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Plymouth County, MA Noise Ordinances: Quiet Hours (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Quiet hours in Plymouth County, MA, also called the noise ordinance, nighttime noise rules, or residential quiet time, define the hours during which excessive noise is prohibited.

Key Facts

Quiet hours
Set by each town
Governing law
MGL c.40 §21(22)
Max bylaw fine
$300 per offense
Enforcement
Local police

Summary

No single Plymouth County quiet-hours rule exists. Each town sets its own noise bylaw under MGL c.40 §21(22), the statute authorizing bylaws for controlling and abating noise from any source. Brockton and Plymouth enforce nighttime limits.

City-specific rules exist: Brockton has its own quiet hours rules that differ from Plymouth County's county-level regulations. If you live in Brockton, check the city-specific page instead.

For controlling and abating noise from whatever source, including, without limiting the generality of the foregoing, the right to restrict or limit the use of automobile horns and the operation of motor vehicles in such a manner as to cause excessive noise.

Source: Massachusetts General LawsView official code

Full Breakdown

Massachusetts counties hold no ordinance power, so quiet hours across Plymouth County come from each town's noise bylaw, enacted under MGL c.40 §21(22). That statute lets Brockton, Plymouth, Duxbury, and Scituate restrict noise from whatever source. Brockton's ordinance bars unreasonable noise overnight; coastal towns like Marshfield and Hingham fix their own hours. MGL c.272 §53 backs enforcement statewide by making disturbing the peace a criminal offense. Local police, not the county, answer complaints and issue citations.

Violations & Fines

Town bylaw fines run to $300 per offense under MGL c.40 §21. Disturbing the peace under MGL c.272 §53 carries a fine up to $200 or imprisonment up to six months.

Frequently Asked Questions

Does Plymouth County set quiet hours?
No. The county has no ordinance power. Each town writes its own noise bylaw under MGL c.40 §21(22). Brockton, Plymouth, and Duxbury each fix their own overnight limits.
Who enforces noise complaints?
Your town's police department. Massachusetts counties run no noise enforcement. Officers apply the local bylaw and can charge disturbing the peace under MGL c.272 §53.

Sources & Official References

Other rules in Plymouth County

All Plymouth County rules

How Plymouth County compares: Cities with the Strictest Noise Ordinances·Compare Plymouth County to another location·View the Massachusetts noise ordinances overview

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Quiet Hours in Cities Across Plymouth County