Rohnert Park, CA Outdoor Lighting: Light Trespass & Shielding (2026)
Key Facts
- Governing section
- RPMC § 17.12.050
- Direction requirement
- shielded, directed downward at lot line
- Trigger
- visibility from adjoining residential district
- Sign lighting
- excluded, covered by sign ordinance
Summary
Rohnert Park requires all outdoor lighting to be shielded and directed downward at the lot line so it is not directly visible from an adjoining residential district, and bars any illumination that produces glare onto a public street or a neighboring parcel.
All lighting, reflective surfaces or any other sources of illumination shall be utilized in a manner that produces no glare on public streets or on any other parcel. Lights shall be of the minimum illumination necessary for a given application and shall be directed downward and shielded at lot lines so as not to be directly visible from an adjoining residential district. For regulations regarding the illumination of signage, please refer to the sign ordinance.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 51 Update 2).
Full Breakdown
12 that apply to every zoning district, states that all lighting, reflective surfaces, or any other sources of illumination must be used so they produce no glare on public streets or on any other parcel. The section further requires that lights be limited to the minimum illumination necessary for the application and be directed downward and shielded at the lot line so they are not directly visible from an adjoining residential district. That shielding-and-downward-direction standard is the operative light trespass rule: it targets fixtures whose beam or glow crosses onto a neighboring residential lot, not just overall brightness.
28. 020 makes the performance standards chapter applicable to all zoning districts, this shielding requirement reaches commercial, industrial and mixed-use lighting whenever it sits near a residential district boundary, including parking lot fixtures, building-mounted floodlights and landscape lighting, not just single-family backyard lights.
Violations & Fines
Lighting that produces glare onto a street or neighboring parcel, or that is not shielded and directed downward at a lot line abutting a residential district, is enforced through the city's zoning compliance and code enforcement process under Chapter 1.24. The planning and community development director can require a property owner to re-aim, shield, retrofit or remove noncompliant fixtures, and unresolved complaints can be referred for citation.
Frequently Asked Questions
Can a business's parking lot lights shine onto my house in Rohnert Park?
Does the lighting standard apply to residential yards too?
Are illuminated signs covered by the lighting and glare section?
Sources & Official References
Other rules in Rohnert Park
California rules heatmap·Compare Rohnert Park to another location·View the California outdoor lighting overview
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Light Trespass & Shielding in Nearby Cities
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