Noise from Specific Sources in Delaware (2026)
8 rules on the books across Delaware, 3 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
HVAC & Mechanical Noise
Noise limits for air conditioners, heat pumps, pool equipment, and other mechanical systems, including decibel thresholds measured at the property line.
Bar & Nightclub Noise
Noise regulations specific to bars, nightclubs, and entertainment venues, including bass frequency limits, soundproofing requirements, and complaint procedures.
Car Alarm Limits
Maximum duration for car alarms before they must auto-silence, penalties for repeated false alarms, and vehicle towing authority for chronic alarm violations.
Generator Noise
Rules for portable and standby generators, including permitted operating hours, decibel limits, and restrictions during non-emergency use.
Delivery Truck Noise
Time-of-day restrictions on commercial delivery trucks operating in residential zones, including back-up beepers, refrigeration units, and engine idling.
Kent County
Some RestrictionsKent County's noise ordinance bars loading, unloading or handling boxes, crates and containers in a residential…
Read full rule →New Castle County
Some RestrictionsNew Castle County bans loading and unloading noise between 10:00 p.m. and 7:00 a.m. in residential districts. County…
Read full rule →Wilmington
Some RestrictionsWilmington prohibits loading, unloading or handling boxes, crates, containers and cans between 10 p.m. and 7 a.m. in…
Read full rule →Low-Frequency Bass Limits
Special bass-frequency (≤125 Hz) sound limits for venues, including dB(C) measurement standards and how cities differentiate bass noise from baseline ambient.