Noise Ordinance

Noise Violation


Any sound that exceeds sound level limits as listed in the chart at the bottom of this page.

When to Request a Noise Violation Investigation


When excessive noise and disturbing sounds are a serious hazard to the public health, welfare, safety and the quality of life.

Requesting a Noise Violation Investigation
  • Sound level readings will be measured at or within the real property line of the receiving property.
  • During normal business hours: Monday - Friday 7 a.m. - 4 p.m.
    • Contact the Code Enforcement Department at 770-794-5439
  • After normal business hours, or on weekends
    • Contact the Marietta Police Department's non-emergency number (770-499-3911) to have an officer dispatched

Information Needed for Notification


  • Address of violator
  • Type of noise violation
  • Time(s) and dates of violations and/or a violation log

Sound Level Limits by Receiving Property

Receiving Property Category
Time Sound Level Limit (dBA)
Sound Level Limit (dBC)
Commercial, Business, Residential, Public Space,
Institutional, or Noise-Sensitive Facility
7 am. - 11 p.m.
65 84
Commercial, Business, Residential, Public Space,
Institutional, or Noise-Sensitive Facility
11 p.m. - 7 a.m. 60 79
Industrial or Manufacturing
At all times
70 89