Noise Rules: Altadena vs Downey
How do noise rules rules compare between Altadena, CA and Downey, CA?
Altadena and Downey have similar restriction levels.
Altadena, CA
Los Angeles County
STRs may not adversely affect neighborhood character via noise, vibration, glare, odors, or other nuisance under LA County Code Section 7.96.060.L; underlying noise limits in Ch. 12.08 still apply.
View full Altadena rules →Downey, CA
Los Angeles County
STR guests must comply with Downey's general noise ordinance. Noise exceeding ambient +5 dBA at the property line is prohibited, with stricter limits during quiet hours (10 PM - 7 AM).
View full Downey rules →Key Facts Comparison
| Fact | Altadena | Downey |
|---|---|---|
| Code Section | LA County 7.96.060.L–M | - |
| 24/7 Contact Required | Yes (7.96.070.A) | - |
| Quiet Hours | 10 p.m. – 7 a.m. (Ch. 12.08) | 10 PM - 7 AM |
| Parties | Banned | - |
| Standard | - | Ambient +5 dBA limit |
| Party Noise | - | Subject to nuisance enforcement |
| Complaints | - | Code Enforcement / Police |
Highlighted rows indicate differences between cities.
Altadena FAQ
Are parties allowed at Altadena STRs?
No. Section 7.96.060.M expressly bans parties, commercial events, banquets, and any gathering with an admission fee or advertised on social media.
Downey FAQ
What noise rules apply to short-term rentals in Downey?
STR guests must comply with Downey's general noise ordinance. Noise exceeding ambient +5 dBA at the property line is prohibited, with stricter limits during quiet hours (10 PM - 7 AM).
What are the quiet hours for Airbnb guests in Downey?
Quiet Hours: 10 PM - 7 AM. Standard: Ambient +5 dBA limit. Party Noise: Subject to nuisance enforcement. Complaints: Code Enforcement / Police.
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