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Noise from Specific Sources in California (2026)

279 rules on the books across California, 126 cities and counties. Select a rule to read the full details.

Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions

HVAC & Mechanical Noise

Noise limits for air conditioners, heat pumps, pool equipment, and other mechanical systems, including decibel thresholds measured at the property line.

Alameda

Some Restrictions

A residential air conditioner or refrigeration unit installed in Alameda before the noise ordinance took effect may not…

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Alameda County

Some Restrictions

Unincorporated Alameda County caps residential air conditioning and refrigeration equipment noise at 55 dB(A) for units…

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Bellflower

Some Restrictions

Rooftop and ground-mounted compressors, air conditioners, and similar machinery on commercially zoned Bellflower…

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Berkeley

Some Restrictions

Air conditioners, compressors, and pumps in Berkeley must be enclosed or muffled enough to avoid a noise disturbance…

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Buena Park

Some Restrictions

In Buena Park, exterior air conditioning equipment cannot exceed a 60 dBA noise rating and must also meet the city's…

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Camarillo

Some Restrictions

Camarillo prohibits air conditioners, fans, pumps and other mechanical equipment from creating noise that violates the…

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Carson

Some Restrictions

Carson requires shock-mounting of motors, compressors and pumps in residential condominium buildings to block…

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Chino

Some Restrictions

Air conditioners and refrigeration units in Chino count as 'fixed noise sources' under the city's noise ordinance and…

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Chino Hills

Some Restrictions

Chino Hills treats HVAC units as "mechanical equipment" under its Development Code, requiring a minimum three-foot…

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Downey

Some Restrictions

Downey requires air conditioning, mechanical roof, and utility equipment to be designed and placed so it does not…

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Dublin

Some Restrictions

Dublin Municipal Code Section 8.36.060.C.3 requires air conditioning, pool and spa equipment sitting within a required…

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El Dorado County

Some Restrictions

Air conditioners, heat pumps, and other HVAC units are classified as a 'Non-Transportation Noise Source' under Section…

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El Monte

Some Restrictions

Rooftop air conditioners, refrigeration units, and other fixed mechanical equipment in El Monte must keep their noise…

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Folsom

Some Restrictions

Folsom caps air conditioning and refrigeration equipment noise at 55 dBA exterior if installed before the ordinance's…

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Fremont

Some Restrictions

Fremont restricts noisy motors, engines, and mechanical equipment near homes. Municipal Code Section 9.25.030(c) bars…

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Fresno County

Some Restrictions

Fresno County caps noise from air conditioning and refrigeration equipment at 55 dBA for units installed before July 1…

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Fullerton

Some Restrictions

Air conditioners and refrigeration units count as fixed noise sources under Fullerton's noise chapter, and FMC §…

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Glendale

Some Restrictions

Glendale requires permanent mechanical equipment including HVAC systems in new condominium developments to be…

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Hawthorne

Some Restrictions

Hawthorne's objective noise ordinance names noisy HVAC and pool equipment as an example of the ongoing, stationary…

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Inglewood

Some Restrictions

Inglewood caps machinery and air-conditioning noise at five decibels above the ambient noise base level measured at the…

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Irvine

Some Restrictions

Irvine caps the noise from air conditioning, refrigeration, and heating equipment, plus pool and reservoir pumps…

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Lakewood

Some Restrictions

Any air conditioner, heat pump, pool pump, or similar mechanical equipment near a Lakewood residential zone is declared…

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Livermore

Some Restrictions

Livermore Municipal Code Sec. 9.36.040 bans any noise-creating blower, power fan or internal combustion engine unless…

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Long Beach

Some Restrictions

Long Beach sets fixed decibel ceilings for air-conditioning and refrigeration equipment measured at the neighboring…

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Los Angeles

Some Restrictions

Air conditioning, refrigeration, heating, and pool-pumping or filtering equipment may not raise noise at any…

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Los Angeles County

Some Restrictions

Residential air conditioning and refrigeration equipment in unincorporated Los Angeles County may not exceed fixed…

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Los Banos

Some Restrictions

Los Banos sets a stricter decibel cap for home air-conditioning and refrigeration equipment than its general noise…

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Manteca

Some Restrictions

In Manteca's Mixed-Use Downtown (DMU) and Mixed-Use (CMU) zones, HVAC and other mechanical equipment must be shielded…

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Moorpark

Some Restrictions

Moorpark caps residential air-conditioning and air-handling noise under Table 3 to § 17.53.070(N): 60 dB(A) at the…

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Moreno Valley

Some Restrictions

HVAC condensers and pool pumps in Moreno Valley must meet nighttime noise limits at the property line, with setback and…

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Murrieta

Some Restrictions

Murrieta caps residential air conditioning and refrigeration equipment noise at 55 dBA on a neighbor's property line…

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Newport Beach

Some Restrictions

Newport Beach caps new residential HVAC equipment at 50 dBA under Municipal Code Section 10.26.045, or 55 dBA if paired…

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Oakland

Some Restrictions

Oakland caps the exterior noise from a residential air conditioner or refrigeration unit at 50 dBA under Planning Code…

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Orange County

Some Restrictions

In unincorporated Orange County, air conditioners and other equipment noise sources must stay within the county's Noise…

