Outdoor Lighting in Tustin, CA (2026)
3 verified outdoor lighting rules for Tustin, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Tustin requires exterior lighting fixtures to be aimed and shielded so their light stays on-site. City Code § 9271hh(b) says fixtures illuminating a building, architectural feature or landscaping on private property must be directed, shielded, or located so the light source isn't directed off-site.
Tustin Outdoor Lighting Shielding Rule
Some RestrictionsTustin City Code § 9271hh
All exterior lighting shall be subject to the following standards, unless otherwise exempted by the City of Tustin: ... (b)Outdoor lighting fixtures that are used to illuminate a premises, architectural feature or landscape feature on private property shall be directed, shielded, or located in such a manner that the light source is not directed off-site.
Light Trespass & Shielding
Tustin's zoning code targets light pollution directly: City Code § 9271hh(a) requires outdoor lighting be designed to minimize impacts from light trespass and glare and to avoid the conflict caused by unnecessary illumination, the purpose clause behind the City's fixture-shielding requirement.
Tustin Light Trespass and Glare Rule
Some RestrictionsTustin City Code § 9271hh
All exterior lighting shall be subject to the following standards, unless otherwise exempted by the City of Tustin: (a)Outdoor lighting shall be designed so as to minimize impacts from light pollution including light trespass and glare to minimize conflict caused by unnecessary illumination.
Billboard Lighting
In the City of Tustin, a freeway adjacent digital display billboard must comply with brightness and illumination laws, cannot flash or use traveling lights, and each still image must hold for at least eight seconds under the conditional use permit that authorizes it.
Tustin Digital Billboard Brightness Rule
Some RestrictionsTustin City Code § 9404b(7)(7)
7.Brightness. All freeway adjacent digital display billboards must comply with all applicable laws and regulations concerning brightness, including, without limitation, California Vehicle Code Section 21466.5.8.Display cycle. A freeway adjacent digital display billboard may show a series of still images, each displayed for at least eight (8) seconds. The still images may not move or present the...
Looking for Orange County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Tustin city rules.
Outdoor Lighting in Orange County →