Noise Ordinances in Guilford County, NC (2026)
8 county-level rules, plus city-specific rules for 2 cities in Guilford County, North Carolina.
Verified from official government sources
Quiet Hours
In unincorporated Guilford County, NC, noise ordinance Sec. 11-8 bans unreasonably loud, disturbing, annoying or unnecessary noise at any hour. It singles out 11:00 p.m. to 7:00 a.m. for amplified sound, when music audible 30 feet past your property line is presumed illegal.
Guilford County Quiet Hours & Nighttime Noise
Some RestrictionsGuilford County Code Sec. 11-8(b)(2)
The playing of any radio, television set, record player, stereo or other sound reproduction system... particularly but not limited to the hours between 11:00 p.m. and 7:00 a.m. as to be an unreasonably loud, annoying, disturbing or unnecessary manner as defined above.
Construction Hours
Guilford County's general noise ordinance treats government street construction as exempt from its 'unreasonably loud' standard only when equipment meets manufacturer noise specifications, and it caps blasting and pile driving on those street projects to 7:00 a.m. to 10:00 p.m., Monday through Saturday. Outside that window, or on Sundays, blasting and pile driving on a county or state road project lose the Sec. 11-8(d)(2) exemption and become an enforceable noise violation.
Construction Noise Hours in Guilford County
Some RestrictionsGuilford County Code § 11-8(d)(2)
Any street construction activity performed by, or on behalf of, a government agency on streets designated on the then current thoroughfare plan as adopted county or state; provided that all equipment is operated in accordance with the manufacturer's specifications and is equipped with all legally required noise-reducing devices in proper operating condition. Blasting and pile driving on street ...
Barking Dogs
Guilford County's noise ordinance lists a dog or bird whose frequent or long-continued noise disturbs a neighbor's comfort as an unlawful disturbing noise. A first citation costs $200, a second within a year costs $400, and any further violation within that year costs $500, on top of possible criminal prosecution.
Barking Dog Noise Rules in Guilford County
Some RestrictionsGuilford County Code § 11-8(b)(4)
Sec. 11-8(b). The following acts are declared to be loud, disturbing, annoying and unnecessary noises in violation of this section... (4) Animals. The keeping of any animal or bird, which by causing frequent or long continued noise, shall disturb the comfort and repose of any person in the vicinity. (c) Enforcement... (2) Issue a citation subjecting a violator to a civil penalty of two hundred ...
Leaf Blower Rules
Guilford County has no leaf-blower-specific ban or hour rule. A gas leaf blower is judged under the general Sec. 11-8 standard: if it makes unreasonably loud, disturbing or unnecessary noise given the time and neighborhood, it can be a violation. Cities may impose stricter limits.
Leaf Blower Noise in Guilford County
Some RestrictionsGuilford County Code Sec. 11-8 (definitions)
Unnecessary. Any excessive or unusually loud sound... as to disturb the peace and quiet of any neighborhood... and being a type of sound which could be lessened or otherwise controlled by the maker without unduly restricting his conduct.
Amplified Music & Outdoor Sound
Outdoor music in unincorporated Guilford County falls under Sec. 11-8. Using a loudspeaker to attract attention to a show, sale or event is a declared violation, and venue amplified sound heard 30 feet past the property line is presumed illegal from 11:00 p.m. to 7:00 a.m.
Outdoor Music & Amplified Events in Guilford County
Some RestrictionsGuilford County Code Sec. 11-8(b)(11)
The use of any mechanical loudspeakers or other mechanically amplified device within or from any commercial establishment or private entertainment or recreational venue is presumed to be unreasonably loud... if the sound... may be heard at a distance from thirty (30) feet or more of the facility's property line, between the hours of 11:00 p.m. and 7:00 a.m.
Aircraft Noise
Guilford County's noise ordinance does not reach aircraft. Sec. 11-8(d)(4) exempts 'noise originating from aircraft or from any activities conducted upon property of the Piedmont Triad Airport Authority' from the county's general ban on unreasonably loud, disturbing or unnecessary noise, so residents near Piedmont Triad International Airport cannot use the county noise code to cite airport or flight operations.
Aircraft Noise Exemption in Guilford County
Few RestrictionsGuilford County Code § 11-8(a), (d)(4)
In determining whether a noise is unreasonably loud, annoying, disturbing, or unnecessary, the following factors incident to such noise are to be considered: time of day; proximity to residential structures; whether the noise is recurrent, intermittent or constant; the volume and intensity; whether the noise has been enhanced in volume or range by any type of electronic or mechanical means; the...
Decibel Limits
Guilford County's noise ordinance, Code Sec. 11-8, does not set a decibel-meter threshold; instead it bans any 'unreasonably loud, disturbing, annoying or unnecessary' sound in the unincorporated county and specifically calls out mechanical equipment operated by compressed air that isn't properly muffled. Violators face a written warning, then escalating civil penalties running from $200 to $500 per repeat offense within a year.
Guilford County Equipment & Mechanical Noise Limits
Some RestrictionsGuilford County Code § 11-8(a), (b)(8), (c)(2)
(a) Subject to the provisions of this section, it shall be unlawful for any person, persons, or business entity to make, permit, continue, or cause to be made, any unreasonably loud, disturbing, annoying or unnecessary noise in the unincorporated areas of the county... (b) The following acts are declared to be loud, disturbing, annoying and unnecessary noises in violation of this section, but t...
Vehicle Noise
Guilford County Code Sec. 11-8 bans loud car stereos, blaring horns, screeching tires and defective exhaust. A vehicle sound system is presumed illegal if audible or felt 30 feet or more away, and exhaust must pass through a muffler that prevents unnecessary noise.
Vehicle Noise Rules in Guilford County
Some RestrictionsGuilford County Code Sec. 11-8(b)(3)
A presumption is created that the sound thus created is unreasonably loud, annoying, disturbing and unnecessary if the sound generated or noise vibration therefrom is audible or can be felt at a distance of thirty (30) feet or more from the... device that is producing the sound.
Noise Ordinances by City in Guilford County
2 cities in Guilford County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
All Guilford County ordinances
See every category we cover for Guilford County: parking, noise, fences, fires, animals, pools, and more.
Guilford County Ordinance Hub →