Decibel Limits: Anaheim vs Santa Ana
How do decibel limits rules compare between Anaheim, CA and Santa Ana, CA?
Santa Ana 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 →Santa Ana, CA
Orange County
Santa Ana establishes quantitative noise limits under SAMC Chapter 18, Article VI (Noise Control). Exterior residential limits are 55 dBA daytime (7 AM-10 PM) and 50 dBA nighttime (10 PM-7 AM), with a 5 dB penalty for impact noise, music, or simple tones.
View full Santa Ana rules →Key Facts Comparison
| Fact | Anaheim | Santa Ana |
|---|---|---|
| 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 (7AM-10PM) | - | 55 dBA exterior |
| Residential Night (10PM-7AM) | - | 50 dBA exterior |
| Interior Standard | - | 45 dBA all times |
| Music/Tone Correction | - | -5 dB from standard |
| Code Section | - | SAMC §18-312, §18-313 |
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.
Santa Ana FAQ
What are the noise limits in Santa Ana?
Residential exterior limits are 55 dBA from 7 AM to 10 PM and 50 dBA from 10 PM to 7 AM. Interior limits are 45 dBA at all times. Music or tonal noise gets a 5 dB stricter standard.
How is noise measured in Santa Ana?
Noise is measured at the property line of the receiving property using A-weighted sound level meters meeting ANSI specifications per SAMC Section 18-312.
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