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Placer County

Some Restrictions

Placer County treats air conditioners and refrigeration equipment as a 'fixed sound source' under the county noise…

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Redlands

Some Restrictions

Redlands Municipal Code section 8.06.100 makes it unlawful to run residential air conditioning or air handling…

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Redondo Beach

Some Restrictions

Air conditioners, ventilation fans, and other mechanical or plumbing equipment placed in a required setback cannot emit…

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Rialto

Some Restrictions

Rialto Municipal Code Sec. 18.61.160(G) bars mechanical and HVAC equipment from sitting at ground level along any…

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Rohnert Park

Some Restrictions

Rohnert Park bars any pump, fan, air-conditioning unit, or piece of machinery from pushing property-line noise more…

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Sacramento

Some Restrictions

Sacramento caps residential air conditioners, fans, pumps and compressors at 60 dBA measured one foot inside a…

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Sacramento County

Some Restrictions

Sacramento County Code § 6.68.120 caps noise from stationary air conditioners, fans, pumps, compressors and cooling…

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San Bernardino

Some Restrictions

Electrically operated compressors, fans, and similar HVAC-type devices in San Bernardino can only run during the city's…

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San Bernardino County

Some Restrictions

Rooftop and ground-mounted air conditioners, heat pumps and ventilation equipment in unincorporated San Bernardino…

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San Clemente

Some Restrictions

San Clemente requires HVAC units, pool pumps, spa equipment, and fountain motors to be enclosed or muffled so they do…

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San Diego County

Some Restrictions

Unincorporated San Diego County caps air conditioner, heat pump, and other mechanical equipment noise under the…

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San Francisco

Some Restrictions

San Francisco caps indoor noise from HVAC units and other fixed mechanical equipment at 45 dBA at night and 55 dBA by…

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San Leandro

Some Restrictions

Rooftop and pad-mounted HVAC units on industrial parcels within 200 feet of a Residential District must be sited…

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San Luis Obispo County

Some Restrictions

Air conditioning and refrigeration equipment in unincorporated San Luis Obispo County is held to a stricter exterior…

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San Ramon

Some Restrictions

San Ramon Municipal Code section B6-97 requires commercial machinery, pumps, fans and air conditioning equipment to be…

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Santa Clara County

Some Restrictions

Unincorporated Santa Clara County caps air-conditioning and air-handling equipment noise at 50 dBA on a neighbor's…

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Santa Clarita

Some Restrictions

Santa Clarita Municipal Code Section 11.44.070 makes it a violation to run air conditioning units, fans, pumps, or…

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Santa Cruz County

Some Restrictions

Santa Cruz County caps the exterior noise from residential or commercial air-conditioning and mechanical units near…

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Santa Rosa

Some Restrictions

Running an air conditioner, pump, fan, or other mechanical equipment loud enough to push noise at a neighbor's property…

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Sonoma

Some Restrictions

Sonoma Municipal Code Section 9.56.020(D) singles out air conditioners as an example of 'constant noise,' the category…

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South Gate

Some Restrictions

South Gate requires air intake and exhaust systems, plus any other equipment generating noise, smoke, or odors, to sit…

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Tracy

Some Restrictions

Air conditioners, condensers, heat pumps, and other permanent mechanical equipment in Tracy fall under the city's noise…

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Turlock

Some Restrictions

Turlock requires motors, machinery, and pumps such as HVAC units and pool equipment installed after October 11, 1984 to…

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Upland

Some Restrictions

Upland Municipal Code § 9.40.100(E) bars operating machinery, a pump, fan, compressor, or air conditioning apparatus in…

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Vacaville

Some Restrictions

Air conditioners, condensers, and other mechanical equipment in Vacaville must be screened from view under Section…

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Ventura

Some Restrictions

Running machinery, a pump, fan or air-conditioning unit loud enough to exceed the applicable noise level limit is…

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Yuba County

Some Restrictions

An air conditioner, pool pump, or other mechanical unit in unincorporated Yuba County can't push noise more than 5…

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Simi Valley

Light Restrictions

In Simi Valley's Mixed-Use Overlay District, SVMC Section 9-44.105(I)(2)(l) requires all roof-mounted equipment to be…

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Westminster

Light Restrictions

Westminster's noise ordinance classes air conditioners and refrigeration equipment as 'fixed noise sources' subject to…

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Davis

Few Restrictions

Air conditioners, pool pumps and similar mechanical equipment are exempt from Davis's noise chapter under Municipal…

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Fairfield

Few Restrictions

Fairfield Municipal Code § 25.1405(A) exempts air conditioning and similar residential equipment from the city's noise…

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Riverside County

Few Restrictions

Riverside County's noise ordinance exempts heating and air conditioning equipment outright from the decibel limits and…

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Roseville

Few Restrictions

Central air conditioners and other residential HVAC equipment are exempt from Roseville's noise ordinance. Municipal…

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San Benito County

Few Restrictions

Unincorporated San Benito County exempts air conditioning and refrigeration equipment tied to a lawful commercial or…

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Bar & Nightclub Noise

Noise regulations specific to bars, nightclubs, and entertainment venues, including bass frequency limits, soundproofing requirements, and complaint procedures.

