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location_onSan Jose, CA
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San Jose, CA
Noise Ordinance Overview

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Official Decibel Limits

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Residential Day
+70dB
Above Ambient
Residential Night
+55dB
Above Ambient

"Decibel limits are often measured at the property line. Sound equipment in residential areas may not exceed 75 dB(A) from 10 p.m. to 10 a.m."

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AI Executive Summary

Gemini AI

San Jose, CA noise ordinances, primarily Chapter 10.16 of the Municipal Code, prohibit unreasonably loud noises that disturb neighborhood peace. While no blanket curfew exists, stricter limitations generally apply between 10:00 p.m. and 7:00 a.m., enforced through a 'plainly audible' standard or measured decibel levels. Specific rules cover construction, amplified sound, animals, and vehicles.

Specific Noise Restrictions

construction

Construction

General construction/demolition: 7:00 a.m. to 7:00 p.m. Monday through Friday. No construction on weekends or holidays within 500 feet of residential units. Construction within public streets: 9:00 a.m. to 3:30 p.m. (M-F) and 8:00 a.m. - 5:00 p.m. (Saturdays and Sundays).

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Amplified Sound

Operation of loudspeakers or sound amplifiers requires a permit from the chief of police. Sound equipment in residential areas is restricted if plainly audible past the property line or exceeds 75 dB(A) between 10 p.m. and 10 a.m. Playing any radio, phonograph, or musical device in a manner that is disturbing or unreasonably loud to a reasonable person outside the unit is prohibited.

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Animals

No owner shall allow an animal to habitually disturb the peace by howling, barking, crying, baying, or making any other noise. This includes incessant noise for 30 minutes or more, or intermittent noise accumulating to 60 minutes or more, in any 24-hour period.

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Vehicles

Prohibits sounding any horn or noise device other than allowed by the California Vehicle Code. Noise from an exhaust system not constructed to prevent disturbing or unreasonably loud noise. Revving an engine while not in motion (except for repair/testing). Vehicle Code section 27007 specifies 50 feet as the allowable distance for noise from a vehicle parked on public property.

Noise Protection Score

CAverage

How well does San Jose protect residents from noise?

Decibel Limits5/25

70 dB day / NaN dB night

Quiet Hours15/25

Standard coverage

Penalties13/25

Standard fines

Coverage25/25

4 noise categories regulated

compare_arrowsCompare Another CityScore: 58/100 — Based on dB limits, quiet hours, penalties, and ordinance breadth

Frequently Asked Questions

What are the quiet hours in San Jose, CA?

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San Jose's quiet hours: 10PM-7AM. 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 Jose?

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San Jose's residential noise limits: 70 dB(A) or 10 dBA above ambient, not to exceed 60 dBA (7 a.m. - 10 p.m.); One- and Two-Family: 55 dBA (7 a.m. - 10 p.m.) dB(A) during the day and One- and Two-Family: 55 dB(A) or 5 dBA above ambient, not to exceed 50 dBA; 45 dBA (10 p.m. - 7 a.m.); Multiple-Family Dwelling: 50 dBA (10 p.m. - 7 a.m.) dB(A) at night. Commercial zones allow 65 dBA (7 a.m. - 10 p.m.). Limits are measured at the receiving property line.

How do I file a noise complaint in San Jose?

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Call the San Jose police non-emergency line at (408) 277-8900. For ongoing violations, contact code enforcement at 311 or (408) 535-3500. Have the address, noise type, and duration ready. You can request to remain anonymous.

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

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San Jose's noise violation penalties: Disturbing the peace may result in a citation or arrest. For loud parties, a return police call within 12 hours can lead to prosecution and liability for response costs. Animal nuisance citations can be issued after a second complaint, based on a sworn affidavit. Airport curfew intrusions carry administrative citation fines of $2,500.. Fines typically escalate with repeat offenses and may result in misdemeanor charges for chronic violations.

What are the dog barking rules in San Jose?

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San Jose's rules: No owner shall allow an animal to habitually disturb the peace by howling, barking, crying, baying, or making any other noise. This includes incessant noise for 30 minutes or more, or intermittent noise accumulating to 60 minutes or more, in any 24-hour period.. To report a barking dog, contact animal control at (408) 794-7297 or the police non-emergency line.

When can construction work start in San Jose?

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San Jose's construction noise rules: General construction/demolition: 7:00 a.m. to 7:00 p.m. Monday through Friday. No construction on weekends or holidays within 500 feet of residential units. Construction within public streets: 9:00 a.m. to 3:30 p.m. (M-F) and 8:00 a.m. - 5:00 p.m. (Saturdays and Sundays).. 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 Jose?

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Yes. San Jose's ordinance: Operation of loudspeakers or sound amplifiers requires a permit from the chief of police. Sound equipment in residential areas is restricted if plainly audible past the property line or exceeds 75 dB(A) between 10 p.m. and 10 a.m. Playing any radio, phonograph, or musical device in a manner that is disturbing or unreasonably loud to a reasonable person outside the unit is prohibited.. Music exceeding residential decibel limits or plainly audible across property lines during quiet hours is a citable violation.

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