Palmdale vs Pasadena
How do billboard lighting rules compare between Palmdale, CA and Pasadena, CA?
Palmdale and Pasadena have similar restriction levels.
Palmdale, CA
Los Angeles County
Title 22.140.385 of the LA County Code limits billboard illumination in unincorporated areas to 0.3 foot-candles above ambient measured at the property line, requires full cutoff fixtures aimed downward, and bans upward light spill into the night sky.
View full Palmdale rules →Pasadena, CA
Los Angeles County
Title 22.140.385 of the LA County Code limits billboard illumination in unincorporated areas to 0.3 foot-candles above ambient measured at the property line, requires full cutoff fixtures aimed downward, and bans upward light spill into the night sky.
View full Pasadena rules →Key Facts Comparison
| Fact | Palmdale | Pasadena |
|---|---|---|
| Property line cap | 0.3 foot-candles above ambient | 0.3 foot-candles above ambient |
| Sign face max | 30 vertical foot-candles | 30 vertical foot-candles |
| Fixture standard | Full cutoff, downward only | Full cutoff, downward only |
| Late-night dimming | Required after 11pm | Required after 11pm |
| Hillside areas | Stricter Title 22.140.380 rules | Stricter Title 22.140.380 rules |
Highlighted rows indicate differences between cities.
Palmdale FAQ
Does my neighbor's billboard have to dim at night?
Yes if within 500 feet of residential zones. Title 22.140.385 requires illuminated signs near homes to reduce to dark-sky brightness between 11pm and 6am. Report violations to County Code Enforcement.
How is illumination measured?
Building and Safety inspectors use a calibrated foot-candle meter at the property line and on the sign face after sunset. Readings above the 0.3 foot-candle property-line cap or 30 foot-candle face cap trigger citations.
Pasadena FAQ
Does my neighbor's billboard have to dim at night?
Yes if within 500 feet of residential zones. Title 22.140.385 requires illuminated signs near homes to reduce to dark-sky brightness between 11pm and 6am. Report violations to County Code Enforcement.
How is illumination measured?
Building and Safety inspectors use a calibrated foot-candle meter at the property line and on the sign face after sunset. Readings above the 0.3 foot-candle property-line cap or 30 foot-candle face cap trigger citations.
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