Quiet hours in Mountain View, CA — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Mountain View prohibits disturbing noise between 10pm and 7am weekdays and 10pm to 8am weekends, with enforcement by police and code enforcement officers.
Mountain View City Code Chapter 21 (Noise Ordinance) restricts loud and unreasonable noise that disturbs residential neighborhoods during designated quiet hours. The standard quiet period runs from 10pm to 7am Monday through Friday, and 10pm to 8am on Saturdays, Sundays, and holidays. Prohibited sounds include loud parties, barking dogs, amplified music, power tools, and vehicle noise audible at neighboring properties. First complaints typically result in a warning; repeat violations carry administrative citations starting around 100 dollars, escalating to 500 dollars or more for continued offenses. The city encourages residents to attempt neighbor-to-neighbor resolution before calling police non-emergency dispatch at (650) 903-6395.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Santa Clara County.
See how other cities in Santa Clara County handle quiet hours.
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