Quiet hours in Lynnwood, WA — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Lynnwood noise regulations are governed by LMC Ch. 10.12, which adopts WAC 173-60 Environmental Designation for Noise Abatement (EDNA) standards. Quiet hours apply between 10 p.m. and 7 a.m., during which noise limits for residential (Class A EDNA) areas are reduced by 10 dBA. Yelling, shouting, or loud singing between 10 p.m. and 7 a.m. is prohibited (LMC §10.12.300).
Lynnwood's noise ordinance establishes designated quiet hours during which noise that disturbs the peace and comfort of neighboring residents is prohibited. Weekday quiet hours run from 10:00 PM to 7:00 AM, and weekend/holiday hours extend from 10:00 PM to 8:00 AM. The ordinance applies to all within city limits of Lynnwood, covering amplified music, gatherings, power equipment, barking dogs, and other sources. Enforcement is complaint-driven through the Lynnwood Police Department or code enforcement division. Pacific Northwest climate and density patterns influence typical noise complaint volumes.
Quiet-hours violations are infractions with fines of $100 for a first offense, $250 for a second offense within 12 months, and up to $500 for subsequent offenses. Repeat violations may result in misdemeanor charges.
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Side-by-side rule comparisons with other cities in Snohomish County.
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