- Using a loudspeaker or amplifier between 10 p.m. and 7 a.m.
- Making noise that can be plainly heard in another person’s home with the doors and windows closed 10 p.m.-7 a.m. Sunday through Thursday and 11 p.m.-7 a.m. on Friday, Saturday, and the day before a federal holiday.
- Operating a leaf blower between 9 p.m. and 7 a.m.
- Operating a lawn mower between 9 p.m. and 7 a.m. within 100 yards of a dwelling and between 9 p.m. and 6 a.m. 100 yards away from a dwelling.
- Fixing cars or mechanical devices outside between 9 p.m. and 7 a.m.
- Collecting trash or recycling within 100 yards of a residence 9 p.m.-6 a.m.
- Loading or unloading trucks outside within 100 yards of a residence 9 p.m.-6 a.m.
- Using dog parks Monday through Friday before 7 a.m. or after dusk or before 8 a.m. or after dusk on Saturday, Sunday, or the day before a federal holiday.
- Barking, howling, meowing, squawking, or quacking animals between 10 p.m. and 7 a.m. when it can be heard inside a home with the doors and windows closed or if these sounds can be heard 7 a.m.-10 p.m. for more than five minutes consecutively or non-consecutively during a 10-minute period.
To enforce the law, the county may seek civil and criminal penalties against violators, as well as court orders to prohibit current and future noise. Civil penalties start at $250, rising to $500 for subsequent offenses. Criminal convictions would be a misdemeanor.
To complain about noise, contact the Department of Code Compliance during work days, 703-324-1300. Call the non-emergency police number after 4 p.m., 703-691-2131.