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location_onSan Diego, CA
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San Diego, CA
Noise Ordinance Overview

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Official Decibel Limits

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Residential Day
50dB
Residential Night
40dB

"Decibel limits vary by zoning and time of day. An average sound level greater than 75 dB from construction is unlawful at residential property lines between 7 a.m. and 7 p.m.. When two adjacent properties have different zone classifications, the average of the two sound level limits is used."

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AI Executive Summary

Gemini AI

San Diego, CA noise ordinances, primarily Municipal Code Section 59.5.04, prohibit disturbing, excessive, or offensive noise that causes discomfort or annoyance. Residential quiet hours are generally 10 p.m. to 7 a.m.. Construction and amplified sound have strict regulations, and violations can lead to fines up to $1,000, or $2,500 for severe construction noise issues.

Specific Noise Restrictions

construction

Construction

Prohibited between 7 p.m. and 7 a.m. on weekdays, Sundays, and legal holidays. Saturday construction may be permitted from 7 a.m. to 7 p.m.. An average sound level greater than 75 decibels is unlawful at residential property lines between 7 a.m. and 7 p.m.. Permits for work outside these hours can be obtained from the Noise Abatement and Control Administrator.

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Amplified Sound

A curfew is in effect between 10 p.m. and 8 a.m. for loud yelling, shouting, singing outdoors, or using amplified sound audible 50 feet away. Non-commercial sound trucks are permitted 8 a.m. to 9 p.m., limited to 65 decibels at 50 feet, and restricted within 100 yards of hospitals, schools, churches, or courthouses. Special events require permits.

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Animals

Frequent or long-continued animal noise causing annoyance or discomfort to a reasonable person is unlawful. Barking dogs are considered excessive if barking continuously for an hour or more with short breaks within a 24-hour period.. The San Diego Police Department does not respond to calls about barking dogs; complainants should contact Code Enforcement.

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Vehicles

Unnecessary use of horns or signaling devices is prohibited. Vehicle and structure burglar alarms must terminate within 20 minutes, and police can disconnect them. Operating refuse compacting/collection vehicles or parking lot sweepers in residential areas between 7 p.m. and 7 a.m. (refuse collection between 7 p.m. and 6 a.m.) without a permit is prohibited. Playing radios or similar devices on urban transit buses/trolleys audible to others is also prohibited.

Noise Protection Score

CAverage

How well does San Diego protect residents from noise?

Decibel Limits10/25

Qualitative standard

Quiet Hours15/25

Standard coverage

Penalties18/25

Standard fines

Coverage25/25

4 noise categories regulated

compare_arrowsCompare Another CityScore: 68/100 — Based on dB limits, quiet hours, penalties, and ordinance breadth

Frequently Asked Questions

What are the quiet hours in San Diego, CA?

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San Diego's quiet hours: 10PM-7AM (residential); 10PM-8AM (amplified sound curfew); 7PM-7AM (construction). 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 San Diego?

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San Diego's residential noise limits: Single Family: 50 dB; Multi-Family: 55 dB; All Other Residential: 60 dB (7AM-7PM) dB(A) during the day and Single Family: 40 dB; Multi-Family: 45 dB; All Other Residential: 50 dB (10PM-7AM) 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 San Diego?

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Call the San Diego police non-emergency line at 619-531-2000 or 858-484-3154. For ongoing violations, contact code enforcement at City of San Diego Code Enforcement (via Request for Investigation form). Have the address, noise type, and duration ready. You can request to remain anonymous.

What is the fine for a noise violation in San Diego?

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San Diego's noise violation penalties: Violations can result in administrative citations, with general fines up to $1,000. Repeat offenders may face increased fines or legal action. Severe construction noise issues can incur fines up to $2,500 per incident.. Fines typically escalate with repeat offenses and may result in misdemeanor charges for chronic violations.

What are the dog barking rules in San Diego?

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San Diego's rules: Frequent or long-continued animal noise causing annoyance or discomfort to a reasonable person is unlawful. Barking dogs are considered excessive if barking continuously for an hour or more with short breaks within a 24-hour period.. The San Diego Police Department does not respond to calls about barking dogs; complainants should contact Code Enforcement.. To report a barking dog, contact animal control at City of San Diego Code Enforcement (via Request for Investigation form) or National Conflict Resolution Center at 619-238-2400 for barking dogs or the police non-emergency line.

When can construction work start in San Diego?

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San Diego's construction noise rules: Prohibited between 7 p.m. and 7 a.m. on weekdays, Sundays, and legal holidays. Saturday construction may be permitted from 7 a.m. to 7 p.m.. An average sound level greater than 75 decibels is unlawful at residential property lines between 7 a.m. and 7 p.m.. Permits for work outside these hours can be obtained from the Noise Abatement and Control Administrator.. 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 San Diego?

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Yes. San Diego's ordinance: A curfew is in effect between 10 p.m. and 8 a.m. for loud yelling, shouting, singing outdoors, or using amplified sound audible 50 feet away. Non-commercial sound trucks are permitted 8 a.m. to 9 p.m., limited to 65 decibels at 50 feet, and restricted within 100 yards of hospitals, schools, churches, or courthouses. Special events require permits.. Music exceeding residential decibel limits or plainly audible across property lines during quiet hours is a citable violation.

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