Quiet hours in New Castle County, DE — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
New Castle County quiet hours run 9 PM-7 AM for power equipment in residential districts, and 8 PM-7 AM for outdoor power saws, sanders, drills, grinders, and garden tools (NCC Code §22.02.008). A Department of Land Use noise waiver is required to work outside those windows.
New Castle County's noise rules (NCC Code §22.02.008) are built around power equipment in residential districts. General quiet hours for power equipment run 9 PM to 7 AM, and the noisier shop and yard tools — outdoor power saws, sanders, drills, grinders and garden tools — are cut off earlier, from 8 PM to 7 AM. Weekends push the morning start later. Need to work outside those windows? The Department of Land Use issues noise waivers, but apply at least 10 business days ahead. County police enforce disturbances; Land Use handles waivers and some daytime construction complaints.
Operating power equipment during quiet hours without a waiver violates NCC Code §22.02.008. County police enforce noise disturbances, and violations can result in citations.
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