Outdoor Lighting in Arizona (2026)
56 rules on the books across Arizona, 24 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Dark Sky Rules
Ordinances designed to reduce light pollution, including requirements for shielded fixtures, limits on brightness, and curfews for decorative lighting.
Arizona: statewide
StatewideSome RestrictionsArizona regulates outdoor lighting statewide through the Outdoor Light Control statutes, requiring shielded fixtures…
Read full rule →Coconino County
Heavy RestrictionsFlagstaff was named the world's first International Dark Sky City in 2001. Its Zoning Code and the Coconino County…
Read full rule →Maricopa
Significant RestrictionsMaricopa requires exterior lighting fixtures to be fully or partially shielded, bans new mercury vapor lamps and…
Read full rule →Maricopa County
Significant RestrictionsIn unincorporated Maricopa County, most exterior lighting must be fully or partially shielded to control glare and…
Read full rule →Avondale
Some RestrictionsAvondale's zoning ordinance says its outdoor lighting rules exist to protect "naturally dark skies for astronomical…
Read full rule →Buckeye
Some RestrictionsBuckeye requires fully shielded fixtures for nearly all outdoor lighting, caps color temperature at 3000 Kelvin, and…
Read full rule →Gilbert
Some RestrictionsGilbert's Code of Ordinances requires every outdoor light fixture in town, residential included, to be designed to cut…
Read full rule →Glendale
Some RestrictionsChapter 26.5 of the Glendale Code requires most outdoor light fixtures to be fully shielded and filtered to control…
Read full rule →Goodyear
Some RestrictionsGoodyear's Zoning Ordinance bans mercury vapor lighting citywide and requires nearly every other outdoor fixture to be…
Read full rule →Mesa
Some RestrictionsMesa's Lighting Control Ordinance requires most outdoor fixtures to be shielded and filtered, caps light spillage at…
Read full rule →Mohave County
Some RestrictionsMohave County protects its night skies through Ordinance 87-1, the Outdoor Light Control (Dark Sky) Ordinance, carried…
Read full rule →Peoria
Some RestrictionsPeoria's Outdoor Light Control Code requires every nonexempt outdoor fixture, from parking lot lights to landscape…
Read full rule →Phoenix
Some RestrictionsPhoenix requires most outdoor light fixtures to be fully shielded downward, and metal halide or fluorescent fixtures…
Read full rule →Pima County
Some RestrictionsPima County adopted the 2012 City of Tucson/Pima County Outdoor Lighting Code as its own law, applying dark-sky…
Read full rule →Queen Creek
Some RestrictionsQueen Creek's Zoning Ordinance regulates outdoor lighting under Section 5.5 to protect the night sky, astronomical…
Read full rule →Sahuarita
Some RestrictionsSahuarita adopted its own 2012 Outdoor Lighting Code by reference under Town Code Section 15.05.020, and zoning…
Read full rule →Scottsdale
Some RestrictionsScottsdale's Zoning Ordinance requires shields, downward-directed sources, and full cutoff fixtures once a luminaire…
Read full rule →Sedona
Some RestrictionsSedona's Land Development Code requires every new or substantially modified outdoor light fixture in the city to be…
Read full rule →Surprise
Some RestrictionsSurprise requires full cut-off fixtures citywide and layers on stricter dark-sky protection in its LZ0 zone, where…
Read full rule →Tempe
Some RestrictionsTempe's Zoning and Development Code caps on-site lighting at 40 foot-candles and classifies fixtures by cutoff type…
Read full rule →Yavapai County
Some RestrictionsYavapai County's Section 603 dark-sky ordinance caps single-family lots at 5,000 lumens and commercial/industrial lots…
Read full rule →Yuma
Some RestrictionsYuma's outdoor lighting chapter states its purpose in dark-sky terms: reducing waste, glare, light trespass and effects…
Read full rule →Light Trespass & Shielding
Rules preventing outdoor lights from shining onto neighboring homes, shielding and full-cutoff fixture requirements, aiming standards, and footcandle caps at the property line.
