What is the residential decibel limit in Boston, MA?

Daytime limit: 70 dBa. Nighttime limit: 50 dBa. Unreasonable noise is defined as exceeding 50 dBa between 11:00 p.m. and 7:00 a.m. or 70 dBa at all other hours, measured not closer than the lot line of a residential lot or from the nearest affected dwelling unit.

Who do I call for a noise complaint in Boston, MA?

For non-emergencies, contact the police at 617-343-4240 (Dial 911 for emergencies). For code violations, contact Code Enforcement at 311 or 617-635-4900.

Boston, MA Noise Ordinance

Quiet Hours: 11:00 PM - 7:00 AM

Residential Decibel Limit: 70 dBa (Day) / 50 dBa (Night)

Summary: Boston, MA's noise ordinance, under Boston Municipal Code Chapter 16, Section 26 ("UNREASONABLE NOISE"), prohibits excessive noise. It defines unreasonable noise as exceeding 50 dBa between 11 p.m. and 7 a.m. or 70 dBa at other times. The ordinance covers construction, amplified sound, and vehicle noise, enforced by the Boston Public Health Commission and Environment Department.

Local Noise Laws

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