Construction hours in Chino Hills, CA — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
Chino Hills Municipal Code Section 8.08.020 limits construction, demolition, and grading to 7:00 a.m.-7:00 p.m. weekdays and 8:00 a.m.-6:00 p.m. Saturdays, with none on Sundays or federal holidays. Homeowners doing their own work get extended evening/Sunday hours only if the noise can't be heard past the property line.
The City of Chino Hills regulates construction noise directly in Municipal Code Section 8.08.020(A). Except when necessary for immediate preservation of life, health, or property, no person may construct, repair, remodel, demolish, or grade real property at any time other than 7:00 a.m. to 7:00 p.m. on weekdays and 8:00 a.m. to 6:00 p.m. on Saturdays, excluding federal holidays. There are no permitted contractor construction hours on Sundays or federal holidays. The code carves out a narrow exception for an individual residential property owner or tenant doing their own work: they may also work 7:00 p.m. to 10:00 p.m. on weekdays, 6:00 p.m. to 10:00 p.m. on Saturdays, and 8:00 a.m. to 10:00 p.m. on Sundays and federal holidays, but only if the noise cannot be heard by a reasonable person beyond the property's boundary lines. The chapter defines 'federal holiday' to include New Year's Day, Memorial Day, Independence Day, Labor Day, Veterans Day, Thanksgiving, and Christmas. These are the City of Chino Hills' own hours, not San Bernardino County's. Construction noise compliant with Section 8.08.020 is exempt from the development-code noise standard under Section 16.48.020(B).
A violation of Section 8.08.020 is an infraction punishable under Section 1.36.030 of the code, and is also deemed a public nuisance subject to abatement under the Municipal Code and state law.
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