Anaheim

Significant Restrictions

Bars, nightclubs, and other venues holding an Anaheim entertainment permit cannot play or reproduce music, or allow…

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Buena Park

Significant Restrictions

Buena Park's zoning code treats nightclubs and dancehalls as a defined use that must sit at least 200 feet from any…

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Carlsbad

Significant Restrictions

Carlsbad caps bar and nightclub noise at 65.0 dBA Leq-1m measured at the property line between 10:00 p.m. and 7:00…

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Chula Vista

Significant Restrictions

Chula Vista won't issue a conditional use permit for a bar, cocktail lounge, or nightclub if the Zoning Administrator…

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Costa Mesa

Significant Restrictions

Costa Mesa treats late-night alcohol sales and live entertainment within 200 feet of a residential zone as a…

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Folsom

Significant Restrictions

Bars and nightclubs offering live or amplified entertainment in a Folsom-designated entertainment district need an…

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Fresno

Significant Restrictions

Fresno bars and nightclubs must keep doors and windows closed after 10 p.m. to contain noise and self-monitor decibel…

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Hayward

Significant Restrictions

Bars and nightclubs that sell alcohol in Hayward keep their deemed-approved status only if they avoid a list of…

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Hemet

Significant Restrictions

Hemet bans nightclub and entertainment-venue noise that carries onto a public street or sidewalk, allowing only brief…

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Huntington Beach

Significant Restrictions

Bars and nightclubs offering live music, DJs or dancing in Huntington Beach need a Police Chief-issued entertainment…

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Inglewood

Significant Restrictions

Any Inglewood bar, nightclub, or dance hall approved through a Special Use Permit must insulate its live entertainment…

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Norwalk

Significant Restrictions

A bar, restaurant or nightclub in Norwalk needs an annual amusement and entertainment permit before playing live music…

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Oakland

Significant Restrictions

Oakland bars and nightclubs that sell alcohol keep their Deemed Approved land-use status only if they avoid excessive…

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Rancho Cucamonga

Significant Restrictions

Bars and nightclubs in Rancho Cucamonga must keep exterior noise at or below 65 dBA between 10 p.m. and 7 a.m. and 70…

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Riverside

Significant Restrictions

Riverside bars and nightclubs holding an entertainment permit must keep noise from being 'unreasonably loud or…

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Roseville

Significant Restrictions

Bars, nightclubs, and other entertainment venues in Roseville need a city entertainment permit and must obey every…

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Sacramento

Significant Restrictions

Sacramento regulates bar, nightclub, and dance-club noise through its entertainment permit program, not just the…

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San Marcos

Significant Restrictions

San Marcos can force a licensed entertainment establishment such as a bar or nightclub to soundproof its premises after…

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Santa Ana

Significant Restrictions

Santa Ana bars and nightclubs offering amplified music must hold an entertainment permit and keep music and noise…

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Temecula

Significant Restrictions

A Temecula nightclub, bar or dance club operating under a Class III entertainment license within 500 feet of homes must…

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Thousand Oaks

Significant Restrictions

Thousand Oaks prohibits nightclubs, dancing establishments, and live entertainment venues from letting noise from…

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Alameda

Some Restrictions

A bar, nightclub or other place of public entertainment in Alameda can run a loudspeaker or musical instrument above 95…

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Alameda County

Some Restrictions

Bars and nightclubs in unincorporated Alameda County must keep exterior noise at or under the county's decibel table…

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Alhambra

Some Restrictions

Bars and nightclubs offering live music, karaoke, DJs, or comedy in Alhambra must keep it indoors with doors and…

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Berkeley

Some Restrictions

BMC 13.40.115 lets a bar, club, or other entertainment establishment run up to 5 decibels louder than the zone's…

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El Monte

Some Restrictions

El Monte bars, lounges and nightclubs using loudspeakers or PA systems for DJs or live music violate EMMC 8.36.050(D)…

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Elk Grove

Some Restrictions

Elk Grove caps sound inside bars, nightclubs, and other places of public entertainment at 95 dBA. EGMC Section…

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Fairfield

Some Restrictions

Fairfield's 'places of public entertainment' clause in § 25.1404 bars operating a radio, television, phonograph, drum…

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Fremont

Some Restrictions

Fremont caps nightclub and bar noise under its places-of-entertainment license law. Outside the downtown district…

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Fullerton

Some Restrictions

Fullerton caps commercial noise from bars, nightclubs and outdoor entertainment in the C-3 and G-C zones under FMC §…

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Glendale

Some Restrictions

Glendale caps amplified sound in bars, nightclubs and other places of public entertainment at 95 dbA measured where…

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Hanford

Some Restrictions

Hanford bans unreasonably loud, raucous noise from bars, nightclubs, and other commercial premises between 10 p.m. and…

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Hawthorne

Some Restrictions

Hawthorne bans live entertainment between 2:00 a.m. and 6:00 a.m. in any licensed establishment serving alcohol under…

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Long Beach

Some Restrictions

Long Beach caps sound in bars, nightclubs and other places of public entertainment on a sliding duration/decibel scale…

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Los Angeles

Some Restrictions

Any permit-required place of public amusement that uses sound amplification must soundproof its premises if the Board…

