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Quiet Hours & Noise Rules in Mississauga, Ontario
Confirm quiet hours, decibel limits, construction schedules, and reporting steps so you can keep the peace in your neighbourhood.
Last verified on
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Default quiet hours: 19:00-09:00 (amplified sound clearly audible at a residential point of reception)
Weekends/holidays: 19:00-09:00
Construction weekdays: 07:00-19:00 (residential areas; Quiet Zones 07:00-17:00)
Construction weekends: Sundays/statutory holidays: not permitted (residential areas); Quiet Zones not permitted all day
Mississauga's Noise Control By-law prohibits amplified sound audible at a residence from 19:00-09:00 and sets Leq limits (e.g., 55 dBA outdoors by day, 50 dBA at night). Construction equipment is generally not permitted 19:00-07:00 (all day Sundays/statutory holidays). See By-law 0360-1979.
Residential quiet hours
19:00-09:00 (amplified sound clearly audible at a residential point of reception)
Weekends & holidays: 19:00-09:00
Decibel limits
55 dBA daytime / 50 dBA night
Measured inside receiving residence.
Construction hours
07:00-19:00 (residential areas; Quiet Zones 07:00-17:00)
Weekends: Sundays/statutory holidays: not permitted (residential areas); Quiet Zones not permitted all day
Lawn equipment
Domestic power tools 19:00-09:00 prohibited (residential areas); Quiet Zones stricter
Includes gas-powered blowers, mowers, trimmers.
Party & music rules
Amplified sound clearly audible at a residence prohibited 19:00-09:00; Quiet Zones prohibit at any time.
Typical fines
Up to $100,000 under the By-law/POA
Escalating penalties for repeat violations.
Noise enforcement & reporting
Call or report via Online 311 (Report Excessive Noise) or Peel Regional Police (non-emergency) for certain matters. Provide dates, times, and source details so dispatchers can prioritise the call. Anonymous complaints are accepted but detailed contact information helps with follow-up.
- Document the issue (record short clips, note times, and track duration for at least two nights if possible).
- Share a polite note with the neighbour or property manager. See the message templates below.
- Submit a complaint via https://www.mississauga.ca/services-and-programs/home-and-yard/noise-and-lighting/report-excessive-noise/ or call Online 311 (Report Excessive Noise) or Peel Regional Police (non-emergency) for certain matters. Ask for the incident number for reference.
- If the noise continues, follow up with enforcement referencing the incident number. Keep your documentation for any tribunal or landlord board filings.
Ready-to-send messages
Neighbour note
Hi - Mississauga limits amplified sound audible at a residence from 7 p.m. to 9 a.m. Could you keep volumes down in the evenings? Thanks!
Landlord / property manager
Hello - We're experiencing noise likely contrary to Mississauga's Noise Control By-law (audible 7 p.m.-9 a.m.). Please remind tenants/contractors; I can share details from my report.
Always confirm with the latest official notices or municipal postings before making plans.
Official bylaw source
Source: Mississauga Noise Control By-law 0360-1979 (as amended, incl. Schedule 2 & 2-A)
This summary reflects updates verified on . Always confirm with the latest municipal notices before acting.
Tips for quieter living
- For Leq limits, note whether measurement was indoors or in an outdoor living area (10-minute Leq).
- Check if a site has an exemption; pilots (e.g., live music areas) have modified hours.
- When reporting, include whether the sound was 'clearly audible' at your property line or indoors.
Frequently asked questions
Answers are summarized from the city bylaw for quick reference. For the full context, follow the official links below.