Noise Rules: Costa Mesa vs Santa Ana
How do noise rules rules compare between Costa Mesa, CA and Santa Ana, CA?
Costa Mesa and Santa Ana have similar restriction levels.
Costa Mesa, CA
Orange County
Short-term rentals are prohibited citywide in Costa Mesa, so no STR-specific noise rules exist. The general noise control ordinance in CMMC Chapter XIII applies to all residential properties including those where illegal STR activity is suspected.
View full Costa Mesa rules →Santa Ana, CA
Orange County
Short-term rentals are banned in Santa Ana, so STR-specific noise rules are moot. All properties remain subject to SAMC Chapter 18, Article VI general noise standards: 55 dBA daytime and 50 dBA nighttime at residential property lines.
View full Santa Ana rules →Key Facts Comparison
| Fact | Costa Mesa | Santa Ana |
|---|---|---|
| STR Status | Banned citywide | Banned — no STR noise rules needed |
| STR Noise Rules | None — activity prohibited | - |
| General Noise | CMMC Ch. XIII applies to all | - |
| Report | PD (714) 754-5252 or Code Enforcement | - |
| General Day Limit | - | 55 dBA (SAMC §18-312) |
| General Night Limit | - | 50 dBA (10 PM-7 AM) |
| Party Noise | - | Enforceable under §18-308 |
| STR Ban Motivation | - | Partly due to noise complaints |
Highlighted rows indicate differences between cities.
Costa Mesa FAQ
Are there noise rules for short-term rentals in Costa Mesa?
No STR-specific noise rules exist because short-term rentals are banned. The general noise ordinance in CMMC Chapter XIII applies to all residential properties.
How do I report noise from a suspected illegal rental?
Contact Costa Mesa PD at (714) 754-5252 for immediate disturbances. Report the suspected illegal rental to Code Enforcement separately.
Santa Ana FAQ
Are there special noise rules for short-term rentals in Santa Ana?
No, because short-term rentals are completely banned. All properties are subject to the general noise standards of 55 dBA daytime and 50 dBA nighttime.
What if an unauthorized STR is causing noise?
Report both the noise violation and the illegal STR operation to Code Enforcement at (714) 647-5343. Both are separately enforceable violations.
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