Quiet Hours: Gaithersburg vs Rockville
How do quiet hours rules compare between Gaithersburg, MD and Rockville, MD?
Gaithersburg and Rockville have similar restriction levels.
Gaithersburg, MD
Montgomery County
Gaithersburg enforces noise regulations under City Code Chapter 15 and Montgomery County Code Chapter 31B. Noise that is plainly audible beyond property boundaries during nighttime hours may result in violations. The city follows county-level enforcement standards with additional municipal protections for residential zones.
View full Gaithersburg rules →Rockville, MD
Montgomery County
Rockville enforces noise limits under MoCo Code Chapter 31B. Daytime runs 7 AM to 9 PM weekdays, 9 AM to 9 PM weekends. Nighttime limit is 55 dBA at residential property lines.
View full Rockville rules →Key Facts Comparison
| Fact | Gaithersburg | Rockville |
|---|---|---|
| City Code | Chapter 15 – Noise | - |
| County Code | MoCo Ch 31B | - |
| Night Hours | 9 PM–7 AM weekdays | - |
| Weekend Night | 9 PM–9 AM | - |
| Residential Limit | 55 dBA nighttime | - |
| Code | - | MoCo Chapter 31B |
| Daytime | - | 7 AM-9 PM weekdays |
| Weekend Daytime | - | 9 AM-9 PM |
| Night Limit | - | 55 dBA residential |
| Day Limit | - | 65 dBA residential |
Highlighted rows indicate differences between cities.
Gaithersburg FAQ
What are quiet hours in Gaithersburg?
Nighttime quiet hours run from 9 PM to 7 AM on weekdays and 9 PM to 9 AM on weekends and holidays. Stricter decibel limits apply during these periods under Montgomery County Code Chapter 31B.
Who handles noise complaints in Gaithersburg?
Contact the Gaithersburg non-emergency line at (301) 258-6400 for city enforcement. Montgomery County Department of Environmental Protection also handles noise complaints under county code.
Rockville FAQ
What are the quiet hours in Rockville?
Nighttime quiet hours run 9 PM to 7 AM on weekdays and 9 PM to 9 AM on weekends and holidays. The maximum noise level at a residential property line drops to 55 dBA during these hours.
How do I file a noise complaint in Rockville?
Contact the Montgomery County Department of Environmental Protection Noise Control Program online or by calling MC311 at 311 or 240-777-0311. The DEP investigates complaints and can issue citations.
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