Gaithersburg, MD Quiet Hours & Noise Laws [2026]
When are quiet hours in Gaithersburg, MD?
| Regulation | Details for Gaithersburg, MD |
|---|---|
| Quiet Hours | 9PM-7AM (weekdays), 9PM-9AM (weekends/holidays) |
| Weekends | See specific hours above |
| Enforcement | Police Non-Emergency: Montgomery County Police Non-Emergency: 301-279-8000; Gaithersburg Police Department: 301-258-6400 |
9 PM to 7 AM (weekdays), 9 PM to 9 AM (weekends and holidays)
Strict noise limits typically apply during these times.
Gaithersburg, MD Noise Rules
What is the noise ordinance in Gaithersburg, MD?
Gaithersburg, MD, adheres to the Montgomery County Noise Control Law (Chapter 31B). This ordinance prohibits noise disturbances, with quiet hours generally from 9 PM to 7 AM on weekdays and 9 PM to 9 AM on weekends/holidays, during which noise cannot exceed 55 dBA at residential property lines. Construction noise is capped at 75 dBA.
Decibel Limit Comparison
| Zone Type | Day | Night |
|---|---|---|
| Residential | Not specified (general noise disturbance prohibited) | 55 dBA at receiving property line |
| Commercial | Not specified | Not specified |
Note: Montgomery County's noise control law establishes a 55 dBA limit at the residential receiving property line during quiet hours. For amplified sound, 55 dBA is the limit at the receiving property line in a residential zone. A 'noise disturbance' is unlawful at any time.
Specific Restrictions
- Construction:
Construction noise must not exceed 75 dBA. Higher decibel levels may be permitted under an approved Noise Suppression Plan.
- Amplified Sound:
Operating a radio, television, or other electronic sound-producing device is unlawful if the sound exceeds 55 dBA at the receiving property line in a residential noise zone.
- Animals:
Allowing an animal to create a noise disturbance is illegal. For nuisance complaints such as barking dogs, call 301-279-8000 and press 2.
- Vehicles:
Noises associated with motorized vehicles on public roadways are regulated under the State Motor Vehicle Code by the Police, and are not subject to enforcement under the Montgomery County Noise Control Law.
Frequently Asked Questions about Gaithersburg, MD Noise Rules
What are the designated quiet hours in Gaithersburg, MD?
9 PM to 7 AM (weekdays), 9 PM to 9 AM (weekends and holidays). Generally, during these hours, noise should be kept to a minimum to avoid disturbing neighbors.
How loud can I play music in Gaithersburg, MD?
Residential areas typically have a limit of Not specified (general noise disturbance prohibited) during the day and 55 dBA at receiving property line at night. Excessive vibration or bass that is plainly audible at the property line may also be a violation.
Who do I contact to report a noise violation in Gaithersburg, MD?
For non-emergency noise complaints, contact the Gaithersburg, MD police non-emergency line at Montgomery County Police Non-Emergency: 301-279-8000; Gaithersburg Police Department: 301-258-6400. For ongoing issues like construction or animal noise, you can also contact Code Enforcement at Planning & Code Administration: 301-258-6330; Neighborhood Services Division: 301-258-6340.