1 county-level rule, plus city-specific rules for 2 cities in Hillsborough County, New Hampshire.
Verified from official government sources
Hillsborough County has no county-level noise ordinance. New Hampshire counties have no operational regulatory authority over municipal nuisance matters - cities and towns regulate under RSA 31:39 (town bylaws) and RSA 47:17 (city bylaws). Statewide, RSA 644:2, III(a) makes it disorderly conduct to make 'loud or unreasonable noises in a public place' that would disturb a person of average sensibilities. Local quiet hours vary by municipality - Manchester (Chapter 94) and Nashua (Chapter 201) each set their own nighttime limits.
2 cities in Hillsborough County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
See every category we cover for Hillsborough County — parking, noise, fences, fires, animals, pools, and more.
Hillsborough County Ordinance Hub →