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Fontana, CA
Noise Ordinance Overview

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Official Decibel Limits

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Residential Day
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Residential Night
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"The City discourages noise-sensitive uses in areas exceeding 65 dBA CNEL (Community Noise Equivalent Level) for residential, hospitals, rest homes, and long-term care facilities, and 65 Leq(12) for schools, libraries, places of worship, and passive recreation uses. Resource extraction operations have a noise standard plus 20 dB(A), with adjustments based on ambient levels."

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AI Executive Summary

Gemini AI

Fontana, CA noise ordinances, primarily Fontana Municipal Code Chapter 18, prohibit loud, excessive, impulsive, or intrusive sound disturbing ordinary sensibilities. Specific restrictions govern construction hours (7 AM-6 PM weekdays, 8 AM-5 PM Saturdays), amplified sound from vehicles and aircraft, and animal noises. Violations can result in infractions, misdemeanors, or administrative fines, including escalating civil penalties for repeated unruly gatherings.

Specific Noise Restrictions

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Construction

The erection, demolition, alteration, or repair of any building or structure (including excavating) is generally prohibited between 6:00 p.m. and 7:00 a.m. on weekdays, and 5:00 p.m. and 8:00 a.m. on Saturdays. Work outside these hours requires a permit for urgent necessity. The operation of piledrivers, steam shovels, pneumatic hammers, derricks, steam or electric hoists, or other noise-creating appliances is prohibited between 6:00 p.m. and 7:00 a.m.

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Amplified Sound

The use or operation of any radio, musical instrument, phonograph, loudspeaker, sound amplifier, or other device creating loud, excessive, impulsive, or intrusive noise that annoys or disturbs persons of ordinary sensibilities is unlawful. Noncommercial use of sound trucks is limited to music or human speech and permitted for four hours daily between 11:30 a.m. - 1:30 p.m. and 4:30 p.m. - 6:30 p.m., with no operations on Sundays and legal holidays. Sound trucks must operate at least 10 mph (except when stopped by traffic for no more than one minute), and sound cannot be issued within 100 yards of hospitals, schools, churches, or courthouses. Volume must not be audible over 100 feet from the truck and not exceed 15 watts of power. Commercial advertising by aircraft with sound amplifying equipment has similar time restrictions and conditions, including a minimum altitude of 1,500 feet and directional sound.

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Animals

Keeping or permitting any animal to habitually bark, whine, or make loud, excessive, impulsive, or intrusive noises that disturb the peace and quiet of neighbors is unlawful. Barking dog investigations can be reported to Police Dispatch.

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Vehicles

Using any vehicle out of repair or loaded/used in a manner that creates loud, excessive, impulsive, or intrusive and unnecessary grating, grinding, rattling, or other noise is prohibited. Creating loud, excessive, impulsive, or intrusive noise during the loading or unloading of vehicles or the opening/destruction of containers is also prohibited. Transportation of metal rails, pillars, or columns loaded to cause excessive noise is unlawful. All noise sections of the State Motor Vehicle Code are enforced. Inoperable vehicles on the street and trailers on the street should be reported to Non-Emergency Dispatch. Commercial vehicles are restricted from parking in residential areas except for loading/unloading.

Noise Protection Score

BGood

How well does Fontana protect residents from noise?

Decibel Limits10/25

Qualitative standard

Quiet Hours15/25

Standard coverage

Penalties20/25

Strong penalties with escalation

Coverage25/25

4 noise categories regulated

compare_arrowsCompare Another CityScore: 70/100 — Based on dB limits, quiet hours, penalties, and ordinance breadth

Frequently Asked Questions

What are the quiet hours in Fontana, CA?

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Fontana's quiet hours: Generally 6 PM to 7 AM, with specific variations for different noise sources.. During these hours, noise must stay below residential nighttime decibel limits at the property line. Violations can result in fines on the first offense.

What are the noise decibel limits in Fontana?

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Fontana's residential noise limits: Not specified dB(A) during the day and Not specified dB(A) at night. Commercial zones allow Not specified. Limits are measured at the receiving property line.

How do I file a noise complaint in Fontana?

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Call the Fontana police non-emergency line at (909) 350-7700. For ongoing violations, contact code enforcement at (909) 854-8020. Have the address, noise type, and duration ready. You can request to remain anonymous.

What is the fine for a noise violation in Fontana?

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Fontana's noise violation penalties: Violations are punishable as infractions or misdemeanors, as per Fontana Municipal Code section 1-7. Negligent or knowing violations may incur administrative fines. For loud parties or disturbances, a fine will be assessed upon a return call. Civil penalties for unruly gatherings include $750 for a second response within 90 days and $1,500 for a third response within 90 days.. Fines typically escalate with repeat offenses and may result in misdemeanor charges for chronic violations.

What are the dog barking rules in Fontana?

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Fontana's rules: Keeping or permitting any animal to habitually bark, whine, or make loud, excessive, impulsive, or intrusive noises that disturb the peace and quiet of neighbors is unlawful. Barking dog investigations can be reported to Police Dispatch.. To report a barking dog, contact animal control at (909) 350-7700 or the police non-emergency line.

When can construction work start in Fontana?

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Fontana's construction noise rules: The erection, demolition, alteration, or repair of any building or structure (including excavating) is generally prohibited between 6:00 p.m. and 7:00 a.m. on weekdays, and 5:00 p.m. and 8:00 a.m. on Saturdays. Work outside these hours requires a permit for urgent necessity. The operation of piledrivers, steam shovels, pneumatic hammers, derricks, steam or electric hoists, or other noise-creating appliances is prohibited between 6:00 p.m. and 7:00 a.m.. Violations can be reported to code enforcement, which can issue stop-work orders for unpermitted or off-hours construction.

Are there rules about loud music in Fontana?

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Yes. Fontana's ordinance: The use or operation of any radio, musical instrument, phonograph, loudspeaker, sound amplifier, or other device creating loud, excessive, impulsive, or intrusive noise that annoys or disturbs persons of ordinary sensibilities is unlawful. Noncommercial use of sound trucks is limited to music or human speech and permitted for four hours daily between 11:30 a.m. - 1:30 p.m. and 4:30 p.m. - 6:30 p.m., with no operations on Sundays and legal holidays. Sound trucks must operate at least 10 mph (except when stopped by traffic for no more than one minute), and sound cannot be issued within 100 yards of hospitals, schools, churches, or courthouses. Volume must not be audible over 100 feet from the truck and not exceed 15 watts of power. Commercial advertising by aircraft with sound amplifying equipment has similar time restrictions and conditions, including a minimum altitude of 1,500 feet and directional sound.. Music exceeding residential decibel limits or plainly audible across property lines during quiet hours is a citable violation.

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