What is the residential decibel limit in Cambridge, MA?

Daytime limit: 60 dB(A) (7 AM - 6 PM). Nighttime limit: 50 dB(A) (6 PM - 7 AM). Cambridge also specifies maximum dB(A) at specific octave levels. For construction, a maximum noise level of 75 dB(A) at the lot line of affected residential property, and 86 dB(A) at 50 feet from a device for street excavation, grading, or repair. Street performers cannot exceed 80 dB(A) at 25 feet; indoors, sound exceeding 50 dB(A) and 10 dB(A) above background is a violation.

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

For non-emergencies, contact the police at 617-349-3300. For code violations, contact Code Enforcement at 617-349-6100 (Inspectional Services Department).

Cambridge, MA Noise Ordinance

Quiet Hours: 6 PM - 7 AM (residential general noise)

Residential Decibel Limit: 60 dB(A) (7 AM - 6 PM) (Day) / 50 dB(A) (6 PM - 7 AM) (Night)

Summary: Cambridge, MA, enforces its Noise Control Ordinance Chapter 8.16 to prevent excessive sound and vibration impacting public health and quality of life. The ordinance sets quiet hours for residential areas, generally from 6 PM to 7 AM, and outlines specific restrictions for activities like construction and amplified sound, along with corresponding decibel limits and penalties for violations.

Local Noise Laws

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