Construction hours in Nampa, ID — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
Nampa has no separate construction-hours ordinance. Construction noise is governed by the general noise chapter: loud or offensive noise is prohibited from 11:00 p.m. to 7:00 a.m. Work outside that window during prohibited hours requires a special permit from the building department or city engineer.
Nampa does not maintain a standalone construction-hours ordinance with its own daytime work window. Instead, construction noise falls under Title 6, Chapter 7 (Public Noise Disturbance). Section 6-7-3 prohibits loud or offensive noise between 11:00 p.m. and 7:00 a.m. that disturbs a reasonable person, which effectively allows construction noise during the daytime and evening (roughly 7:00 a.m. to 11:00 p.m.) so long as it is not otherwise an unlawful disturbance. The chapter directly addresses overnight construction through an exception: section 6-7-5(I), added by Ordinance 4150, exempts sounds caused by construction during the period prohibited by 6-7-3 when the work is performed pursuant to a special permit approved by the building department or the city engineer. In other words, contractors who need to run noisy equipment between 11:00 p.m. and 7:00 a.m. must obtain that special permit; otherwise the standard 11:00 p.m. to 7:00 a.m. quiet window applies to construction just as it does to other noise sources. Violations are charged under 6-7-6 as infractions.
Construction noise during prohibited hours (11:00 p.m. to 7:00 a.m.) without a special permit is an infraction under 6-7-6; a third violation within a year becomes a misdemeanor.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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