Decibel Limits: Anaheim vs Costa Mesa
How do decibel limits rules compare between Anaheim, CA and Costa Mesa, CA?
Costa Mesa has fewer restrictions than Anaheim.
Anaheim, CA
Orange County
Anaheim limits stationary noise sources to 60 dBA at any property point under AMC Chapter 6.70. Evening and nighttime CNEL penalties of 5-10 dBA apply. Interior residential noise must not exceed 45 dBA CNEL.
View full Anaheim rules →Costa Mesa, CA
Orange County
Costa Mesa establishes specific decibel thresholds under CMMC Title 13 that vary by zoning district and time of day. Residential zones allow approximately 55 dBA daytime and 50 dBA nighttime, measured at the property line of the receiving property.
View full Costa Mesa rules →Key Facts Comparison
| Fact | Anaheim | Costa Mesa |
|---|---|---|
| Exterior Limit | 60 dBA at property | - |
| Interior Max | 45 dBA CNEL | - |
| Evening Penalty | +5 dBA (7-10 PM) | - |
| Code | AMC Ch. 6.70 | - |
| Residential Day | - | ~55 dBA (7 AM – 10 PM) |
| Residential Night | - | ~50 dBA (10 PM – 7 AM) |
| Measurement | - | At receiving property line |
| Code Section | - | CMMC §13-280 to §13-286 |
| Complaints | - | Code Enforcement (714) 754-5623 |
Highlighted rows indicate differences between cities.
Anaheim FAQ
What is Anaheim's noise limit?
60 dBA at any property point for stationary sources under AMC 6.70. Evening and nighttime CNEL penalties add 5-10 dBA to measured levels.
What is the interior noise standard?
45 dBA CNEL with windows closed for residential portions of mixed-use developments.
Costa Mesa FAQ
What is the noise limit for residential areas in Costa Mesa?
Residential zones allow approximately 55 dBA during daytime (7 AM to 10 PM) and 50 dBA during nighttime (10 PM to 7 AM) under CMMC Title 13.
How are noise violations measured in Costa Mesa?
Code Enforcement uses A-weighted sound level meters at the property line of the affected property. Adjustments apply for tonal or impulsive noise characteristics.
Are construction projects exempt from decibel limits?
Construction during permitted hours (7 AM to 7 PM weekdays, 9 AM to 6 PM Saturdays) is generally exempt from standard decibel limits.
Compare other topics
See how Anaheim and Costa Mesa compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool