Construction hours in Whittier, CA — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
The City of Whittier limits building erection, demolition, grading, blasting, heavy equipment, and jackhammer use to weekdays 7 a.m. to 6 p.m. and Saturdays 8 a.m. to 5 p.m. No such construction is allowed on Sundays. Owner-resident additions or remodeling are excluded, and the city manager may waive the limits.
Whittier Municipal Code 8.32.040(L) addresses construction noise. It declares it unlawful to engage in the erection or demolition of buildings, the grading and excavation of land (including blasting), the start-up and use of heavy equipment such as dump trucks and graders, and the use of jackhammers, except on weekdays between 7 a.m. and 6 p.m. and on Saturdays between 8 a.m. and 5 p.m. Because no Sunday window is listed, this construction activity is effectively prohibited on Sundays (and outside the listed weekday/Saturday hours). The subsection expressly excludes owner-resident additions or remodeling from the restriction. WMC 8.32.080(I) reinforces that permitted construction during daytime hours is exempt from the noise-level provisions. The city manager may waive any or all of these provisions in cases of urgent necessity or in the interest of public health and safety, and the limits may also be waived or modified through a conditional use permit or other development entitlement. Note that Whittier's hours differ from many neighboring jurisdictions; the unincorporated Los Angeles County areas around Whittier are governed by the separate Los Angeles County Code, not by Whittier's ordinance.
Construction outside the permitted hours is a Chapter 8.32 violation, enforced by Whittier Code Enforcement and Police. Violations are a public nuisance the City may abate (WMC 8.32.150) and are punished as prescribed in WMC 1.08.010. The city manager can grant waivers for urgent work.
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