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Los Angeles County

Some Restrictions

When noise from a licensed dance hall or entertainment establishment disturbs nearby residents, the Business License…

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Manteca

Some Restrictions

Manteca caps amplified sound from loudspeakers, musical instruments, or other sources in any place of public…

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Moorpark

Some Restrictions

Moorpark requires bars, nightclubs, and other places of public entertainment to post a hearing-impairment warning sign…

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Murrieta

Some Restrictions

Murrieta caps amplified sound inside bars, nightclubs and other places of public entertainment at 95 dBA measured on…

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Oceanside

Some Restrictions

Amplified music and sound equipment at Oceanside bars and nightclubs fall under Section 38.17(b) of the Noise Control…

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Petaluma

Some Restrictions

Petaluma's Alcohol-Related Nuisance Ordinance, Chapter 10.68 of the Municipal Code, lists "escalated noise levels"…

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Redlands

Some Restrictions

Redlands City Code section 8.06.090(M) caps loudspeaker, musical instrument or other sound in any place of public…

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Redondo Beach

Some Restrictions

Redondo Beach caps sound inside any place of public entertainment at 90 dBA where customers stand, unless the venue…

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Riverside County

Some Restrictions

Bars and venues in unincorporated Riverside County must silence sound-amplifying equipment and live music by 10 p.m…

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San Bernardino County

Some Restrictions

San Bernardino County Code § 24.0706(b) bars sound amplifying equipment or live music from being plainly audible inside…

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San Diego

Some Restrictions

San Diego bars and nightclubs holding a 2 a.m.-6 a.m. after-hours entertainment permit must observe every…

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San Diego County

Some Restrictions

In unincorporated San Diego County, bars and nightclubs must keep sound under the commercial-zone limit of 55-60 dBA…

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San Jose

Some Restrictions

San Jose nightclubs holding a public entertainment permit must keep noise from carrying beyond the premises to a level…

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Santa Monica

Some Restrictions

Nightclubs, bars, and establishments with amplified music must locate all customer entrances and exits on commercial…

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Simi Valley

Some Restrictions

Simi Valley treats loud amplified sound and live music near homes as a public nuisance. Venues near residential…

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Turlock

Some Restrictions

Turlock bars, nightclubs, and other places of public entertainment can't exceed 95 dBA measured inside at customer…

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Vacaville

Some Restrictions

Vacaville has no nightlife-specific noise code; bars, nightclubs and lounges are folded into the citywide performance…

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Vista

Some Restrictions

Bars, restaurants and clubs operating under a Chapter 5.24 entertainment permit get a carve-out from Vista's general…

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Los Banos

Light Restrictions

Los Banos does not cap how loud a bar or nightclub can play music, but it requires a posted warning once indoor sound…

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Car Alarm Limits

Maximum duration for car alarms before they must auto-silence, penalties for repeated false alarms, and vehicle towing authority for chronic alarm violations.

Alameda

Some Restrictions

A motor vehicle burglar alarm, or an exterior burglar or fire alarm, that keeps sounding in Alameda past fifteen…

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Alameda County

Some Restrictions

Unincorporated Alameda County requires any motor-vehicle burglar alarm to shut off within 15 minutes of activation…

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Alhambra

Some Restrictions

Alhambra Municipal Code Chapter 9.75 makes it unlawful for a motor vehicle alarm to sound for more than five minutes…

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Berkeley

Some Restrictions

A motor vehicle burglar alarm sounding in Berkeley must shut off within 15 minutes of any single security violation or…

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Chino

Some Restrictions

Chino exempts vehicle and building alarms from its noise chapter only if the alarm shuts off within thirty minutes of…

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El Cajon

Some Restrictions

El Cajon regulates vehicle alarms the same as building alarms under its citywide alarm ordinance. Chapter 5.84 defines…

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Escondido

Some Restrictions

Every audible alarm in Escondido, building or vehicle, must be able to shut itself off within 15 minutes of triggering…

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Hanford

Some Restrictions

Hanford caps motor vehicle burglar alarms at 15 minutes of continuous sounding, and treats more than two false alarm…

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Imperial County

Some Restrictions

Imperial County requires audible burglar alarms on buildings and vehicles to shut off automatically within 20 minutes…

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Long Beach

Some Restrictions

Long Beach caps any motor vehicle alarm at 15 minutes of continuous or intermittent sound under Municipal Code §…

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Los Angeles

Some Restrictions

Vehicle theft alarm systems must automatically and completely silence within 5 minutes of the first audible sound…

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Los Angeles County

Some Restrictions

Unincorporated Los Angeles County requires any sounding motor-vehicle burglar alarm to shut off within 15 minutes of…

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Madera County

Some Restrictions

Unincorporated Madera County requires every motor vehicle burglar alarm to auto-shutoff within fifteen minutes, and…

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Manteca

Some Restrictions

Manteca requires motor vehicle alarms to silence within five minutes and bars sounding one more than three times in 24…

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Moorpark

Some Restrictions

Vehicle burglar alarms in Moorpark must silence themselves within 15 minutes of triggering, part of the city's broader…

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Murrieta

Some Restrictions

Murrieta requires a sounding motor vehicle burglar alarm to be terminated within 15 minutes, and police can enter…

