Quiet Hours: 9 PM to 7 AM for building operations in residential areas.
Residential Decibel Limit: Not specified (Day) / Not specified (Night)
Summary: Rock Hill, SC noise ordinances, specifically Code of Ordinances §20-161, prohibit unreasonably loud or disturbing noises that endanger comfort, repose, health, peace, or safety. Building operations with loud machinery are restricted between 9 PM and 7 AM in residential areas. Violations can lead to municipal court summons with potential fines up to $1087.50 or 30 days imprisonment. The Police Department enforces a zero-tolerance policy.