Noise Ordinances in Rockville, MD (2026)
9 verified noise ordinances for Rockville, Maryland, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
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.
Rockville Quiet Hours and Noise Restrictions
Some RestrictionsConstruction Hours
Construction noise in Rockville is permitted 7 AM to 7 PM weekdays and 9 AM to 5 PM weekends under MoCo Code Section 31B-6. Nighttime deliveries are prohibited in residential areas.
Rockville Construction Noise Hours
Some RestrictionsBarking Dogs
Rockville's animal control ordinance (Chapter 3) prohibits nuisance animal noise. Owners must prevent dogs from causing persistent noise that disturbs neighbors. Consistent with Montgomery County Chapter 5; $100 fine for noise violations.
Rockville Barking Dog Regulations
Some RestrictionsLeaf Blower Rules
Montgomery County banned gas-powered leaf blowers under Bill 18-22. Sales banned July 2024, all use banned July 2025. Violations carry a $500 citation.
Rockville Leaf Blower Regulations
Heavy RestrictionsAmplified Music & Events
Amplified sound in Rockville must not exceed 60 dBA between 10 PM and 7 AM. Events exceeding standard limits need a noise permit from MoCo DEP. Fines range $100 to $500.
Rockville Amplified Music and Sound Regulations
Some RestrictionsAircraft Noise
Rockville sits between Reagan National and BWI but is outside both noise zones. Aircraft noise is federally regulated. The Maryland Environmental Noise Act of 1974 governs airport zones.
Rockville Aircraft Noise Information
Few RestrictionsIndustrial Noise
Industrial noise in Rockville is regulated under MoCo Code Chapter 31B. Industrial limits are 75 dBA day, 70 dBA night. Equipment running 24 hours must meet the nighttime standard.
Rockville Industrial and Commercial Noise Limits
Some RestrictionsDecibel Limits
MoCo Code Chapter 31B sets decibel limits by zone in Rockville. Residential: 65/55 dBA day/night. Commercial: 67/62 dBA. Industrial: 75/70 dBA.
Rockville Decibel Limits by Zone
Some RestrictionsOutdoor Music
Outdoor music in Rockville must stay below 65 dBA daytime and 55 dBA nighttime at the nearest residence. Events at Town Square require city coordination and a noise waiver.
Rockville Outdoor Music Regulations
Some RestrictionsLooking for Montgomery County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rockville city rules.
Noise Ordinances in Montgomery County →