Outdoor Lighting in Glenn County, CA (2026)

2 rules for unincorporated Glenn County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Glenn County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Dark Sky Rules

Glenn County does not have a dedicated 'dark sky' lighting ordinance, but Section 15.560.080 of the Unified Development Code (Performance Standards) requires all exterior lighting accessory to any use to be hooded, shielded or opaque, and bars any unobstructed beam of light from being directed beyond an exterior lot line.

Glenn County outdoor lighting / dark sky rules

Light Restrictions

Glenn County Code Sec. 15.560.080(A)

All exterior lighting accessory to any use shall be hooded, shielded or opaque. No unobstructed beam of light shall be directed beyond any exterior lot line. Buildings and structures under construction are exempt from this provision.

Full ordinance details →Official source ↗

Light Trespass & Shielding

Glenn County's Unified Development Code addresses light trespass through Section 15.560.080, which prohibits directing any unobstructed beam of light beyond an exterior lot line and requires all exterior lighting to be hooded, shielded or opaque. Compliance is measured at the property lines.

Glenn County light trespass rules

Some Restrictions

Glenn County Code Sec. 15.560.080(A)

All exterior lighting accessory to any use shall be hooded, shielded or opaque. No unobstructed beam of light shall be directed beyond any exterior lot line.

Full ordinance details →Official source ↗

All Glenn County ordinances

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