Construction hours in Kings County, NY — sometimes called construction noise rules or contractor work-hour ordinances — set when contractors can run power tools, hammers, and heavy equipment.
NYC Noise Code §24-222 limits construction work to weekdays 7 AM–6 PM. Weekend and after-hours work requires an After Hours Work Authorization from the DOB. Brooklyn construction sites must maintain a Construction Noise Mitigation Plan per 15 RCNY Chapter 28.
Section 24-222 of the NYC Administrative Code prohibits construction work outside weekdays 7 AM to 6 PM. Owner-occupants of one- or two-family dwellings may perform work on Saturdays and Sundays between 10 AM and 4 PM, provided the dwelling is more than 300 feet from a house of worship. All other after-hours or weekend work requires an After Hours Work Authorization (AHV) from the DOB under §24-223. Construction noise limits are set at 80 dB(A) measured 50 feet from the source (dropping to 75 dB(A) as of recent amendments for sites within 200 feet of residential properties). All sites must maintain a Construction Noise Mitigation Plan per 15 RCNY Chapter 28. Brooklyn has among the highest volumes of construction activity in NYC, and DEP actively monitors complaints.
Operating without an After Hours Work Authorization: civil penalty of $800–$16,000 per violation. Exceeding construction noise limits: $220–$17,500 per violation. Stop-work orders may be issued by DOB.
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