Plymouth, MA
Noise Code
The official quiet hours, decibel limits, and enforcement protocols for Plymouth, MA.
Ordinance Summary
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.
Quiet Hours
Specific loud human-generated noises (yelling, shouting, hooting, whistling, singing) are restricted between 9:00 PM and 7:00 AM if plainly audible at 25 feet. Construction is permitted 7:00 AM to 8:00 PM on weekdays and Saturdays.
Police Non-Emergency
508-830-4218Decibel Limits
"Plymouth, MA's noise ordinance does not specify decibel limits in the provided sources."
Measure Noise Levels Instantly
Use our free browser-based decibel meter to check if your neighbors are violating the Plymouth, MA code.
Specific Noise Restrictions
Operating or permitting construction tools or equipment is permitted between 7:00 AM and 8:00 PM on weekdays and Saturdays.
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.
Animals causing unnecessary, loud, excessive or unusual noises are subject to the general noise bylaw. The Animal Control Office handles animal-related issues.
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.
Frequently Asked Questions
Quiet Hours?
Specific loud human-generated noises (yelling, shouting, hooting, whistling, singing) are restricted between 9:00 PM and 7:00 AM if plainly audible at 25 feet. Construction is permitted 7:00 AM to 8:00 PM on weekdays and Saturdays..
Construction?
Usually limited to daytime hours (e.g. 7am-6pm). Check 'Specific Restrictions' above.
Who to call?
Use Non-Emergency Police: 508-830-4218.
Fines?
Commonly range from $50 to $500 for initial offenses.
Noise Solutions for Plymouth, MA
SolvedBest Gear for Plymouth, MA Residents
Ultrasonic Bark Control
Humane deterrent that emits a high-frequency sound when it detects barking.
Loop Quiet Ear Plugs
The "gold standard" for sleeping. Reduces noise by 24dB without the pain of foam plugs.
1/2" Thick Rug Pad
Essential for the "80% Rule." Adds density to rugs to absorb footfall impact noise for downstairs neighbors.
Hemp Calming Chews
Natural relief for dog anxiety. Perfect for separation anxiety barking or fear of fireworks.
ThunderShirt for Dogs
The best solution for anxiety-induced barking (fireworks, thunder, separation).
Marpac Dohm Classic
The original fan-based machine. Unlike digital loops, this creates real rushing air sound.
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