Quiet hours in Downey, CA — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Downey enforces quiet hours from 10 PM to 7 AM in residential zones under Municipal Code Section 4600. Power tools, machinery, and equipment creating disturbing noise are prohibited during these hours.
Downey Municipal Code Section 4600 establishes quiet hours from 10:00 PM to 7:00 AM in residential zones (R-1, R-2, R-3). During these hours, no person shall use or operate any power tool, machine, equipment, radio, musical instrument, or other noise-producing device that disturbs or interferes with the peace, comfort, or welfare of neighboring inhabitants. Motor vehicle repair, rebuilding, or testing within residential areas or within 100 feet of residentially zoned property is also prohibited when it produces disturbing sounds. The 100-decibel prima facie standard applies at all hours.
Violations are misdemeanors. Each day of continued violation is a separate offense. Fines and possible jail time may apply.
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Side-by-side rule comparisons with other cities in Los Angeles County.
See how other cities in Los Angeles County handle quiet hours.
See how Downey's quiet hours rules stack up against other locations.
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