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Redding, CA Outdoor Lighting: Dark Sky Rules (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Applies to
commercial, office and industrial development only
Shielding standard
bulb/tube not visible from adjacent property
Parking lighting
fully shielded, no spillover at property line
Floodlighting
discouraged; must block trespass and upward glare
Review stage
lighting plan required before building permit

Summary

Redding requires all exterior lighting on new commercial, office and industrial development to be shielded so the bulb or tube itself is never visible from an adjacent property or the public right-of-way. Parking-lot and building lighting must be fully shielded and directed downward, and floodlighting is discouraged unless shielded against light trespass. The rule sits in Section 18.40.090.

1.All exterior lights shall be designed, located, installed, directed and shielded in such a manner as to prevent objectionable light at, and glare across, the property lines. Exterior lighting shall be directed downward and away from adjacent properties and the public right-of-way. Shielded shall mean that the light rays are directed onto the site, and the light source—whether bulb or tube—is not visible from an adjacent property or rights-of-way.2.All parking area lighting, including building- and pole-mounted, shall be fully shielded so as to prevent light spillover at property lines.3.All building lighting, other than architectural lighting, shall be fully shielded, not allowing any upward distribution of light. Floodlighting is discouraged and, if used, must be shielded to prevent: (1) light trespass beyond the property line and (2) light above a ninety-degree, horizontal plane.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 48).

Full Breakdown

090 of the Redding Zoning Ordinance governs exterior lighting for commercial, office and industrial development citywide. Before a building permit is issued for new construction in these categories, the applicant must submit a lighting plan showing the location, size, height, orientation and design of every outdoor fixture, plus a detail drawing of the fixture type and wattage. The Development Services Department reviews that plan against three shielding standards. First, every exterior light must be designed, located, installed, directed and shielded so it does not create objectionable light or glare across a property line, and lighting must point downward and away from neighboring parcels and the street.

The code defines 'shielded' precisely: the light rays are directed onto the site, and the bulb or tube itself cannot be seen from an adjacent property or right-of-way. Second, all parking-area lighting, whether pole-mounted or building-mounted, must be fully shielded to stop spillover at the property line. Third, building-mounted lighting other than architectural accent lighting must be fully shielded with no upward light distribution at all; floodlighting is actively discouraged, and if a developer uses it anyway, it has to be shielded to prevent light from crossing the property line and from projecting above a ninety-degree horizontal plane.

090. Compliance is checked at the building-permit and site-development-permit stage, so a project cannot get through plan check with unshielded floodlights or pole fixtures that beam sideways onto neighboring parcels.

Violations & Fines

Lighting that fails to meet Section 18.40.090 is corrected through the building-permit and site development permit review process: Development Services can withhold approval or require a revised lighting plan before construction proceeds. Once installed, non-shielded fixtures causing glare or light trespass onto neighboring property can be pursued as a code violation and, if left uncorrected, escalate to the city's general nuisance-abatement remedies under Title 18.

Frequently Asked Questions

Does Redding require dark-sky shielding for house lights?
Section 18.40.090 targets commercial, office and industrial development, not single-family homes, so a homeowner's porch or yard light isn't reviewed under this shielding standard. Multi-family and nonresidential projects, however, must submit a lighting plan and meet the shielding rules before Development Services will sign off on a building permit.
What does 'shielded' mean under Redding's lighting code?
The code defines shielded lighting as fixtures where the light rays are directed onto the site itself and the bulb or tube is not visible from an adjacent property or the public right-of-way. That definition applies to exterior building lights, parking-lot fixtures and any floodlighting installed on commercial or industrial sites.
Can a business use floodlights on its property in Redding?
Floodlighting is discouraged under Section 18.40.090(B)(3), and if a business installs it anyway, the fixture must be shielded to keep light from crossing the property line and from shining above a ninety-degree horizontal plane. Unshielded floodlights aimed at neighboring parcels do not meet this standard.

Sources & Official References

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