Noise Ordinances in Lynnwood, WA (2026)
8 verified noise ordinances for Lynnwood, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Lynnwood, Washington enforces a 10:00 p.m. to 7:00 a.m. noise curfew: LMC 10.12.300(B)(7) bans yelling, shouting or singing that disturbs residents during those hours, and LMC 10.12.500(B)(1) automatically cuts the citywide maximum permissible noise level by 10 dBA overnight for residential (Class A) receiving property.
Lynnwood Nighttime Noise Curfew, 10 PM-7 AM
Some RestrictionsLynnwood Municipal Code § 10.12.300(B)(7), § 10.12.500(B)(1)
7. Yelling, shouting, hooting, whistling or singing, particularly between the hours of 10:00 p.m. and 7:00 a.m. or at any time and place so as to disturb the quiet, comfort and repose of any person in any hospital, rest home, sanitarium, dwelling, hotel, motel or other type of residence; ... 1. Between the hours of 10:00 p.m. and 7:00 a.m. the noise limitations of the foregoing table shall be r...
Construction Hours
Lynnwood confines construction noise, including excavation, demolition, alteration or repair of buildings, to 7:00 a.m. to 6:00 p.m. on weekdays in residential, apartment, hotel and business districts. Work outside that window needs prior mayor's-office approval for urgent public-safety necessity, and violations are a misdemeanor.
Lynnwood Construction Noise Hours
Some RestrictionsLynnwood Municipal Code § 10.12.300(B)(13)
The erection, including excavation, demolition, alteration or repair of any building, in a residential, apartment, hotel or business district other than between the hours of 7:00 a.m. and 6:00 p.m. on weekdays, except in case of urgent necessity in the interest of public safety and convenience, and then only under approval from the office of the mayor. Said weekend work approval to be submitted...
Barking Dogs
Lynnwood, Washington makes it a noise disturbance to own, keep, possess or harbor an animal that frequently or habitually howls, barks or makes other noise, under LMC 10.12.300(B)(8). The rule expressly reaches animal pounds and other facilities that hold or treat animals, not just private pet owners.
Lynnwood Barking Dog Noise Disturbance Rule
Some RestrictionsLynnwood Municipal Code § 10.12.300(B)(8)
8. Owning, keeping, possessing, or harboring any animal which by frequent or habitual howling, barking, or other noisemaking, causes noise disturbance. The provisions of this section shall also apply to all private or public facilities, including any animal pounds, which hold or treat animals;
Leaf Blower Rules
Lynnwood, Washington bars leaf blowers, saws, drills and other powered lawn and garden equipment used outdoors in residential areas between 10:00 p.m. and 7:00 a.m. under LMC 10.12.300(B)(10). A violation crossing a residential property line during those hours is a noise disturbance and a misdemeanor under city code.
Lynnwood Leaf Blower and Power Tool Hours
Some RestrictionsLynnwood Municipal Code § 10.12.300(B)(10)
10. Operating or permitting the operation of any mechanically powered saw, drill, sander, grinder, lawn or garden tool, or fan or blower, or similar device used outdoors in residential areas between the hours of 10:00 p.m. and 7:00 a.m. the following day so as to cause a noise disturbance across a residential real property boundary;
Amplified Music & Outdoor Sound
Lynnwood bans loudspeakers and amplifiers outright in residential-zoned districts under LMC 10.12.300(D). Anywhere else, projecting amplified sound above ambient level beyond the property line requires a permit from the mayor's office, which can restrict the time, area and volume allowed.
Lynnwood Amplified Sound Rules
Significant RestrictionsLynnwood Municipal Code § 10.12.300(D)
The reasonable use of loudspeaker or amplifier is permitted; provided, that no loudspeaker or amplifier shall be used in residential-zoned districts; and provided, that no person shall use any loudspeaker, amplifier, or similar device which shall project sound above the ambient level beyond the property lines of the premises upon which it is being used without first obtaining a permit from the ...
Aircraft Noise
Lynnwood exempts aircraft noise from its environmental noise limits. Sounds from aircraft in flight and airport sounds directly tied to flight operations are fully exempt under LMC 10.12.500(F)(2), while ground engine testing and maintenance is exempt only between 7 a.m. and 10 p.m.
Lynnwood Aircraft Noise Exemption
Few RestrictionsLynnwood Municipal Code § 10.12.500(C)(3) and § 10.12.500(F)(2)
Sounds created by aircraft engine testing and maintenance not related to flight operation; provided, that aircraft testing and maintenance shall be conducted at remote sites whenever possible; ... Sounds originating from aircraft in flight and sounds that originate at airports which are directly related to flight operations;
Decibel Limits
Lynnwood caps environmental noise at the receiving property line using an EDNA classification system: 55 to 70 dBA depending on the noise source's and receiving property's class under LMC 10.12.500's Table I. Nighttime limits drop 10 dBA for Class A (residential) receiving property between 10 p.m. and 7 a.m.
Lynnwood Noise Decibel Limits
Some RestrictionsLynnwood Municipal Code § 10.12.500(A), Table I, and § 10.12.500(B)(1)
No person shall cause or permit noise to intrude into the property of another person which noise exceeds the maximum permissible noise levels set forth in this section, with the point of measurement being at the property boundary of the receiving property or anywhere within. ... | EDNA of Noise Source | EDNA of Receiving Property | ... | Class A | Class B | Class C | ... | Class A | 55 dBA | 57...
Vehicle Noise
Lynnwood, Washington requires every motor vehicle exhaust to run through a working muffler and bans stereo or radio noise loud enough to be heard 50 feet from the vehicle, under LMC 10.12.300(B)(4) and (B)(9). Motor vehicles must also stay under separate decibel ceilings set in LMC 10.12.600's sound-level tables.
Lynnwood Vehicle Muffler and Stereo Noise Rules
Some RestrictionsLynnwood Municipal Code § 10.12.300(B)(4), (B)(9)
4. To discharge into the open air the exhaust of any steam engine, stationary internal combustion engine or motor vehicle, except through a muffler or other device which will effectively reduce loud or explosive noises therefrom; ... 9. The use, operation, or permitting to be used, played or operated any radio receiving set, musical instrument, phonograph, or other machine or device for the pro...
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