Quiet hours in Beaverton, OR — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Beaverton Code Chapter 5 (Public Nuisances - Noise Control) sets nighttime quiet hours from 10 PM to 7 AM, during which yelling, shouting, whistling, singing, and amplified sound in residential areas is specifically restricted. The city uses a 50 dBA nighttime threshold at the property line of the nearest noise-sensitive property as a primary evaluation factor. Oregon DEQ rules at OAR 340-035 provide the baseline industrial-noise framework (55 dBA day / 50 dBA night).
Beaverton's noise rules sit in Beaverton Code (BC) Chapter 5 (Public Nuisances), which contains a noise-control article prohibiting any loud or raucous noise that unreasonably disturbs the quiet, comfort, or repose of reasonable persons of normal sensibilities. The code identifies specific prohibited acts during nighttime quiet hours (10 PM to 7 AM): yelling, shouting, hooting, whistling, or singing in residential areas; sound-amplification devices audible at the property line; loading or unloading near residences; and engine repair or testing. For numerical evaluation, the city uses 50 dBA at the property line of the nearest noise-sensitive property (residence, school, hospital, church) as a primary factor for nighttime complaints. The state framework under Oregon DEQ at OAR 340-035 sets industrial/commercial noise limits at residential property lines of 55 dBA daytime and 50 dBA nighttime; cities may regulate more strictly. Construction in residential areas or within a defined distance of a noise-sensitive area is limited to roughly 7 AM to 7 PM under the construction-noise provision in BC Chapter 5. Beaverton Police non-emergency dispatch (503-629-0111) is the contact for nighttime noise complaints.
Noise violations under Beaverton Code Chapter 5 are civil infractions enforceable by Beaverton Police and city code compliance, typically with warnings on first contact escalating to civil fines (commonly up to $1,000 per violation, with each day a separate violation). Repeated commercial or amplified-sound violations may trigger business-license review.
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