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location_onWilmington, DE
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Wilmington, DE
Noise Ordinance Overview

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Official Decibel Limits

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Residential Day
65dB
Residential Night
55dB

"Downtown district has specific limits: 75 dB day, 65 dB night. Enforcement may use decibel meters, but 'plainly audible' criteria also apply."

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AI Executive Summary

Gemini AI

Wilmington, DE's noise ordinance, Article III "Noise Control and Abatement," prohibits noise disturbances endangering health or annoying reasonable persons. Residential areas permit 65 dB during the day (7 AM-11 PM weekdays, until midnight weekends) and 55 dB at night. Commercial limits are 75 dB day/70 dB night, with Downtown at 75 dB day/65 dB night.

Specific Noise Restrictions

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Construction

Operating equipment for construction, drilling, or demolition work is generally prohibited between 10 PM and 7 AM on weekdays and Saturdays, and at any time on Sundays or holidays, if it creates a noise disturbance in a residential area. Lawn maintenance equipment is restricted between 9 PM and 7 AM.

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Amplified Sound

Operating radios, televisions, musical instruments, sound amplifiers, or similar devices in a manner that creates a noise disturbance within a receiving property, is plainly audible across real property boundaries or through common partitions, or plainly audible at a distance of 50 feet from a motor vehicle, is prohibited. More permits are required for outdoor events with amplified music if noise levels exceed maximum limits. Selling perishable goods from a motor vehicle with amplified sound is restricted between 9 PM and 7 AM (June 1-August 31) and between 8 PM and 7 AM (September 1-May 31).

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Animals

Owning, possessing, harboring, or controlling any animal or bird that barks, bays, cries, or squawks continuously for 10 minutes or intermittently for 30 minutes or more, thereby causing a noise disturbance within a receiving property, is unlawful, unless the animal was provoked by trespassing.

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Vehicles

The use of motor vehicle horns and warning devices is limited to emergency situations. Repairing, rebuilding, testing, or racing the motor of any motor vehicle in a residential district between 9 PM and 8 AM is prohibited if it creates a noise disturbance. All vehicles must comply with applicable state regulations. Operating noise-producing devices on public transit vehicles without earplugs or earphones is prohibited.

Noise Protection Score

BGood

How well does Wilmington protect residents from noise?

Decibel Limits13/25

65 dB day / 55 dB night

Quiet Hours20/25

Extensive coverage

Penalties18/25

Standard fines

Coverage25/25

4 noise categories regulated

compare_arrowsCompare Another CityScore: 76/100 — Based on dB limits, quiet hours, penalties, and ordinance breadth

Frequently Asked Questions

What are the quiet hours in Wilmington, DE?

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Wilmington's quiet hours: Residential: 11 PM - 7 AM (weekdays), 12 AM (midnight) - 7 AM (weekends). General prohibitions on noise disturbances apply outside these hours too.. During these hours, noise must stay below residential nighttime decibel limits at the property line. Violations can result in fines on the first offense.

What are the noise decibel limits in Wilmington?

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Wilmington's residential noise limits: 65 dB (7 AM - 11 PM weekdays, 7 AM - 12 AM weekends) dB(A) during the day and 55 dB (11 PM weekdays, 12 AM weekends - 7 AM) dB(A) at night. Commercial zones allow 75 dB. Limits are measured at the receiving property line.

How do I file a noise complaint in Wilmington?

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Call the Wilmington police non-emergency line at (302) 654-5151. For ongoing violations, contact code enforcement at (302) 576-3120. Have the address, noise type, and duration ready. You can request to remain anonymous.

What is the fine for a noise violation in Wilmington?

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Wilmington's noise violation penalties: Conviction for a noise violation under Wilmington City Code Section 11-60 (Article III, Noise Control and Abatement) is subject to fines of up to $1,000 for the first offense. A specific fine of not less than $50.00 applies to amplified sound violations from vehicles selling perishable commodities. Repeated violations can lead to the property being flagged as a nuisance by the city.. Fines typically escalate with repeat offenses and may result in misdemeanor charges for chronic violations.

What are the dog barking rules in Wilmington?

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Wilmington's rules: Owning, possessing, harboring, or controlling any animal or bird that barks, bays, cries, or squawks continuously for 10 minutes or intermittently for 30 minutes or more, thereby causing a noise disturbance within a receiving property, is unlawful, unless the animal was provoked by trespassing.. To report a barking dog, contact animal control at (302) 255-4646 or the police non-emergency line.

When can construction work start in Wilmington?

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Wilmington's construction noise rules: Operating equipment for construction, drilling, or demolition work is generally prohibited between 10 PM and 7 AM on weekdays and Saturdays, and at any time on Sundays or holidays, if it creates a noise disturbance in a residential area. Lawn maintenance equipment is restricted between 9 PM and 7 AM.. Violations can be reported to code enforcement, which can issue stop-work orders for unpermitted or off-hours construction.

Are there rules about loud music in Wilmington?

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Yes. Wilmington's ordinance: Operating radios, televisions, musical instruments, sound amplifiers, or similar devices in a manner that creates a noise disturbance within a receiving property, is plainly audible across real property boundaries or through common partitions, or plainly audible at a distance of 50 feet from a motor vehicle, is prohibited. More permits are required for outdoor events with amplified music if noise levels exceed maximum limits. Selling perishable goods from a motor vehicle with amplified sound is restricted between 9 PM and 7 AM (June 1-August 31) and between 8 PM and 7 AM (September 1-May 31).. Music exceeding residential decibel limits or plainly audible across property lines during quiet hours is a citable violation.

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