Construction hours in Spokane, WA — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
Spokane permits construction noise generally 7 AM to 10 PM on weekdays and weekends in residential zones. WAC 173-60 exempts temporary construction activity from EDNA limits during daytime hours.
Under SMC 10.08 and WAC 173-60-050, temporary construction-related sounds are exempt from the Environmental Designation for Noise Abatement (EDNA) daytime limits between 7 AM and 10 PM. Outside of those hours, construction noise must meet nighttime residential limits of 45 dBA, which is impractical for most active construction. Permitted work typically happens 7 AM to 10 PM seven days a week, though publicly funded and public works projects may receive extended-hour variances. Contractors using pile drivers, impact tools, or jackhammers near residential zones may be required to obtain a noise variance from the city. Developers working near schools or hospitals face additional restrictions.
Construction outside permitted hours is a civil infraction; fines typically 250 to 1000 dollars per occurrence. Repeat violators may have permits suspended.
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See how Spokane's construction hours rules stack up against other locations.
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