New Castle County permits temporary yard sale signs on the seller's property without permit. Off-premises directional signs are limited; placement in rights-of-way is prohibited. Signs must be removed within 24 hours of sale end.
New Castle County UDC Article 6 classifies garage sale signs as temporary signs. On-premises signs up to 4 square feet may be posted 48 hours before the sale without permit. Off-premises directional signs are limited to 4 per sale, no more than 2 sq ft each, and must have property owner consent where placed. Signs may not be affixed to utility poles, traffic signs, trees in the right-of-way, or placed on public property. DelDOT right-of-way placement is prohibited statewide under 17 Del. C. §1110. Signs must be removed within 24 hours after the sale ends. Most Wilmington neighborhoods allow similar temporary signage.
Signs on utility poles or public property: removed without notice, no fine first offense. Signs left up past 24-hour window: $25 civil penalty per sign per day. Repeated violations across multiple sales: escalated citation.
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