Noise and construction hours in Ontario: the local rules

Each rule below links to the section of the Ontario Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Ontario's code says

Ontario code What Ontario's code adds
Construction hours on weekdays	7:00 a.m. to 6:00 p.m. Applies: Weekdays; construction tools whose loud noise disturbs people nearby; work within noise limits and city-authorized emergency work are exempt. § 5-29.09 · code text No person, while engaged in construction, remodeling, digging, grading, demolition or any other related building activity, shall operate any tool, equipment or machine in a manner that produces loud noise that disturbs a person of normal sensitivity who works or resides in the vicinity, or a Police or Code Enforcement Officer, on any weekday except between the hours of 7:00 a.m. and 6:00 p.m. or on Saturday or Sunday between the hours of 9:00 a.m. and 6:00 p.m.
Construction hours on weekends and holidays	9:00 a.m. to 6:00 p.m. Applies: Saturdays and Sundays; construction tools whose loud noise disturbs people nearby; work within noise limits and city-authorized emergency work are exempt. § 5-29.09 · code text No person, while engaged in construction, remodeling, digging, grading, demolition or any other related building activity, shall operate any tool, equipment or machine in a manner that produces loud noise that disturbs a person of normal sensitivity who works or resides in the vicinity, or a Police or Code Enforcement Officer, on any weekday except between the hours of 7:00 a.m. and 6:00 p.m. or on Saturday or Sunday between the hours of 9:00 a.m. and 6:00 p.m.
Noise limit at homes	No more than 65 dBA. Applies: Single-family homes (Noise Zone I), 7 a.m. to 10 p.m.; any 15-minute period, measured on the affected property. § 5-29.04 · code text \| I \| Single-Family Residential \| 65 dBA \| 45 dBA \| No more than 45 dBA. Applies: Single-family homes (Noise Zone I), 10 p.m. to 7 a.m.; any 15-minute period, measured on the affected property. § 5-29.04 · code text \| I \| Single-Family Residential \| 65 dBA \| 45 dBA \| No more than 65 dBA. Applies: Multifamily homes and mobile home parks (Noise Zone II), 7 a.m. to 10 p.m.; any 15-minute period. § 5-29.04 · code text \| II \| Multi-Family Residential, Mobile Home Parks \| 65 dBA \| 50 dBA \| No more than 50 dBA. Applies: Multifamily homes and mobile home parks (Noise Zone II), 10 p.m. to 7 a.m.; any 15-minute period. § 5-29.04 · code text \| II \| Multi-Family Residential, Mobile Home Parks \| 65 dBA \| 50 dBA \| No more than 70 dBA. Applies: Homes in mixed use, or within 100 feet of a commercial use for its noise (Zone IV), 7 a.m. to 10 p.m.; any 15-minute period. § 5-29.04 · code text \| IV \| Residential Portion of Mixed Use \| 70 dBA \| 70 dBA \| No more than 70 dBA. Applies: Homes in mixed use, or within 100 feet of a commercial use for its noise (Zone IV), 10 p.m. to 7 a.m.; any 15-minute period. § 5-29.04 · code text \| IV \| Residential Portion of Mixed Use \| 70 dBA \| 70 dBA \|

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Frequently asked questions

What are the noise rules and construction hours in Ontario?

Ontario's code: 7:00 a.m. to 6:00 p.m. (Weekdays; construction tools whose loud noise disturbs people nearby; work within noise limits and city-authorized emergency work are exempt.) (§ 5-29.09); No more than 65 dBA. (Single-family homes (Noise Zone I), 7 a.m. to 10 p.m.; any 15-minute period, measured on the affected property.) (§ 5-29.04).

Noise and construction hours in Ontario

What Ontario's code says

Who this affects

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