Construction hours in Laguna Niguel, CA — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
LNMC Section 6-6-7(5) exempts construction, repair, remodeling, and grading noise only when it occurs between 7 a.m. and 8 p.m. on weekdays and Saturdays. No construction noise is allowed on Sundays or federal holidays.
Construction is not held to the 55/50 dB(A) numeric limits during permitted hours, but only within a strict window. LNMC Section 6-6-7(5) exempts noise from construction, repair, remodeling, or grading of real property provided the activity does not occur between 8 p.m. and 7 a.m. on weekdays including Saturday, or at any time on Sunday or a federal holiday. Work outside those hours loses the exemption and is judged against the residential noise standards in Section 6-6-5. The city confirms this window on its Code Compliance FAQ (7 a.m.-8 p.m. Monday-Saturday, none Sundays/federal holidays). Public-works and utility work may run later only where the public works director finds an unusual condition (Section 6-6-7(11)). Complaints go to Code Compliance.
Construction noise outside 7 a.m.-8 p.m. Mon-Sat, or any time Sunday/federal holiday, loses its exemption and is a misdemeanor under Section 6-6-15. Report to code@cityoflagunaniguel.org.
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