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Oakland

Some Restrictions

Oakland gives car alarms a hard fifteen-minute limit. Municipal Code § 8.18.010(C)(7) makes it an…

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Oceanside

Some Restrictions

Oceanside treats a car alarm or horn that sounds for an unreasonable stretch as a specific noise violation under…

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Pacifica

Some Restrictions

In the City of Pacifica, an audible car alarm is exempt from the City's alarm-permit chapter, but it must still meet…

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Perris

Some Restrictions

Perris requires audible burglar alarms on structures and motor vehicles to auto-terminate within 20 minutes, and lets…

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Rancho Cucamonga

Some Restrictions

Rancho Cucamonga requires any vehicle or building alarm or bell to stop sounding within 30 minutes of activation under…

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Redlands

Some Restrictions

Redlands City Code section 8.06.090(J)(3) makes it unlawful to sound or permit the sounding of an exterior burglar or…

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Rialto

Some Restrictions

Rialto Municipal Code 9.50.030(A)(5) makes it unlawful to sound or permit the sounding of a motor vehicle burglar…

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Salinas

Some Restrictions

Salinas requires any exterior burglar, fire, or motor vehicle alarm to be terminated within thirty minutes of…

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San Bernardino

Some Restrictions

A motor vehicle burglar alarm sounding in San Bernardino must shut off within 15 minutes of going off. Letting it run…

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San Clemente

Some Restrictions

San Clemente treats a car alarm, horn, or other vehicle signaling device sounded for an unreasonable period or at an…

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San Diego

Some Restrictions

San Diego caps how long a burglar alarm, including a car alarm, can blare. SDMC § 59.5.0503 bans any audible alarm that…

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San Diego County

Some Restrictions

Unincorporated San Diego County requires car alarms to have a working automatic cutoff that silences the alarm within…

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Santa Clara County

Some Restrictions

In unincorporated Santa Clara County, a motor vehicle burglar alarm that doesn't shut off within 15 minutes of…

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Santa Monica

Some Restrictions

Car alarms may not sound for more than fifteen minutes in Santa Monica; police may enter the vehicle to disconnect an…

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Stanislaus County

Some Restrictions

Stanislaus County requires any vehicle burglar alarm to shut itself off within fifteen minutes of activation. If it…

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Stockton

Some Restrictions

Stockton limits how long a car or burglar alarm can legally sound. Municipal Code § 8.20.030(B)(1)(b) excuses alarm…

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Turlock

Some Restrictions

Turlock's noise ordinance makes it unlawful for a motor vehicle burglar alarm to keep sounding more than fifteen…

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Union City

Some Restrictions

Union City bars using a vehicle horn or car alarm when the vehicle is parked unless there is an actual, imminent threat…

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Vallejo

Some Restrictions

Vallejo Municipal Code Chapter 7.82 makes it unlawful for a motor vehicle alarm to sound for more than ten minutes, or…

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El Monte

Light Restrictions

El Monte's Alarm Systems ordinance expressly excludes vehicle alarms from its permit and false-alarm-fee system: EMMC…

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Elk Grove

Light Restrictions

Elk Grove treats persistent alarm noise, including car alarms, as a public nuisance under its noise code. EGMC Section…

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Glendale

Light Restrictions

Glendale doesn't set a duration limit for car alarms the way it does for burglar and fire alarms. Municipal Code §…

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Hayward

Light Restrictions

Hayward's noise ordinance exempts alarms and warning devices, the category covering car alarms, from the city's general…

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Marin County

Light Restrictions

Marin County Code § 6.70.030(1) makes it unlawful to sound a car horn or other vehicle signaling device except as a…

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Ontario

Light Restrictions

Ontario exempts vehicle and building alarms from its general noise standards only if the alarm shuts itself off within…

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Palm Springs

Light Restrictions

Car alarms in Palm Springs are exempt from the city's Security Alarm Systems chapter unless wired into a central…

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Roseville

Light Restrictions

House and car alarms are exempt from Roseville's noise limits under Municipal Code Section 9.24.030(C), so a triggered…

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Downey

Few Restrictions

Downey's burglar and robbery alarm ordinance, which requires a City permit, business registration and false-alarm fees…

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Eastvale

Few Restrictions

Eastvale exempts car alarms, house alarms, and other safety warning devices entirely from the city's noise-level…

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Fairfield

Few Restrictions

Fairfield Municipal Code § 25.1405(C) exempts safety, warning, and alarm devices, including house and car alarms, from…

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Fresno

Few Restrictions

Fresno's Public Safety Alarm System Ordinance regulates burglary, robbery, fire, and medical alarm systems in…

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Placer County

Few Restrictions

Car alarms are exempt from Placer County's noise ordinance. Code Section 9.36.030(A)(3) excuses house and car alarms…

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Riverside County

Few Restrictions

Riverside County's noise ordinance exempts safety, warning and alarm devices, including house and car alarms, from…

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Sunnyvale

Few Restrictions

Sunnyvale's Alarm Systems chapter, which otherwise requires a permit and charges false-alarm fees, expressly excludes…

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Temecula

Few Restrictions

Temecula Municipal Code Section 9.20.030(J) exempts house and car alarms from every rule in the citywide noise chapter…

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Generator Noise

Rules for portable and standby generators, including permitted operating hours, decibel limits, and restrictions during non-emergency use.

