Hillsboro, OR
Noise Code
The official quiet hours, decibel limits, and enforcement protocols for Hillsboro, OR.
Ordinance Summary
Hillsboro, OR, Municipal Code 6.24 prohibits unauthorized, disturbing, or unnecessary noise, with specific decibel limits varying by zoning district and time of day. Quiet hours are from 9 PM to 6 AM daily, during which lower sound levels apply. Violations are subject to a $500 penalty per day, with additional remedies for ongoing nuisances.
Quiet Hours
9 PM to 6 AM daily
Police Non-Emergency
503-629-0111Decibel Limits
"Limits vary based on the zone of the noise producer and receiver, measured at the property line closest to the sound source using an A-weighted scale. Industrial to Industrial is 70 dBA day and night."
Measure Noise Levels Instantly
Use our free browser-based decibel meter to check if your neighbors are violating the Hillsboro, OR code.
Specific Noise Restrictions
Prohibited between 9 p.m. and 6 a.m. in or adjacent to residential/business districts, unless for urgent public safety with a permit. Industrial, agricultural, or construction activities (other than demolition) are generally exempt between 6 a.m. and 9 p.m. Domestic tools like lawnmowers are allowed 6 a.m. to 9 p.m. Mon-Fri, and 8 a.m. to 6 p.m. Sat-Sun.
Unlawful if noise levels exceed HMC 6.24.030 limits. For outdoor facilities, sound levels at the perimeter must not exceed maximum limits. If authorized by the city manager to exceed limits, amplified sound is restricted to 50 minutes of each hour, four hours of any eight-hour block on weekends, and three hours between 4 p.m. and 9 p.m. on weekdays. Community groups may receive exceptions.
Under Washington County Animal Code 6.04.260(3), it is a Class C Civil Infraction for a dog owner to allow a dog to cause continuous annoyance for a total of five or more minutes out of any fifteen-minute period.
Prohibits sounding a horn except as a danger signal, using exhaust brakes except in emergencies, and operating a motor vehicle that creates loud or unnecessary sounds (grating, grinding, rattling). Working on a car in the street is also prohibited.
Frequently Asked Questions
Quiet Hours?
9 PM to 6 AM daily.
Construction?
Usually limited to daytime hours (e.g. 7am-6pm). Check 'Specific Restrictions' above.
Who to call?
Use Non-Emergency Police: 503-629-0111.
Fines?
Commonly range from $50 to $500 for initial offenses.
Noise Solutions for Hillsboro, OR
SolvedBest Gear for Hillsboro, OR Residents
Ultrasonic Bark Control
Humane deterrent that emits a high-frequency sound when it detects barking.
Loop Quiet Ear Plugs
The "gold standard" for sleeping. Reduces noise by 24dB without the pain of foam plugs.
1/2" Thick Rug Pad
Essential for the "80% Rule." Adds density to rugs to absorb footfall impact noise for downstairs neighbors.
Hemp Calming Chews
Natural relief for dog anxiety. Perfect for separation anxiety barking or fear of fireworks.
ThunderShirt for Dogs
The best solution for anxiety-induced barking (fireworks, thunder, separation).
Marpac Dohm Classic
The original fan-based machine. Unlike digital loops, this creates real rushing air sound.
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