Construction hours in Cambridge, MA β sometimes called construction noise rules or contractor work-hour ordinances β set when contractors can run power tools, hammers, and heavy equipment.
Cambridge limits construction noise to weekdays 7 AM to 6 PM and Saturdays 9 AM to 6 PM, with no Sunday or holiday work allowed without a special permit.
Construction activity in Cambridge is tightly controlled under Chapter 8.16 of the Municipal Code. Permitted construction hours are Monday through Friday 7 AM to 6 PM and Saturday 9 AM to 6 PM. Sunday and legal holiday construction is prohibited unless the contractor obtains a noise waiver from the Commissioner of Public Works or Inspectional Services. Given the density of Cambridge neighborhoods and the concentration of biotech construction in Kendall Square, noise complaints against contractors are common and aggressively enforced. Contractors must post permits visibly, and violations can result in stop-work orders in addition to fines. The city also requires construction management plans for larger projects that include noise mitigation measures. Impact tools, pile driving, and rock breaking may face further restrictions.
Contact your local code enforcement office for specific penalty information.
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Side-by-side rule comparisons with other cities in Middlesex County.
See how other cities in Middlesex County handle construction hours.
See how Cambridge's construction hours rules stack up against other locations.
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