Outdoor Lighting in Arizona (2026)
69 rules on the books across Arizona, 29 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 →Flagstaff
Heavy RestrictionsIn the City of Flagstaff, the world's first International Dark Sky City, Division 10-50.70 requires fully or partially…
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 →Casa Grande
Some RestrictionsCasa Grande's Dark Sky Ordinance (Chapter 15.48) requires most outdoor light fixtures, including advertising, parking…
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 →Lake Havasu City
Some RestrictionsLake Havasu City's zoning code caps outdoor light pole height at 20 feet in residential, mixed-use, and special purpose…
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 →Navajo County
Some RestrictionsEvery outdoor light fixture in unincorporated Navajo County, except streetlamps, has to be aimed and shielded so its…
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 →Prescott Valley
Some RestrictionsIn the Town of Prescott Valley, Arizona, every outdoor light fixture must be designed and installed fully shielded…
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 caps on-site outdoor lighting at 40 foot-candles measured at the surface and sorts fixtures by how much light…
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.
Flagstaff
Significant RestrictionsIn the City of Flagstaff, Section 10-50.70.050.E requires every outdoor light fixture to be aimed and shielded so its…
Read full rule →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 →Casa Grande
Some RestrictionsIn the City of Casa Grande, outdoor lighting for parking areas, signs or other structures must be arranged to deflect…
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 →Lake Havasu City
Some RestrictionsLake Havasu City bars bare incandescent bulbs from being visible from adjacent property or the public right-of-way and…
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 →Navajo County
Some RestrictionsLight produced on one property in unincorporated Navajo County cannot be allowed to spill over and interfere with…
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 →Prescott Valley
Some RestrictionsIn the Town of Prescott Valley, Arizona, section 13-12-060 requires fully shielded fixtures whose light source and…
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 →Casa Grande
Some RestrictionsCasa Grande's Dark Sky Ordinance treats billboards and other signage as regulated 'outdoor light fixtures' under Casa…
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 →Navajo County
Some RestrictionsA billboard's light source in unincorporated Navajo County must sit at the top of the sign structure, aimed and…
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 →Prescott Valley
Some RestrictionsBillboard lighting in the Town of Prescott Valley must meet the Town's outdoor lighting standards and four extra limits…
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 →