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Noise Regulations in Portland Oregon: Difference between revisions

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Created page with "==Daytime hours (7 a.m. to 10 p.m.) == ===Home equipment:=== '''Indoors:''' Sound must not exceed 60 dBA when measured at the lot line. '''Outdoors:''' Lawnmowers, riding tractors, and small garden tools: Must not exceed 80 dBA, measured at 25 feet or the lot line, whichever is further. '''General sound:''' No specific general limit is provided for daytime hours, but the code states that sound shall not "injure or endanger the safety or health of humans; or annoy or di..."
 
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==Daytime hours (7 a.m. to 10 p.m.) ==
==Maximum Permissible Sound Levels==
===Home equipment:===
The general sound levels in Portland, as measured at the property line of the receiving property, are as follows:
'''Indoors:''' Sound must not exceed 60 dBA when measured at the lot line.


'''Outdoors:''' Lawnmowers, riding tractors, and small garden tools: Must not exceed 80 dBA, measured at 25 feet or the lot line, whichever is further.
{|
 
|Source Zone
'''General sound:''' No specific general limit is provided for daytime hours, but the code states that sound shall not "injure or endanger the safety or health of humans; or annoy or disturb a reasonable person of normal sensitivities".  
|Receiver Zone
==Nighttime hours (10 p.m. to 7 a.m.) ==
|Day Hours (7 a.m. - 10 p.m.)
'''General rule:''' No excessive noise is allowed.
|Night Hours (10 p.m. - 7 a.m.)
 
|-
'''Specifics:''' The code refers to the limits specified in Section 18.10.010 for this time period.
|Residential
 
|Residential
'''Amplified sound:''' Sound from devices like speakers is not allowed to be "plainly audible" inside a dwelling unit during these hours.
|55 dBA
==Other considerations==
|50 dBA*
'''Impulsive sound:''' Peak sound pressure levels cannot exceed 100 dB during the day and 80 dB at night, according to Noise Free America.
|-
 
|Commercial
'''Land use zones:''' Limits can vary based on the zone (residential, commercial, industrial). For instance, the standard is 65 dBA for a commercial/mixed-use zone and 70 dBA for an employment or industrial zone when measured at the lot line of a dwelling unit, as stated in City of Portland, Oregon code.
|Residential
'''Enforcement:''' The city's noise code (Title 18) is used to address a wide range of issues, including those from amplified sound, commercial and industrial operations, home equipment, and construction.
|60 dBA
 
|55 dBA*
'''Leaf blowers:''' There are separate regulations for leaf blowers that are not covered under the general home equipment rules.
|-
|Industrial
|Residential
|65 dBA
|60 dBA*
|}

Latest revision as of 21:07, November 3, 2025

Maximum Permissible Sound Levels

The general sound levels in Portland, as measured at the property line of the receiving property, are as follows:

Source Zone Receiver Zone Day Hours (7 a.m. - 10 p.m.) Night Hours (10 p.m. - 7 a.m.)
Residential Residential 55 dBA 50 dBA*
Commercial Residential 60 dBA 55 dBA*
Industrial Residential 65 dBA 60 dBA*
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