Inglewood

Significant Restrictions

Inglewood's tailgating ordinance bans generators over 600 watts from every licensed routine tailgate site near SoFi…

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Oxnard

Significant Restrictions

For vessels holding a limited commercial moorage permit in Oxnard's inland waterway, running a generator or auxiliary…

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Solano County

Significant Restrictions

Inside a Solano County park, running a generator or other noise-making device without a written parks division permit…

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Alhambra

Some Restrictions

Alhambra caps noise from backup generators installed at telecommunication facilities: cell towers, equipment cabinets…

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Chino Hills

Some Restrictions

A standby or portable generator installed outdoors in Chino Hills is governed as an accessory feature under CHMC §…

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Chula Vista

Some Restrictions

Chula Vista requires a muffled generator, blower or power fan under CVMC 17.24.040(C)(7): running one without a device…

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Davis

Some Restrictions

Davis bans generator use during quiet hours at Safe Parking Program host sites, the permitted vehicle-shelter locations…

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Fairfield

Some Restrictions

Portable and stationary emergency generators in Fairfield may run only for outages, declared emergencies, or…

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Fremont

Some Restrictions

Fremont bans generator use during quiet hours at permitted safe parking host sites. Municipal Code Sec…

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Fresno

Some Restrictions

Fresno's Noise Ordinance names generators, motors and compressors as regulated machinery under Municipal Code Section…

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Fullerton

Some Restrictions

Fullerton's recreational vehicle chapter bars running a power generator or other noise-generating equipment within or…

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Hanford

Some Restrictions

Hanford only exempts generator noise from its noise ordinance when the generator serves a medical purpose or is running…

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Livermore

Some Restrictions

Livermore Municipal Code Section 9.36.040 bans any noise-creating internal combustion engine, including a portable…

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Long Beach

Some Restrictions

Long Beach requires any motor, machinery or pump, including portable generators, to be sufficiently enclosed or muffled…

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Los Angeles

Some Restrictions

Los Angeles bars running a generator or other machinery between 10 p.m. and 7 a.m. within a residential zone or within…

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Manteca

Some Restrictions

During power outages, stationary emergency generators in Manteca are exempt from the city's normal noise table but…

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Marin County

Some Restrictions

Marin County Code § 6.70.030(5)(b) limits loud noise-generating construction equipment, including backhoes, generators…

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Mendocino County

Some Restrictions

Mendocino County bars indoor and mixed-light cannabis grows from running on generator power as a primary energy source…

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Merced County

Some Restrictions

Merced County restricts when backup generators at wireless telecommunication facility sites can run and be tested…

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Monterey

Some Restrictions

Monterey City Code § 38-111(A)(5)(a) exempts noise from emergency generators and standby machinery from the zoning…

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Monterey County

Some Restrictions

County parks in Monterey County restrict generator use rather than banning it outright: Monterey County Code §…

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Moorpark

Some Restrictions

Any mobile or stationary internal combustion engine, including portable generators, must run with working exhaust and…

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Norwalk

Some Restrictions

Running a generator or motor in Norwalk that makes sudden, loud or unusual noise is unlawful under Section 9.04.150(H)…

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Orange County

Some Restrictions

In unincorporated Orange County, portable and standby generators are classified as fixed noise sources under Division 6…

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Pacifica

Some Restrictions

In the City of Pacifica, running a noise-creating generator, power fan, or internal combustion engine without a muffler…

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Riverside County

Some Restrictions

In unincorporated Riverside County, a generator can't be audible inside a neighbor's home between 10 p.m. and 8 a.m…

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San Benito County

Some Restrictions

The county's only generator-specific noise rule covers backup generators at wireless telecom facilities in…

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San Bernardino County

Some Restrictions

Standby and portable generators in unincorporated San Bernardino County must meet Title 8 limits (45 dBA night…

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San Clemente

Some Restrictions

San Clemente treats a generator as a fixed noise source under Chapter 8.48, meaning it must stay within the same…

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San Diego County

Some Restrictions

In unincorporated San Diego County, testing an emergency generator is exempt from the noise ordinance only between 7…

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San Jose

Some Restrictions

San Jose lets the planning director approve a generator already covered by a development permit through an…

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San Leandro

Some Restrictions

San Leandro bans the sustained overnight use of any gasoline- or electric-powered generator, motor or engine between 9…

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San Rafael

Some Restrictions

San Rafael caps portable and stationary backup generators at 69 dBA measured at seven meters under SRMC §8.13.020, and…

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San Ramon

Some Restrictions

San Ramon requires a permit to run an internal combustion engine, including a portable generator, in a way that causes…

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Santa Clara

Some Restrictions

Santa Clara's fixed-source noise chapter, SCCC 9.10, exempts a generator's noise from its decibel limits only while the…

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Simi Valley

Some Restrictions

Simi Valley Municipal Code Section 5-16.02(d) bars running a portable generator, motor or engine outdoors between 11…

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Stanislaus County

Some Restrictions

In Stanislaus County parks and campgrounds, Section 18.04.250 sets quiet hours from 10 p.m. to 6 a.m., during which…

