Noise Ordinances in Lewis County, WA (2026)
5 rules for unincorporated Lewis County, Washington.
Verified from official government sources
Quiet Hours
Unincorporated Lewis County bars public disturbance noise between 10:00 p.m. and 7:00 a.m. under LCC § 1.23.030, covering vehicle horns, yelling, shouting and building noise that unreasonably disturbs neighbors' peace and repose. The Sheriff's Office and code enforcement issue civil infractions that escalate from $50 to a criminal misdemeanor on a third offense.
Lewis County Nighttime Noise Curfew Rules
Some RestrictionsLewis County Code § 1.23.030(1), (1)(c)
It is unlawful for any person to cause or, for any person in possession of property, to allow to originate from the property sound that is a public disturbance which unreasonably disturbs or interferes with the peace, comfort and repose of other property owners or possessors. The following sources of sound when they unreasonably disturb or interfere with the peace, comfort and repose of propert...
Construction Hours
Unincorporated Lewis County exempts construction noise from its public disturbance rule only between 7:00 a.m. and 10:00 p.m. under LCC § 1.23.030(2)(h); sounds from a temporary construction site outside that window can be cited as a public disturbance noise violation.
Lewis County Construction Noise Hours Rule
Some RestrictionsLewis County Code § 1.23.030(2)(h)
The provisions of subsection (1) of this section shall not apply to: ... Sounds originating between the hours of 7:00 a.m. and 10:00 p.m. from ... temporary construction sites as a result of construction activity;
Barking Dogs
Lewis County holds an owner strictly liable if their animal habitually barks, howls or makes noise that disturbs the peace to an unreasonable degree, under Lewis County Code § 6.05.020. Noise counts as habitual when it runs 30 minutes or more between 9:00 p.m. and 7:00 a.m. and is audible inside a neighbor's home in unincorporated Lewis County.
Lewis County Barking Dog Nuisance Rule
Some RestrictionsLewis County Code § 6.05.020
An owner or keeper of any animal shall be strictly liable if he or she permits that animal to: ... Habitually bark, howl, yelp, or make any other noise which disturbs the peace and quiet of any person to an unreasonable degree within Lewis County. In addition to its ordinary meaning, an animal is habitually making noise which disturbs the peace and quiet of any person to an unreasonable degree ...
Amplified Music & Outdoor Sound
Unincorporated Lewis County restricts amplified sound from buildings, band sessions and audio systems to daytime hours: sound heard from the public roadway between 10:00 p.m. and 7:00 a.m. is a prohibited public disturbance under LCC § 1.23.030(1)(d), enforced without any decibel test.
Lewis County Amplified Sound Time Limit Rule
Some RestrictionsLewis County Code § 1.23.030(1)(d)
The creation of frequent, repetitive or continuous sounds which emanate from any building, structure, apartment or condominium, such as sounds from audio sound systems, band sessions or social gatherings that can be heard from the public roadway, between the hours of 10:00 p.m. and 7:00 a.m.;
Vehicle Noise
In unincorporated Lewis County, Chapter 10.27 bans compression brake ("Jake brake") use between 10:00 p.m. and 6:00 a.m. within board-designated residential areas, currently Gore Road from La Due Cemetery Road to Leonard Road. The Board of County Commissioners found compression brake noise there a public nuisance. Violation is a misdemeanor under RCW 9A.20.021(3), unless the brakes were used in a genuine emergency.
Compression Brake Noise Ban in Lewis County
Some RestrictionsLewis County Code §§ 10.27.010, 10.27.040, 10.27.060
It is hereby declared by board of county commissioners, that the use of compression brakes in some residential areas within the corporate limits of Lewis County disturbs the peace and quiet ... Between the hours of 10:00 pm and 6:00 am Pacific Time, on each and every day of the year, the use of compression brakes in the following designated areas within the corporate limits of Lewis County is p...
All Lewis County ordinances
See every category we cover for Lewis County: parking, noise, fences, fires, animals, pools, and more.
Lewis County Ordinance Hub →