Dark Sky Rules: Bonsall vs Escondido
How do dark sky rules rules compare between Bonsall, CA and Escondido, CA?
Bonsall and Escondido have similar restriction levels.
Bonsall, CA
San Diego County
San Diego County's Light Pollution Code (LPC) minimizes light pollution to protect the Palomar and Mount Laguna observatories and the night environment. Three lighting zones with different restrictions. Fully shielded fixtures required. Limits on illumination levels.
View full Bonsall rules →Escondido, CA
San Diego County
Art. 35 minimizes glare/sky glow for Palomar Observatory. CCT 3,000K max. Certain fixtures off by 11 PM. Shielded under 4,050 lumens exempt.
View full Escondido rules →Key Facts Comparison
| Fact | Bonsall | Escondido |
|---|---|---|
| Purpose | Protect Palomar/Mt. Laguna observatories | - |
| Zones | A (most restrictive), B, C | - |
| Fixtures | Fully shielded required | - |
| Mercury Vapor | Prohibited | - |
| Code | County Light Pollution Code (LPC) | Art. 35 |
| Max CCT | - | 3,000K |
| Curfew | - | Off by 11 PM |
| Exempt | - | Shielded <4,050 lumens |
| Observatory | - | Palomar (~45 mi NE) |
Highlighted rows indicate differences between cities.
Bonsall FAQ
What is the San Diego County Dark Sky ordinance?
The Light Pollution Code minimizes light pollution to protect the Palomar and Mount Laguna observatories. It establishes three zones with different lighting restrictions based on proximity to observatories.
What kind of outdoor lights can I install?
All outdoor lights must be fully shielded to prevent direct upward light emission. Mercury vapor lamps are prohibited. Low-pressure sodium and LED fixtures with proper shielding are recommended.
Does the dark sky ordinance apply to my holiday lights?
The LPC applies to all outdoor lighting. Holiday displays should minimize light trespass to neighboring properties and not emit significant upward light, especially in Zone A near observatories.
Escondido FAQ
Dark sky rules?
Yes. CCT 3,000K or less, protecting Palomar Observatory.
Lights off when?
Certain fixtures by 11 PM.
Existing lights?
Grandfathered unless 50%+ being replaced.
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