Leaf Blower Rules: Altadena vs Downey
How do leaf blower rules rules compare between Altadena, CA and Downey, CA?
Altadena and Downey have similar restriction levels.
Altadena, CA
Los Angeles County
LA County does not have a county-wide gas leaf-blower ban, but operation is subject to the Ch. 12.08 dB limits and construction-hours rules (7 a.m.–8 p.m. weekdays).
View full Altadena rules →Downey, CA
Los Angeles County
Downey regulates leaf blower noise under its general noise ordinance. Gas-powered leaf blowers must comply with the 85 dBA construction equipment limit and operate only during permitted hours.
View full Downey rules →Key Facts Comparison
| Fact | Altadena | Downey |
|---|---|---|
| Code Section | LA County Code 12.08.440 | - |
| Permitted Hours | 7 a.m. – 8 p.m. M-F | - |
| Residential dB Cap | 50 dBA daytime / 45 dBA night | - |
| Gas Blower Ban | None at county level | - |
| Noise Limit | - | 85 dBA at property line |
| Allowed Hours | - | 7 AM - 10 PM |
| Gas Blowers | - | Not separately banned |
| State Law | - | CA noise authority per H&S 46000 |
Highlighted rows indicate differences between cities.
Altadena FAQ
Are gas leaf blowers banned in Altadena?
Not at the county level. LA County restricts hours and noise but does not ban gas leaf blowers in unincorporated areas.
Downey FAQ
When can I use a leaf blower in Downey?
Leaf blowers should be used during construction-permitted hours (7 AM–9 PM) and must comply with noise level standards. Noise must not exceed limits at property boundaries.
Is there a decibel limit for lawn equipment?
General noise standards apply under Section 4606.3. Construction-type equipment is specifically limited to 85 dB(A) at property lines.
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