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Stanislaus County · Building on your lot

Noise and construction hours in Stanislaus County

Stanislaus County's own rules on noise and construction hours, with the code text for every value.

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

What Stanislaus County's code says

Stanislaus County code What Stanislaus County's code adds
Leaf blowers and equipment
  • No power tools 10 p.m.–7 a.m. if heard inside another occupied home; other times, not heard beyond 100 feet.
    Applies: Power tools or equipment.
    § 10.46.060 · code text
    No person shall operate any power tools or equipment between the hours of ten p.m. and seven a.m. such that the power tools or equipment are audible to the human ear inside an inhabited dwelling other than a dwelling in which the power tools or equipment may be located. No person shall operate any power tools or equipment at any other time such that the power tools or equipment are audible to the human ear at a distance greater than one hundred feet from the power tools or equipment.
Quiet hours
  • 10 p.m. to 7 a.m.
    Applies: Car sound systems, power tools and audio equipment that can be heard inside another occupied home.
    § 10.46.060 · code text
    No person shall operate any power tools or equipment between the hours of ten p.m. and seven a.m. such that the power tools or equipment are audible to the human ear inside an inhabited dwelling other than a dwelling in which the power tools or equipment may be located.
Noise limit at homes
  • No more than 50 dB outdoors.
    Applies: Residential zones, 7:00 a.m. to 9:59 p.m. The limit is 5 dB(A) lower for pure tones, speech or music; more is allowed briefly.
    § 10.46.050 · code text
    Residential | 50 | 45
  • No more than 45 dB outdoors.
    Applies: Residential zones, 10:00 p.m. to 6:59 a.m. The limit is 5 dB(A) lower for pure tones, speech or music; more is allowed briefly.
    § 10.46.050 · code text
    Residential | 50 | 45

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What are the noise rules and construction hours in Stanislaus County?

Stanislaus County's code: No more than 50 dB outdoors. (Residential zones, 7:00 a.m. to 9:59 p.m. The limit is 5 dB(A) lower for pure tones, speech or music; more is allowed briefly.) (§ 10.46.050); No more than 45 dB outdoors. (Residential zones, 10:00 p.m. to 6:59 a.m. The limit is 5 dB(A) lower for pure tones, speech or music; more is allowed briefly.) (§ 10.46.050).

General information, not legal advice.

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Stanislaus County Municipal Code — full text