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location_onPlymouth, MA
VERIFIED 2026

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Plymouth, MA
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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"Plymouth, MA's noise ordinance does not specify decibel limits in the provided sources."

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AI Executive Summary

Gemini AI

Plymouth, MA's Anti-Noise By-Law (Chapter 120) prohibits "unnecessary, loud, excessive or unusual noises" from any source, including mechanical devices and vehicles. The police department issues summonses for noise disturbing "average sensibilities," with no prior warnings. Construction noise is specifically permitted between 7:00 AM and 8:00 PM on weekdays and Saturdays.

Specific Noise Restrictions

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Construction

Operating or permitting construction tools or equipment is permitted between 7:00 AM and 8:00 PM on weekdays and Saturdays.

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Amplified Sound

Unnecessary, loud, excessive or unusual noises from radios, phonographs, or other mechanical sound-making devices are unlawful. Persistent or repeated yelling, shouting, hooting, whistling, or singing is prohibited between 9:00 PM and 7:00 AM if plainly audible at 25 feet.

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Animals

Animals causing unnecessary, loud, excessive or unusual noises are subject to the general noise bylaw. The Animal Control Office handles animal-related issues.

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Vehicles

It is unlawful to cause or allow any unnecessary, loud, excessive or unusual noises from any vehicle or mechanical sound-making device or instrument within a vehicle.

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