Quiet Hours: El Cajon vs San Diego
How do quiet hours rules compare between El Cajon, CA and San Diego, CA?
El Cajon has fewer restrictions than San Diego.
El Cajon, CA
San Diego County
El Cajon regulates noise under Municipal Code Chapter 9.44 using a reasonableness standard rather than specific decibel limits. Equipment and construction noise is prohibited between 7 PM and 7 AM within residential zones or 500 feet of them.
View full El Cajon rules →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 →Key Facts Comparison
| Fact | El Cajon | San Diego |
|---|---|---|
| Standard | Reasonableness (no dB) | - |
| Equipment Ban | 7 PM-7 AM residential | - |
| Buffer | 500 ft from residential | - |
| Code | ECMC Ch. 9.44 | - |
| 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 |
Highlighted rows indicate differences between cities.
El Cajon FAQ
What are the quiet hours in El Cajon?
El Cajon regulates noise under Municipal Code Chapter 9.44 using a reasonableness standard rather than specific decibel limits. Equipment and construction noise is prohibited between 7 PM and 7 AM within residential zones or 500 feet of them.
What happens if I violate the noise ordinance in El Cajon?
Standard: Reasonableness (no dB). Equipment Ban: 7 PM-7 AM residential. Buffer: 500 ft from residential. Code: ECMC Ch. 9.44.
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.
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