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Tehama County

Some Restrictions

In unincorporated Tehama County, California, generator noise falls under the general quiet-hours standard, no exemption…

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Union City

Some Restrictions

Union City bars any machine, including a generator, from causing a 'noise disturbance,' and caps added sound on…

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Vacaville

Some Restrictions

Vacaville's only code-specific generator noise rule applies to telecommunication facilities: backup generators at cell…

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Ventura County

Some Restrictions

Outdoor generators near environmentally sensitive habitat must be sited as far as practicable from ESHA receptors or…

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Westminster

Some Restrictions

Westminster's noise ordinance names generators as a 'fixed noise source' alongside compressors, pumps and industrial…

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Folsom

Light Restrictions

Folsom exempts generators and other mechanical equipment from its noise limits only while they are connected with…

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Hayward

Light Restrictions

Hayward exempts generator noise from its regular decibel limits when the generator is needed for medical purposes or…

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Sonoma

Light Restrictions

The City of Sonoma lets backup emergency generators run louder than the general noise limits during an outage or…

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Camarillo

Few Restrictions

Camarillo exempts standby generators from the city's noise ordinance entirely when they're running during a power…

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Delivery Truck Noise

Time-of-day restrictions on commercial delivery trucks operating in residential zones, including back-up beepers, refrigeration units, and engine idling.

Alameda

Some Restrictions

Alameda bars loading, unloading, opening or handling boxes, crates, containers, building materials or garbage cans…

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Alameda County

Some Restrictions

Unincorporated Alameda County bars loading and unloading of crates, containers, or trash cans between 9 p.m. and 6 a.m…

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Anaheim

Some Restrictions

Anaheim requires delivery trucks serving convenience stores and commercial centers next to residential zones to shut…

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Bakersfield

Some Restrictions

Bakersfield lets refrigerator trucks run their cooling units in commercial or manufacturing zones around the clock, but…

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Berkeley

Some Restrictions

Berkeley bars loud loading and unloading between 10 p.m. and 7 a.m. if the racket crosses a residential property line…

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Butte County

Some Restrictions

Butte County bars solid-waste collection vehicles from operating within 500 feet of residentially zoned land before…

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Chino Hills

Some Restrictions

Collection trucks working in Chino Hills cannot exceed 75 decibels measured 25 feet away and 5 feet off the ground…

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Compton

Some Restrictions

Deliveries to Compton's commercial zones can't create noise audible more than 50 feet away between 11:00 p.m. and 6:00…

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Cupertino

Some Restrictions

Vehicular deliveries or pickups to commercial establishments via a private road or alley next to residential land are…

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El Monte

Some Restrictions

El Monte bans loud loading and unloading in residential zones between 10 p.m. and 7 a.m. under EMMC 8.36.050(E)…

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Elk Grove

Some Restrictions

Elk Grove bans loading and unloading noise between 10:00 p.m. and 7:00 a.m. EGMC Section 6.32.140(B) makes it a…

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Fairfield

Some Restrictions

Fairfield Municipal Code § 25.1404 bars loading, unloading, or delivering goods by large trucks or tractor-trailers…

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Fresno County

Some Restrictions

Fresno County bars residential waste and garbage collection with truck-mounted loading or compacting equipment before 6…

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Fullerton

Some Restrictions

Fullerton restricts when trucks can deliver to or load from businesses near homes. FMC § 15.90.050(C)(2) limits…

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Garden Grove

Some Restrictions

Garden Grove bars loading and unloading vehicles, dollies, carts, or forklifts near residential property between 10…

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Glendale

Some Restrictions

Glendale bans nighttime loading and unloading noise, from 10 p.m. to 7 a.m., that disturbs a reasonable person nearby…

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Hanford

Some Restrictions

Hanford bans unreasonably loud, raucous, or excessive noise from loading and unloading trucks at any business or…

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Irvine

Some Restrictions

Irvine caps delivery- and pickup-truck activity at commercial properties that share a lot line with a residential…

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Long Beach

Some Restrictions

Long Beach bans loud loading and unloading of boxes, crates, containers and similar cargo between 10 p.m. and 7 a.m…

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Los Angeles

Some Restrictions

Los Angeles bans loading or unloading vehicles, or running dollies, carts, and forklifts, with impulsive or raucous…

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Manteca

Some Restrictions

Manteca bars loud loading and unloading of boxes, containers, or materials on private property between 10 p.m. and 7…

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Moorpark

Some Restrictions

Loading, unloading, or handling boxes, crates, containers, or garbage cans between 10 p.m. and 7 a.m. is banned in…

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Murrieta

Some Restrictions

Murrieta bans noisy loading and unloading of boxes, crates, containers, building materials or garbage cans between 10…

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Oakland

Some Restrictions

Oakland bars noisy loading and unloading overnight. Municipal Code § 8.18.010(C)(8) makes it excessive and annoying…

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Pacifica

Some Restrictions

In the City of Pacifica, loud noise from loading or unloading a vehicle, or from opening and breaking down boxes and…

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Palm Springs

Some Restrictions

Palm Springs limits how long a heavy delivery truck can idle near homes at night. Municipal Code Section 11.74.043(d)…

