Light Trespass: Altadena vs West Covina
How do light trespass rules compare between Altadena, CA and West Covina, CA?
Altadena and West Covina have similar restriction levels.
Altadena, CA
Los Angeles County
LA County Code Section 22.140.470 (Outdoor Lighting) requires all outdoor lighting to be shielded so that direct illumination does not cross the property line, with hard caps in residential zones.
View full Altadena rules →West Covina, CA
Los Angeles County
Light trespass in West Covina may be addressed under general nuisance provisions. New development lighting is reviewed by the Planning Division to prevent impacts on adjacent properties.
View full West Covina rules →Key Facts Comparison
| Fact | Altadena | West Covina |
|---|---|---|
| Code Section | LA County 22.140.470 | - |
| Property Line Limit | 0.5 foot-candle (residential) | - |
| Fixture Type | Fully shielded / cutoff | - |
| Holiday Exemption | Nov 15 – Jan 15 | - |
| Regulation | - | General nuisance code provisions |
| New Development | - | Lighting plan review required |
| Enforcement | - | Code Enforcement |
| Remedy | - | Nuisance complaint or civil action |
Highlighted rows indicate differences between cities.
Altadena FAQ
Can my neighbor's floodlight shine into my Altadena yard?
No — LA County Code 22.140.470 caps property-line illumination at 0.5 foot-candle and requires shielded fixtures. File a complaint with Code Enforcement.
West Covina FAQ
My neighbor's floodlight shines into my bedroom. What can I do?
File a light trespass complaint with West Covina code enforcement. Most codes require lights to be shielded and aimed so they don't illuminate neighboring properties.
Are holiday lights exempt from light trespass rules?
Temporary holiday displays are often exempt during the holiday season, typically November through January. However, they still cannot create a safety hazard.
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