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πŸ’‘ Outdoor Lighting/Dark Sky Rules

Dark Sky Rules: Costa Mesa vs Orange

How do dark sky rules rules compare between Costa Mesa, CA and Orange, CA?

Costa Mesa and Orange have similar restriction levels.

Costa Mesa, CA

Orange County

Some Restrictions

Costa Mesa regulates outdoor lighting through its zoning and development standards to minimize light pollution, glare, and impacts on neighboring properties. While the city does not have a standalone dark sky ordinance, new development must comply with lighting standards including shielding requirements and California Title 24 energy efficiency standards for outdoor lighting.

View full Costa Mesa rules β†’

Orange, CA

Orange County

Some Restrictions

The City of Orange regulates outdoor lighting through OMC Title 17 zoning standards and the California Building Code. While Orange does not have a standalone dark sky ordinance, lighting must be directed downward and may not create glare or light trespass onto neighboring properties.

View full Orange rules β†’

Key Facts Comparison

FactCosta MesaOrange
Standalone Dark Sky OrdinanceNo-
Shielding RequiredNew construction/remodels-
State StandardsCA Title 24 applies-
Nuisance StandardTitle 20 applies-
Code Enforcement(714) 754-5623-
Dark Sky Ordinance-No standalone ordinance
Shielding-Required for new development
Light Trespass-Prohibited onto neighbors
Code Reference-OMC Title 17, CBC Title 24

Highlighted rows indicate differences between cities.

Costa Mesa FAQ

Does Costa Mesa have a dark sky ordinance?

Costa Mesa does not have a standalone dark sky ordinance. However, outdoor lighting on new development must comply with shielding and directionality requirements in the zoning code, and California Title 24 energy efficiency standards apply to all outdoor lighting installations.

Can I complain about a neighbor's bright lights in Costa Mesa?

Yes. Outdoor lighting that unreasonably disturbs neighbors may constitute a nuisance under Title 20 of the Municipal Code. Contact Code Enforcement at (714) 754-5623 to file a complaint.

What lighting standards apply to new construction in Costa Mesa?

New development must use shielded, downward-directed fixtures that do not create glare or shine onto adjacent properties. All installations must comply with California Title 24 Building Energy Efficiency Standards for maximum wattage and efficiency.

Orange FAQ

Does Orange have a dark sky ordinance?

Not a standalone one, but outdoor lighting must comply with California Building Code Title 24 shielding requirements and may not create light trespass onto neighbors.

Can I complain about a neighbor's bright lights?

Yes. Light trespass that unreasonably illuminates your property can be reported to Code Enforcement at (714) 744-5555.

Compare other topics

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