Lancaster, CA Outdoor Lighting: Light Trespass & Shielding (2026)
Key Facts
- General standard
- Lighting directed away from neighbors, no glare
- Multi-unit property-line cap
- 1.1 lumens/sq meter, 10 ft beyond line
- Non-residential adjacency cap
- 5.4 lumens per square meter
- Shielding trigger
- Fixtures over 900 lumens need full cut-off shield
- Pedestrian lighting
- 2 to 3 foot-candles on-site walkways
Summary
Lancaster requires all outdoor lighting to be directed away from adjacent properties and designed to prevent glare under Municipal Code Section 17.08.140. For larger residential (5+ unit) and mixed-use projects, Section 17.41.086 sets a numeric ceiling: light spilling onto a property line cannot exceed 1.1 lumens per square meter 10 feet beyond the line, or 5.4 lumens next to non-residential land.
A.Outdoor Lighting in General....3.Lighting used to illuminate the premises shall be directed away from adjacent properties.4.Lighting shall be designed and located in a manner that prevents glare onto adjacent properties....5.Maximum lighting levels at property lines shall not increase lighting level more than 1.1 lumens/square meter 10 feet beyond the property line or 5.4 lumens/square meter adjacent to non-residentially zoned property or public rights-of-way.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 10 - 2025).
Full Breakdown
140 applies citywide to exterior lighting on any developed site and requires that fixtures be part of the architectural concept, placed to provide adequate illumination for security, directed away from adjacent properties, and designed to prevent glare onto neighboring land. The section does not set a photometric limit for ordinary single-family or small-scale development; instead it relies on the direction-and-glare standard, enforced at site-plan review when a project is permitted. 4 lumens per square meter where the adjacent land is non-residentially zoned or a public right-of-way.
Fixtures over 900 lumens, roughly a 60-watt incandescent bulb, must be shielded with a full cut-off style fixture angled no more than 90 degrees to cut glare and diffusion onto neighboring property. Lighting also cannot blink, flash, or change color.
Violations & Fines
A lighting plan or installed fixture that fails the direction-and-glare standard in Section 17.08.140 or exceeds the property-line lumen caps in Section 17.41.086(B)(5) is a zoning code violation, correctable through the site-plan or building-permit review process. Continued noncompliance falls under the citywide Section 1.12.020 penalty schedule: infraction fines up to $500 or misdemeanor fines up to $1,000 and six months in jail, per day of violation.
Frequently Asked Questions
Does Lancaster limit how bright my outdoor lights can be at the property line?
What outdoor light fixtures need to be shielded in Lancaster?
Can outdoor lighting on my property flash or change color in Lancaster?
Sources & Official References
Other rules in Lancaster
California rules heatmap·Compare Lancaster to another location·View the California outdoor lighting overview
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