Outdoor Lighting in Yuma, AZ (2026)
3 verified outdoor lighting rules for Yuma, Arizona, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Yuma's outdoor lighting chapter states its purpose in dark-sky terms: reducing waste, glare, light trespass and effects on wildlife under Arizona's Title 49 light-pollution statute while preserving night-time safety and the visibility of the night sky. The city backs that goal with concrete fixture rules, including shielding, LED color-temperature caps and a ban on mercury vapor lamps. City Code § 154-18.01 states the standard.
Yuma Dark-Sky Outdoor Lighting Rules
Some RestrictionsYuma City Code § 154-18.01
The principal purpose of the outdoor lighting regulations is to create standards for outdoor lighting which do not conflict with the reasonable use and enjoyment of property within the city and with astronomical observations. It is the intention of this subchapter to encourage the conservation of energy while increasing night-time safety, utility, security and productivity, through regulation o...
Light Trespass & Shielding
Yuma defines light trespass as artificial light from a fixture on one property that is directed so the light source itself is visible from another property, and it prohibits that condition outright except for fixtures the code specifically exempts. Light poles within 25 feet of a residential use are also capped at 12 feet, and commercial permits must prove no trespass onto neighbors. City Code § 154-18.02 governs.
Yuma Light Trespass Rules
Some RestrictionsYuma City Code § 154-18.02(A),(R)
LIGHT TRESPASS. A condition in which artificial light emitted from a luminaire on one property, not inclusive of light incidentally scattered or reflected from adjacent surfaces, is directed in such a manner that the light source is visible from any other property. ... (R) Light trespass is prohibited, except for fixtures exempted from this chapter or from shielding requirements in this section.
Billboard Lighting
Yuma requires billboard lighting fixtures to sit on top of the sign structure and be shielded, and bans ground-mounted up-lighting unless it is confined to the sign face at no more than a 45-degree upward angle. Outdoor advertising off-site signs, including internally lit faces, must go dark between midnight and sunrise. City Code § 154-18.02 sets these fixture and curfew rules.
Yuma Billboard Lighting Fixture Rules
Some RestrictionsYuma City Code § 154-18.02(B),(C),(G)
(B) Top-mounted. Outdoor advertising sign lighting fixtures used to illuminate an outdoor advertising sign shall be mounted on the top of the sign structure. All such fixtures shall comply with the shielding requirements noted in this section. (C) Bottom-mounted (ground-mounted, up-lighting, feature-lighting). An outdoor advertising sign illuminated by any type of bottom-mounted outdoor lig...