New Castle County permits residential holiday decorations without permit. Displays must not obstruct sight lines or create hazards. UL-listed outdoor electrical equipment required. HOA rules may impose seasonal limits.
New Castle County UDC exempts holiday and seasonal decorations on residential property from sign regulation and permitting. Decorations must not obstruct sidewalks, driveways, or the 25-foot sight triangle at intersections per UDC traffic safety provisions. Electrical equipment must be UL-listed for outdoor use; extension cord runs should use GFCI protection. Inflatable displays must be anchored against Delaware winter winds. The county imposes no strict on/off dates, though many HOAs require removal within 30 days after the holiday. Noise-producing displays (music, speakers) are subject to the county noise ordinance (UDC Article 41) quiet hours 10 PM to 7 AM. Rooftop installations must not damage roofing.
Sight-line obstruction: correction notice from Dept of Land Use. Electrical hazard identified by fire marshal: immediate removal order. Noise violations: standard noise ordinance enforcement. HOA violations: private CC&R enforcement.
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