Quiet hours in El Monte, CA — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
El Monte sets nighttime quiet hours from 10:00 p.m. to 7:00 a.m., with property-line decibel limits that vary by zoning district (El Monte Municipal Code Ch. 8.36).
Under El Monte Municipal Code §8.36.040(A), ambient noise standards apply at the property line. In single-family zones the limit is 50 dBA during the day (7:00 a.m. – 10:00 p.m.) and 45 dBA at night (10:00 p.m. – 7:00 a.m.); multifamily is 55/50 dBA; commercial is 65/60 dBA; industrial is 70 dBA day and night. §8.36.040(B) makes it unlawful to create noise that exceeds the ambient standard by more than 5 dB for a cumulative 15 minutes in any hour. §8.36.040(D) caps interior-zone residential nighttime ambient at 50 dBA when a home sits inside a commercial or industrial zone. §8.36.040(H) imposes a tighter standard near freeways (62 dBA day / 58 dBA night) for residential property within 150 feet of a freeway — relevant near the I-10, I-605, and SR-60 corridors that cross El Monte. §8.36.080 separately prohibits 'noise disturbances,' including parties or gatherings that disturb reasonable persons of normal sensitivity.
Per §8.36.110(B), any violation of Chapter 8.36 is a misdemeanor punishable by a fine up to $500 and/or up to 6 months in county jail, and each day of continuing violation is a separate offense. For large parties, §8.36.100(C) allows the City to recover up to $1,000 per incident in police/emergency response costs from the host after a written or verbal warning, plus attorney's fees.
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Side-by-side rule comparisons with other cities in Los Angeles County.
See how other cities in Los Angeles County handle quiet hours.
See how El Monte's quiet hours rules stack up against other locations.
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