Quiet hours in Orange County, NC — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Orange County's unincorporated noise ordinance caps residential sound at 55 dBA daytime and 50 dBA at night. Chapel Hill's own code is stricter at 50/45 dBA, backed by an aggressive student-party enforcement regime near UNC.
Three layers apply in Orange County. The county ordinance governs unincorporated land like Cedar Grove and Efland, limiting residential sound to 55 dBA daytime (7 a.m. to 10 p.m.) and 50 dBA at night. Chapel Hill, Carrboro, and Hillsborough run their own codes; Chapel Hill's Sec. 11-39 sets a 50 dBA daytime and 45 dBA nighttime residential ceiling measured at the property line, with nighttime beginning at 11 p.m. on weekdays and midnight on weekends. Enforcement is heaviest near campus, where loud parties draw police and nuisance-party citations. N.C.G.S. §153A-133 authorizes the county ordinance; cities act under §160A-184.
Chapel Hill noise citations commonly run $100 to $500 with escalating repeat fines. A nuisance-party or disorderly-conduct charge under N.C.G.S. §14-288.4 is a Class 2 misdemeanor.
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See how Orange County's quiet hours rules stack up against other locations.
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