Quiet Hours: Generally, 10:00 PM to 7:00 AM for construction activities and 10:00 PM to 6:00 AM for handling materials outdoors to create a noise disturbance.
Residential Decibel Limit: Not specified (Day) / Not specified (Night)
Summary: Iowa City, IA noise ordinances, primarily governed by City Code 8-5-2 (Nuisance Ordinance), prohibit loud, disturbing, or unreasonable noises, especially if plainly audible across residential property lines. Quiet hours for activities like handling materials and construction are generally 10 PM to 7 AM, requiring a permit outside these times. Amplified sound is restricted if plainly audible across property boundaries. Violations can lead to police intervention and nuisance property actions.