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Union City · Building on your lot

Noise and construction hours in Union City

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

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

What Union City's code says

Union City code What Union City's code adds
Construction hours on weekdays
  • 8 a.m. to 8 p.m.
    Applies: Monday through Friday, permitted work; each machine at most 83 dBA at 25 feet, or at most 86 dBA outside the property.
    § 9.40.053 · code text
    between the hours of eight a.m. and eight p.m. daily except Saturday
Construction hours on weekends and holidays
  • 9 a.m. to 8 p.m.
    Applies: Saturday, permitted work; each machine at most 83 dBA at 25 feet, or at most 86 dBA outside the property.
    § 9.40.053 · code text
    Saturday, when the exemption herein shall apply between nine a.m. and eight p.m.
  • 10 a.m. to 6 p.m.
    Applies: Sundays and holidays, permitted work; each machine at most 83 dBA at 25 feet, or at most 86 dBA outside the property.
    § 9.40.053 · code text
    Sundays and holidays, when the exemption herein shall apply between ten a.m. and six p.m.
Noise limit at homes
  • No more than 10 dBA above the local ambient.
    Applies: Noise from machines, animals or devices on residential property, measured outside the property.
    § 9.40.041 · code text
    No person shall produce, suffer or allow to be produced by any machine, animal or device, or any combination of same, on residential property, a noise level more than 10 dBA above the local ambient at any point outside of the property plane.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What are the noise rules and construction hours in Union City?

Union City's code: 8 a.m. to 8 p.m. (Monday through Friday, permitted work; each machine at most 83 dBA at 25 feet, or at most 86 dBA outside the property.) (§ 9.40.053); No more than 10 dBA above the local ambient. (Noise from machines, animals or devices on residential property, measured outside the property.) (§ 9.40.041).

General information, not legal advice.

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

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