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Rancho Cordova

Some Restrictions

Rancho Cordova caps noise from truck-mounted garbage and waste-loading equipment at 75 to 80 dBA measured 50 feet away…

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Rancho Cucamonga

Some Restrictions

Rancho Cucamonga bans loading, unloading, opening, closing or otherwise handling boxes, crates, containers, building…

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Rialto

Some Restrictions

Rialto's design guidelines require loading docks and truck maneuvering areas near residential uses to be screened by a…

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Sacramento

Some Restrictions

Excessive truck motor noise, including unnecessary backfiring and motor racing, is a specifically banned noise in…

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Salinas

Some Restrictions

Salinas bans loading, unloading, opening, closing, or otherwise handling boxes, crates, containers, or building…

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San Bernardino

Some Restrictions

Loading or unloading trucks with excessive noise is flatly prohibited citywide under San Bernardino's Noise Control…

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San Clemente

Some Restrictions

San Clemente bars loud loading, unloading, and container-opening noise, plus retail-center maintenance noise like…

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Santa Clara County

Some Restrictions

Unincorporated Santa Clara County bans loud loading, unloading, and container handling near homes between 10 p.m. and 7…

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Sonoma

Some Restrictions

The City of Sonoma limits commercial-vehicle idling near homes under Sonoma Municipal Code Section 9.56.080(A): a…

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Sunnyvale

Some Restrictions

Sunnyvale bans nighttime deliveries, 10 p.m. to 7 a.m., to any commercial or industrial establishment whose loading…

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Tracy

Some Restrictions

Tracy specifically regulates delivery-related noise between businesses and nearby homes. Municipal Code 4.12.820(i)…

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Ventura

Some Restrictions

In the City of Ventura, a delivery truck or other vehicle over 6,000 pounds GVWR cannot idle for more than five minutes…

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Victorville

Some Restrictions

Delivery trucks moving on public roadways are exempt from Victorville's noise code under Municipal Code Section…

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Livermore

Light Restrictions

Livermore Municipal Code Sec. 9.36.060 makes it unlawful to create loud or excessive noise while loading or unloading a…

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Upland

Light Restrictions

Upland Municipal Code § 9.40.100(L) bans creating loud and excessive noise while loading or unloading a vehicle, or…

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Low-Frequency Bass Limits

Special bass-frequency (≤125 Hz) sound limits for venues, including dB(C) measurement standards and how cities differentiate bass noise from baseline ambient.

Alameda County

Significant Restrictions

Unincorporated Alameda County bans stereo, TV and instrument sound plainly audible at 50 feet at any hour, and defines…

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Vista

Significant Restrictions

Vista Municipal Code § 8.32.010(B) makes it a prima facie noise violation to run a sound amplifier connected to a…

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Chula Vista

Some Restrictions

Chula Vista treats felt vibration, not just decibels, as proof of an unlawful noise. Under CVMC 17.24.040(D)(2), any…

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Davis

Some Restrictions

Davis's general noise ordinance bans any noise that unreasonably disturbs a neighborhood's peace and quiet, and §…

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El Monte

Some Restrictions

El Monte regulates loud stereos, subwoofers, and musical instruments as a 'radio... or other machine or device for…

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Glenn County

Some Restrictions

In unincorporated Glenn County, a car stereo or vehicle sound system audible from 10 feet away on a county roadway is…

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Hayward

Some Restrictions

Hayward lets code officers cite a bass-heavy stereo or subwoofer even without a decibel reading. Section 4-1.03.2…

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Madera County

Some Restrictions

Unincorporated Madera County bans operating any device that produces vibration above the 'vibration perception…

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Norwalk

Some Restrictions

Norwalk measures every noise complaint, bass included, against the octave-band protocol in Municipal Code Section…

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Roseville

Some Restrictions

Roseville's noise code singles out low-frequency bass for its own measurement standard inside the amplified-sound…

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San Benito County

Some Restrictions

In unincorporated San Benito County, repetitive bass sounds count as "plainly audible" under the noise code, so audio…

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San Bernardino County

Some Restrictions

In unincorporated San Bernardino County, a car stereo or speaker's rhythmic bass alone is enough to prove a…

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San Clemente

Some Restrictions

San Clemente's noise code specifically accounts for low-frequency bass by requiring investigators to use C-weighted…

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San Diego

Some Restrictions

San Diego treats bass you can feel as its own violation. Under SDMC § 59.5.0502(b)(2)(B), a sound amplifier that makes…

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San Diego County

Some Restrictions

In unincorporated San Diego County, car stereos and portable speakers face a bass-specific test: if the rhythmic bass…

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Santa Cruz County

Some Restrictions

Santa Cruz County has no separate decibel limit for bass frequencies: instead, SCCC § 8.30.010(C)(2) lists 'pitch…

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South Gate

Some Restrictions

South Gate caps how far a radio, car stereo, or other entertainment device's noise can carry: audible past 225 feet, or…

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Tehama County

Some Restrictions

In unincorporated Tehama County, California, loud bass or music with tonal, informational, or musical/lyrical content…

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Fullerton

Light Restrictions

In areas that mix commercial and residential uses, Fullerton judges speaker and sound-system noise, the kind carried by…

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