Maricopa County
Significant RestrictionsUnincorporated Maricopa County requires outdoor light fixtures to be shielded, bans mercury vapor luminaires and…
Read full rule →Sahuarita
Significant RestrictionsSahuarita bars wireless communication facilities from carrying lighting beyond required security lighting, and even…
Read full rule →Avondale
Some RestrictionsAvondale caps light trespass at one foot-candle measured at the property line contiguous to a residential district or…
Read full rule →Buckeye
Some RestrictionsBuckeye's Development Code caps how much outdoor light can spill onto a neighbor's property, limiting off-site…
Read full rule →Chandler
Some RestrictionsChandler's Property Maintenance Ordinance bars any exterior lighting on a property from casting rays onto a neighboring…
Read full rule →Coconino County
Some RestrictionsOutdoor light fixtures in unincorporated Coconino County must be aimed and shielded so illumination stays inside the…
Read full rule →Gilbert
Some RestrictionsGilbert requires floodlights, spotlights and other high-intensity security or site fixtures to be fully shielded so the…
Read full rule →Glendale
Some RestrictionsGlendale Code Section 26.5-6(d) bars low-wattage, unshielded outdoor lighting from directing light onto adjacent…
Read full rule →Goodyear
Some RestrictionsGoodyear's Outdoor Lighting article makes property owners responsible for keeping installed lighting from crossing onto…
Read full rule →Maricopa
Some RestrictionsMaricopa requires exterior fixtures, including security lights, to be fully or partially shielded so rays stay on-site…
Read full rule →Mesa
Some RestrictionsMesa caps outdoor lighting fixture height by district and use under Table 11-30-5, and bans motion effects outright…
Read full rule →Peoria
Some RestrictionsPeoria bars outdoor light fixtures from spilling onto a neighbor's land. Section 21-302(F) requires lighting in a…
Read full rule →Phoenix
Some RestrictionsPhoenix requires most outdoor light fixtures to be fully shielded so light does not spill onto neighboring property or…
Read full rule →Pima County
Some RestrictionsUnincorporated Pima County caps how sign lighting can spill onto neighbors: Code § 18.79.070(D) bars a sign's light…
Read full rule →Queen Creek
Some RestrictionsQueen Creek's Zoning Ordinance controls light spilling onto neighboring land through Section 5.5.E. Any luminaire rated…
Read full rule →Scottsdale
Some RestrictionsScottsdale measures light trespass at the property line, six feet above grade, with the meter facing the lit property…
Read full rule →Sedona
Some RestrictionsSedona requires every outdoor light fixture to be fully shielded so illumination stays inside the property line where…
Read full rule →Surprise
Some RestrictionsSurprise requires every outdoor light fixture, including security lighting, to be located, aimed, and shielded so its…
Read full rule →Tempe
Some RestrictionsTempe limits spillover light at a property line adjacent to a single-family district to 0.5 foot-candle, and bars…
Read full rule →Tucson
Some RestrictionsTucson has enforced the City of Tucson/Pima County Outdoor Lighting Code since 1985, adopted by reference in City Code…
Read full rule →Yavapai County
Some RestrictionsEvery outdoor fixture in unincorporated Yavapai County must be aimed to keep its direct light inside the property line…
Read full rule →Yuma
Some RestrictionsYuma defines light trespass as artificial light from a fixture on one property that is directed so the light source…
Read full rule →Billboard Lighting
Lighting standards for outdoor advertising, luminance limits, dwell time, sky-glow mitigation, and curfew hours after which billboards must dim or shut off.
Chandler
Heavy RestrictionsChandler's sign code flatly prohibits billboards citywide, so there is no permit path for a lit or unlit off-premise…
Read full rule →Pima County
Heavy RestrictionsEvery billboard permitted in unincorporated Pima County, whether in a CB-2, CI-1, CI-2 or CI-3 zone, is barred from…
Read full rule →Glendale
Some RestrictionsGlendale forces digital billboards dark overnight and caps their glare at the property line. UDC §…
Read full rule →Maricopa County
Some RestrictionsUnincorporated Maricopa County limits offsite sign (billboard) lighting to four fully shielded luminaires per sign face…
Read full rule →Mesa
Some RestrictionsElectronic billboards in Mesa's Billboard Overlay District can't exceed 300 nits in full white mode during evening…
Read full rule →Peoria
Some RestrictionsPeoria carves out a narrow exception to its shielding code for billboard lighting: bottom-mounted outdoor advertising…
Read full rule →Phoenix
Some RestrictionsOff-premise billboards in Phoenix may be lit but must dim after sunset and go dark from 11 p.m. to sunrise under the…
Read full rule →Pinal County
Some RestrictionsIlluminated signs and billboards in unincorporated Pinal County may only be lit during business hours or until 11:00…
Read full rule →Tempe
Some RestrictionsTempe requires lighting fixtures that illuminate an outdoor advertising sign (billboard) to be mounted on top of the…
Read full rule →Tucson
Some RestrictionsAny illuminated sign in Tucson, billboards included, must comply with the separately adopted Tucson/Pima County Outdoor…
Read full rule →Yavapai County
Some RestrictionsExternally lit signs and billboards in unincorporated Yavapai County count as Class 1 Lighting, must be fully shielded…
Read full rule →Yuma
Some RestrictionsYuma requires billboard lighting fixtures to sit on top of the sign structure and be shielded, and bans ground-mounted…
Read full rule →