Noise Ordinances in Mendocino County, CA (2026)
1 rule for unincorporated Mendocino County, California.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Mendocino County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Decibel Limits
In unincorporated Mendocino County, nighttime noise from a radio, loudspeaker, amplifier, machine or other device that hits a neighboring home and tops 60 dBA constant or 75 dBA intermittent between 10:00 p.m. and 7:00 a.m. is a code violation. The Sheriff's Office and Code Enforcement measure it from the adjacent residential property line with a decibel meter.
Mendocino County Nighttime Noise Decibel Limits
Some RestrictionsMendocino County Code Sec. 8.100.020(C) (Definitions - Disturbance)
"Disturbance" means the playing or operating of any radio, loudspeaker, sound amplifier, or other musical device or instrument, or noise produced by any machine, or device, or by any other means, which impacts any residential property and exceeds sixty (60) dBA, constant or seventy-five (75) dBA intermittent, as measured from an adjacent residential property line using a sound decibel meter, if...
All Mendocino County ordinances
See every category we cover for Mendocino County: parking, noise, fences, fires, animals, pools, and more.
Mendocino County Ordinance Hub →