Hillsboro, OR Quiet Hours & Noise Laws [2026]
When are quiet hours in Hillsboro, OR?
| Regulation | Details for Hillsboro, OR |
|---|---|
| Quiet Hours | 9PM-6AM |
| Weekends | Typically same as weekdays |
| Enforcement | Police Non-Emergency: 503-629-0111 |
9 PM to 6 AM daily
Strict noise limits typically apply during these times.
Hillsboro, OR Noise Rules
What is the noise ordinance in Hillsboro, OR?
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.
Decibel Limit Comparison
| Zone Type | Day | Night |
|---|---|---|
| Residential | 60 dBA (All Other to All Other) | 50 dBA (All Other to All Other) |
| Commercial | 60 dBA (All Other to All Other) or 60 dBA (Industrial to All Other) | 50 dBA (All Other to All Other) or 50 dBA (Industrial to All Other) |
Note: 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.
Specific Restrictions
- Construction:
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.
- Amplified Sound:
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.
- Animals:
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.
- Vehicles:
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 about Hillsboro, OR Noise Rules
What are the designated quiet hours in Hillsboro, OR?
9 PM to 6 AM daily. Generally, during these hours, noise should be kept to a minimum to avoid disturbing neighbors.
How loud can I play music in Hillsboro, OR?
Residential areas typically have a limit of 60 dBA (All Other to All Other) during the day and 50 dBA (All Other to All Other) at night. Excessive vibration or bass that is plainly audible at the property line may also be a violation.
Who do I contact to report a noise violation in Hillsboro, OR?
For non-emergency noise complaints, contact the Hillsboro, OR police non-emergency line at 503-629-0111. For ongoing issues like construction or animal noise, you can also contact Code Enforcement at 503-629-0111.