Quiet Hours: San Diego vs San Marcos
How do quiet hours rules compare between San Diego, CA and San Marcos, CA?
San Marcos has fewer restrictions than San Diego.
San Diego, CA
San Diego County
San Diego enforces quantitative sound level limits under SDMC Chapter 5, Article 9.5, Division 4. Residential one-hour average limits: 50 dBA daytime (7 AM-7 PM), 45 dBA evening (7-10 PM), 40 dBA nighttime (10 PM-7 AM). Amplified sound audible beyond 50 feet is prohibited during nighttime hours.
View full San Diego rules →San Marcos, CA
San Diego County
San Marcos enforces quiet hours from 10 PM to 7 AM on weekdays and 11 PM to 7 AM on weekends under Municipal Code Chapter 10.24. Noise that constitutes a nuisance is prohibited at any time. The San Diego County Sheriff's Department handles noise complaints for this contract city.
View full San Marcos rules →Key Facts Comparison
| Fact | San Diego | San Marcos |
|---|---|---|
| Quiet Hours | 10 PM-7 AM (8 AM weekends) | - |
| Day Limit | 50 dBA (one-hour avg) | - |
| Evening Limit | 45 dBA (7-10 PM) | - |
| Night Limit | 40 dBA (10 PM-7 AM) | - |
| Code Section | SDMC 59.5.0401 | Chapter 10.24 |
| Weekday Quiet Hours | - | 10 PM – 7 AM |
| Weekend Quiet Hours | - | 11 PM – 7 AM |
| Sheriff Non-Emergency | - | (760) 510-5200 |
| Code Enforcement | - | (760) 744-1050 x3234 |
Highlighted rows indicate differences between cities.
San Diego FAQ
What are San Diego's quiet hours?
10 PM to 7 AM weekdays, 10 PM to 8 AM weekends and holidays. During these hours, amplified sound audible beyond 50 feet from the source is prohibited.
What are the residential decibel limits?
50 dBA daytime (7 AM-7 PM), 45 dBA evening (7-10 PM), and 40 dBA nighttime (10 PM-7 AM), measured as one-hour averages under SDMC 59.5.0401.
How do I file a noise complaint?
Contact the San Diego Police Department non-emergency line at (619) 531-2000 or file a Code Enforcement complaint online at sandiego.gov.
San Marcos FAQ
What are the quiet hours in San Marcos CA?
Quiet hours in San Marcos are 10 PM to 7 AM on weekdays (Monday through Friday) and 11 PM to 7 AM on weekends, per Municipal Code Chapter 10.24. Noise that constitutes a nuisance is prohibited at any time of day.
Who do I call for a noise complaint in San Marcos?
Call the San Diego County Sheriff non-emergency line at (760) 510-5200 for after-hours noise complaints. During business hours, contact Code Enforcement at (760) 744-1050 x3234.
Can I be fined for noise during the day in San Marcos?
Yes. While quiet hours apply at night, noise at any time that unreasonably disturbs the peace of neighbors can be cited as a nuisance under Chapter 10.24 of the San Marcos Municipal Code.
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