Dark Sky Rules: Rancho Cucamonga vs Victorville
How do dark sky rules rules compare between Rancho Cucamonga, CA and Victorville, CA?
Rancho Cucamonga and Victorville have similar restriction levels.
Rancho Cucamonga, CA
San Bernardino County
Rancho Cucamonga Development Code Section 17.58 requires shielded, full-cutoff outdoor lighting to minimize glare and skyglow. New installations must direct light downward onto the subject property.
View full Rancho Cucamonga rules →Victorville, CA
San Bernardino County
Victorville Municipal Code Title 17 requires shielded, downward-directed exterior lighting. Nearby desert astronomy and SCLA airport approaches favor low light pollution. LED color temperatures limited.
View full Victorville rules →Key Facts Comparison
| Fact | Rancho Cucamonga | Victorville |
|---|---|---|
| Code section | RCMC 17.58 | - |
| Fixture type | Full-cutoff shielded | - |
| Color temperature | 3000K or lower | - |
| Boundary limit | 0.5 foot-candles | - |
| Contact | (909) 477-2750 | - |
| Shielding | - | Full-cutoff fixtures required |
| Color temp | - | 3000K or warmer recommended |
| Direction | - | Downward-directed only |
| Commercial timers | - | Photocell/timer controls |
| Airport concern | - | SCLA approach visibility |
Highlighted rows indicate differences between cities.
Rancho Cucamonga FAQ
Can I install a standard floodlight above my garage?
Only if it is fully shielded and directs light downward; unshielded floodlights typically violate the ordinance.
Are holiday lights subject to the dark sky rules?
Temporary holiday lighting is exempt between November 1 and January 15 each year.
Victorville FAQ
Are string lights in my backyard allowed?
Low-intensity decorative lights are generally allowed; avoid bright floodlights directed toward neighbors or skyward.
Can my porch light be a bare bulb?
Exposed bulbs are discouraged; shielded fixtures are preferred to reduce glare and light trespass.
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