Quiet hours in Bellevue, WA — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Bellevue enforces quiet hours from 10 PM to 7 AM under BCC 9.18. Residential nighttime limit is 45 dBA, matching WAC 173-60. Sound audible 75 feet from source is a violation.
Bellevue City Code Chapter 9.18 (Noise Control) sets Environmental Designation for Noise Abatement (EDNA) zones mirroring WAC 173-60. In residential EDNA, the maximum permissible sound level from another residential source is 55 dBA daytime (7 AM to 10 PM) and 45 dBA nighttime (10 PM to 7 AM). Sound levels from commercial sources received in residential areas may not exceed 57 dBA day and 47 dBA night. BCC 9.18.040 prohibits noise disturbances at all times: sounds clearly audible across a property boundary or at least 75 feet from the source, including audio equipment, musical instruments, shouting, or party noise. Indoor sleeping area maximum is 45 dBA. Quiet zones designated at Robinsglen Community Park and Lake Hills Greenbelt prohibit sound audible beyond 30 feet. Report violations via MyBellevue app or Bellevue Police non-emergency line (425) 577-5656.
Civil infraction with escalating fines. Continued violations may result in additional citations under BCC 9.18.
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Side-by-side rule comparisons with other cities in King County.
See how other cities in King County handle quiet hours.
See how Bellevue's quiet hours rules stack up against other locations.
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