a record against the address. Repeated reports, a dated log and a reading are what move a case from a warning to a citation. Where the city needs an officer to witness the noise, as most audibility rules require, file while it is happening rather than the next morning.

How loud is Chicago in general? The Chicago noise map shows the federal transportation-noise data for every neighbourhood, and the apartment quiet hours page compares every city's night rule.

Who do I call for a noise complaint in Chicago?

Call 311, use the CHI311 mobile app, or file online at 311.chicago.gov (if 311 will not connect from a cell phone, the city lists 312.744.5000).

What are the quiet hours in Chicago?

8:00 p.m. – 8:00 a.m. (10:00 p.m. amplified sound). The full rule, quoted from the code, is on the Chicago noise ordinance page.

Should I call 911 for noise in Chicago?

Only if there is danger, a threat or a crime in progress. For ongoing noise use 311 or the non-emergency police line; repeated calls build an official record tied to the address, which is what code enforcement acts on.

What evidence helps a noise complaint in Chicago?

Chicago uses both decibel limits and audibility rules, so keep a dated log and take readings when you can; which rule applies depends on the source of the noise.

This page is a plain-language guide to the reporting route, not legal advice. Ordinances and contact numbers get amended; check the linked official sources before relying on a specific provision.