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Walnut · Building on your lot

Noise and construction hours in Walnut

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

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

What Walnut's code says

Walnut code What Walnut's code adds
Construction hours on weekdays
  • 7:00 a.m. to 8:00 p.m.
    Applies: Weekdays; tools and equipment for construction, repair, demolition or earthwork; listed exceptions apply.
    § 3.40.030 · code text
    Operating or causing the operation of any tools, equipment, impact devices, derricks or hoists used in construction, drilling, repair, alteration, demolition or earthwork, between the weekday hours of 8:00 p.m. and 7:00 a.m. the following day
Construction hours on weekends and holidays
  • Not allowed at any time on Saturdays, Sundays or holidays.
    Applies: Tools and equipment for construction, repair, demolition or earthwork; listed exceptions apply.
    § 3.40.030 · code text
    or at any time on Saturdays, Sundays or holidays
Leaf blowers and equipment
  • No machines that clean, cut, blow, vacuum or sweep grass, leaves or debris from 8:00 p.m. to 7:00 a.m. daily.
    § 3.40.030 · code text
    The use or operation of any mechanized machine or equipment used to clean, cut, blow, vacuum, or sweep grass, leaves, dirt and other debris off sidewalks, driveways, lawns and other surfaces shall not be allowed between the hours of 8:00 p.m. and 7:00 a.m. daily.
Quiet hours
  • 10:00 p.m. to 7:00 a.m.
    Applies: Radios, instruments, TVs or similar devices plainly audible from 50 feet or more.
    § 3.40.030 · code text
    Using, operating or permitting to be played, used or operated between the hours of 10:00 p.m. and 7:00 a.m. of any radio, musical instrument, phonograph, television, or similar instrument or device
Noise limit at homes
  • No more than 45 dB.
    Applies: Outdoor noise received at homes, 10:00 p.m. to 7:00 a.m.
    § 3.40.050 · code text
    Residential properties | 22:00—07:00 | 45 dB
  • No more than 50 dB.
    Applies: Outdoor noise received at homes, 7:00 a.m. to 10:00 p.m.
    § 3.40.050 · code text
    Residential properties | 07:00—22:00 | 50 dB

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What are the noise rules and construction hours in Walnut?

Walnut's code: 7:00 a.m. to 8:00 p.m. (Weekdays; tools and equipment for construction, repair, demolition or earthwork; listed exceptions apply.) (§ 3.40.030); No more than 45 dB. (Outdoor noise received at homes, 10:00 p.m. to 7:00 a.m.) (§ 3.40.050).

General information, not legal advice.

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Ask GoCodebook how Walnut's noise and construction hours rules apply to your situation and get an answer that cites the section.

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