Light Trespass: Green Valley vs Oro Valley
How do light trespass rules compare between Green Valley, AZ and Oro Valley, AZ?
Green Valley and Oro Valley have similar restriction levels.
Green Valley, AZ
Pima County
Pima County Outdoor Lighting Code prohibits light trespass from outdoor fixtures onto adjacent properties. All fixtures must be fully shielded and directed downward to prevent spill onto neighboring parcels. Complaints about light trespass are handled through county code enforcement with particular rigor near the Kitt Peak Observatory buffer zone.
View full Green Valley rules →Oro Valley, AZ
Pima County
Oro Valley prohibits light trespass onto adjacent property, setting a 0.1 foot-candle limit at residential property lines. All fixtures must direct light downward within property boundaries.
View full Oro Valley rules →Key Facts Comparison
| Fact | Green Valley | Oro Valley |
|---|---|---|
| Property Line Limit | 0.5 footcandles max | 0.1 foot-candles (residential) |
| Shielding | Full-cutoff required | - |
| Direction | Downward aim only | - |
| Compliance Window | 30 days after notice | - |
| Enforcement | County Code Enforcement | Complaint-based with inspections |
| Fixture Requirement | - | Full-cutoff, aimed within property |
| Measurement Method | - | Light meter at property line |
| Compliance Period | - | 15-30 days after notice |
Highlighted rows indicate differences between cities.
Green Valley FAQ
What is light trespass and is it regulated in Pima County?
Light trespass is light from an outdoor fixture spilling onto an adjacent property. Pima County strictly regulates it under the Outdoor Lighting Code. All fixtures must be fully shielded and aimed downward, with light at the property line not exceeding 0.5 footcandles in residential zones.
How do I report light trespass in Pima County?
File a complaint with Pima County Code Enforcement at 520-724-9000 or through the online portal. An inspector will evaluate the offending fixture and issue a notice of violation if it fails to meet the Outdoor Lighting Code requirements.
Oro Valley FAQ
My neighbor's lights shine into my bedroom -- what can I do?
File a complaint with Oro Valley code enforcement. The Town enforces a 0.1 foot-candle limit at residential property lines. An inspector will measure light levels and require the neighbor to correct any violation within 15 to 30 days.
Do I need to worry about my porch light causing trespass?
Yes. All exterior fixtures, including porch lights, must be full-cutoff and aimed so light does not spill onto neighboring property. A shielded, downward-facing fixture at 3000K or lower will typically comply.
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