Noise Ordinances in Clark County, WA (2026)
7 rules for unincorporated Clark County, Washington.
Verified from official government sources
Quiet Hours
Unincorporated Clark County has no single fixed "quiet hours," but yelling, shouting, whistling or singing near a street between 10 p.m. and 7 a.m. is a public disturbance noise, and state WAC 173-60 limits drop 10 dBA (to 45 dBA at residences) during those same hours.
Clark County quiet hours and nighttime noise limits
Some RestrictionsWAC 173-60-040(2)(b)
Between the hours of 10:00 p.m. and 7:00 a.m. the noise limitations of the foregoing table shall be reduced by 10 dBA for receiving property within Class A EDNAs.
Construction Hours
In unincorporated Clark County, using lawn mowers, chain saws and other repair or ground-maintenance power equipment is allowed 7:00 a.m. to 10:00 p.m.; outside those hours, frequent engine noise in a residential area is a public disturbance noise.
Clark County construction and power-equipment hours
Some RestrictionsCCC 9.14.010(3)
this subsection shall not apply to the operation of lawn mowers, garden tools, chain saws or other power equipment used for building repair or ground maintenance between the hours of 7:00 a.m. and 10:00 p.m.
Barking Dogs
A dog that barks, bays, cries or howls continuously for 10 minutes, or intermittently for a half hour or more, to the disturbance of any person is a public disturbance noise in unincorporated Clark County, at any time of day or night.
Clark County barking dog noise rule
Some RestrictionsCCC 9.14.010(1)
It shall be deemed a public disturbance noise under this subsection for a dog to bark, bay, cry, howl or make any other noise continuously and/or incessantly for a period of ten (10) minutes or bark intermittently for one-half (1/2) hour or more to the disturbance of any person at any time of day or night.
Leaf Blower Rules
Clark County has no leaf-blower-specific ban. Leaf blowers fall under the ground-maintenance power-equipment exemption: allowed 7:00 a.m. to 10:00 p.m.; frequent use outside those hours in a residential area can be a public disturbance noise.
Clark County leaf blower and power-tool noise
Some RestrictionsCCC 9.14.010(3)
this subsection shall not apply to the operation of lawn mowers, garden tools, chain saws or other power equipment used for building repair or ground maintenance between the hours of 7:00 a.m. and 10:00 p.m.
Amplified Music & Outdoor Sound
Outdoor music, live bands and PA systems fall under Clark County's public disturbance noise rule: loud or raucous amplified sound from a property that frequently or continuously disturbs neighbors is prohibited, and all sound must stay within WAC 173-60 limits.
Clark County outdoor music and live sound
Some RestrictionsCCC 9.14.010(4)
The use of a sound amplifier or other device capable of producing or reproducing amplified sound upon public streets for the purpose of commercial advertising or sales or for attracting the attention of the public to any vehicle, structure, or property or the contents therein between the hours of 8:00 p.m. of one day and 7:00 a.m. of the next day, except for emergency vehicles.
Decibel Limits
Industrial noise reaching a Clark County residence is capped by WAC 173-60-040 at 60 dBA (45 dBA drop does not apply to industrial-zone receivers, but residences get the 10 dBA night cut). Persistent industrial noise disturbing neighbors is also a public disturbance under CCC 9.14.010.
Clark County industrial noise limits
Some RestrictionsCCC 9.14.010
Where applicable, proof of violation of the noise level limitations set out in Chapter 173-60 WAC shall be prima facie evidence of a violation of this section.
Vehicle Noise
Frequent horn honking, and frequent engine noise from starting, operating, repairing or testing motor vehicles in a residential area that disturbs neighbors, are public disturbance noises in unincorporated Clark County. Amplified car stereos audible 50 feet away are also prohibited.
Clark County vehicle noise and exhaust rules
Some RestrictionsCCC 9.14.010(2)
The frequent, repetitive or continuous sounding of any horn or siren attached to a motor vehicle, except as a warning of danger or as specifically permitted or required by law.
All Clark County ordinances
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