Noise Ordinances in Monterey Park, CA (2026)
6 verified noise ordinances for Monterey Park, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
In the City of Monterey Park, 'nighttime' runs from ten p.m. to seven a.m. and 'daytime' from seven a.m. to ten p.m. under Municipal Code Section 4.50.020. During those nighttime hours, sound reaching a residential property cannot exceed 50 dBA, five decibels quieter than the 55 dBA daytime ceiling set by Section 4.50.080.
Monterey Park Nighttime Noise Limit
Some RestrictionsMonterey Park Municipal Code §§ 4.50.020, 4.50.080(a)
"Daytime"means a time period between seven a.m. and ten p.m. ... "Nighttime"means the time period between ten p.m. and seven a.m. ... (a) It is unlawful for a source of sound to exceed the noise level limits identified in this section. Sound level limits include the actual measured median ambient noise level or the following presumed ambient noise level, whichever is greater: Land Use Time Peri...
Construction Hours
In the City of Monterey Park, Section 4.50.100(a) allows construction noise only between seven a.m. and seven p.m. Monday through Friday, and between nine a.m. and six p.m. on Saturdays, Sundays and holidays, exempting job sites from the chapter's regular dBA limits during those windows only.
Monterey Park Construction Noise Hours
Some RestrictionsMonterey Park Municipal Code § 4.50.100(a)
(a) Construction Activities. Construction activities between seven a.m. and seven p.m. Monday through Friday, and between nine a.m. and six p.m. on Saturdays, Sundays and Holidays. Persons responsible for construction activities lasting longer than three days, for example and without limitation, the general contractor or property owner, must post notice at all entrances to the construction site...
Amplified Music & Outdoor Sound
In the City of Monterey Park, amplified music and other sound-amplifying equipment cannot push noise past the limits set in Municipal Code Chapter 4.50: 50 dBA at night and 55 dBA in daytime on residential property, 60 to 70 dBA in commercial and industrial zones. Using a loudspeaker or amplifying system on a public street also needs a separate city permit under § 9.09.010.
Amplified Sound Decibel Limits in Monterey Park
Some RestrictionsMonterey Park Municipal Code §§ 4.50.020, 4.50.080
"Sound-amplifying equipment" means any machine or equipment or device for the amplification of the human voice, music or any other sound. Sound-amplifying equipment does not include automobile radios regulated by the California Vehicle Code, warning devices on authorized emergency vehicles, horns, or other warning devices on vehicles used for traffic safety purposes. ... It is unlawful for a so...
Aircraft Noise
In the City of Monterey Park, Municipal Code Chapter 9.06 makes it unlawful for any aircraft to create a noise disturbance over the city, bans overflight of residential areas between 10 p.m. and 7 a.m., and sets a minimum safe flight altitude of six thousand feet over populated areas, schools, hospitals, and religious institutions.
Monterey Park Aircraft Noise Rules
Some RestrictionsMonterey Park Municipal Code §§ 9.06.020, 9.06.040, 9.06.100
"Noise disturbance"means any loud, raucous, annoying, or unusual noises that offends the peace and quiet of persons of ordinary sensibilities and interferes with the comfortable enjoyment of life or property and affects at the same time an entire neighborhood or any considerable number of persons. ... It is unlawful for any person to allow, maintain, or cause any aircraft to create a noise dist...
Decibel Limits
In the City of Monterey Park, Section 4.50.080 sets a sliding dBA ceiling by land use: residential properties cap out at 50 dBA at night and 55 dBA in the day, neighborhood commercial at 60 dBA, other commercial at 65 dBA, and industrial at 70 dBA, any time of day.
Monterey Park Noise Decibel Limit Table
Some RestrictionsMonterey Park Municipal Code § 4.50.080(a)
(a) It is unlawful for a source of sound to exceed the noise level limits identified in this section. Sound level limits include the actual measured median ambient noise level or the following presumed ambient noise level, whichever is greater: Land Use Time Period Level Residential Nighttime 50 dbA Daytime 55 dbA Neighborhood Commercial Anytime 60 dbA Other Commercial Anytime 65 dbA Industrial...
Vehicle Noise
In the City of Monterey Park, ordinary street traffic noise is exempt from the noise code, but Section 4.50.050(a)(2) strips that exemption from any vehicle equipped with sound-amplifying equipment, such as a car stereo, whose sound carries onto private property or exceeds the chapter's noise level limits when heard from a public street.
Monterey Park Vehicle Sound-Amplifier Noise Rule
Some RestrictionsMonterey Park Municipal Code § 4.50.050(a)(2)
(a) Sound Generated by Motor Vehicles. Sound generated by motor vehicles, trucks and buses operated on streets and highways, aircraft, trains, and other public transport. This exemption does not apply to the following: ... (2) Vehicles equipped with sound amplifiers that are not exempt. No person must operate or drive any vehicle or cause any vehicle to be operated or driven, or otherwise used,...
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