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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 Restrictions

Arizona regulates outdoor lighting statewide through the Outdoor Light Control statutes, requiring shielded fixtures…

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Coconino County

Heavy Restrictions

Flagstaff was named the world's first International Dark Sky City in 2001. Its Zoning Code and the Coconino County…

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Flagstaff

Heavy Restrictions

In the City of Flagstaff, the world's first International Dark Sky City, Division 10-50.70 requires fully or partially…

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Maricopa

Significant Restrictions

Maricopa requires exterior lighting fixtures to be fully or partially shielded, bans new mercury vapor lamps and…

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Maricopa County

Significant Restrictions

In unincorporated Maricopa County, most exterior lighting must be fully or partially shielded to control glare and…

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Avondale

Some Restrictions

Avondale's zoning ordinance says its outdoor lighting rules exist to protect "naturally dark skies for astronomical…

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Buckeye

Some Restrictions

Buckeye requires fully shielded fixtures for nearly all outdoor lighting, caps color temperature at 3000 Kelvin, and…

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Casa Grande

Some Restrictions

Casa Grande's Dark Sky Ordinance (Chapter 15.48) requires most outdoor light fixtures, including advertising, parking…

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Gilbert

Some Restrictions

Gilbert's Code of Ordinances requires every outdoor light fixture in town, residential included, to be designed to cut…

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Glendale

Some Restrictions

Chapter 26.5 of the Glendale Code requires most outdoor light fixtures to be fully shielded and filtered to control…

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Goodyear

Some Restrictions

Goodyear's Zoning Ordinance bans mercury vapor lighting citywide and requires nearly every other outdoor fixture to be…

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Lake Havasu City

Some Restrictions

Lake Havasu City's zoning code caps outdoor light pole height at 20 feet in residential, mixed-use, and special purpose…

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Mesa

Some Restrictions

Mesa's Lighting Control Ordinance requires most outdoor fixtures to be shielded and filtered, caps light spillage at…

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Mohave County

Some Restrictions

Mohave County protects its night skies through Ordinance 87-1, the Outdoor Light Control (Dark Sky) Ordinance, carried…

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Navajo County

Some Restrictions

Every outdoor light fixture in unincorporated Navajo County, except streetlamps, has to be aimed and shielded so its…

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Peoria

Some Restrictions

Peoria's Outdoor Light Control Code requires every nonexempt outdoor fixture, from parking lot lights to landscape…

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Phoenix

Some Restrictions

Phoenix requires most outdoor light fixtures to be fully shielded downward, and metal halide or fluorescent fixtures…

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Pima County

Some Restrictions

Pima County adopted the 2012 City of Tucson/Pima County Outdoor Lighting Code as its own law, applying dark-sky…

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Prescott Valley

Some Restrictions

In the Town of Prescott Valley, Arizona, every outdoor light fixture must be designed and installed fully shielded…

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Queen Creek

Some Restrictions

Queen Creek's Zoning Ordinance regulates outdoor lighting under Section 5.5 to protect the night sky, astronomical…

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Sahuarita

Some Restrictions

Sahuarita adopted its own 2012 Outdoor Lighting Code by reference under Town Code Section 15.05.020, and zoning…

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Scottsdale

Some Restrictions

Scottsdale's Zoning Ordinance requires shields, downward-directed sources, and full cutoff fixtures once a luminaire…

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Sedona

Some Restrictions

Sedona's Land Development Code requires every new or substantially modified outdoor light fixture in the city to be…

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Surprise

Some Restrictions

Surprise requires full cut-off fixtures citywide and layers on stricter dark-sky protection in its LZ0 zone, where…

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Tempe

Some Restrictions

Tempe caps on-site outdoor lighting at 40 foot-candles measured at the surface and sorts fixtures by how much light…

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Yavapai County

Some Restrictions

Yavapai County's Section 603 dark-sky ordinance caps single-family lots at 5,000 lumens and commercial/industrial lots…

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Yuma

Some Restrictions

Yuma's outdoor lighting chapter states its purpose in dark-sky terms: reducing waste, glare, light trespass and effects…

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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 Restrictions

In the City of Flagstaff, Section 10-50.70.050.E requires every outdoor light fixture to be aimed and shielded so its…

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Maricopa County

Significant Restrictions

Unincorporated Maricopa County requires outdoor light fixtures to be shielded, bans mercury vapor luminaires and…

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Sahuarita

Significant Restrictions

Sahuarita bars wireless communication facilities from carrying lighting beyond required security lighting, and even…

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Avondale

Some Restrictions

Avondale caps light trespass at one foot-candle measured at the property line contiguous to a residential district or…

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Buckeye

Some Restrictions

Buckeye's Development Code caps how much outdoor light can spill onto a neighbor's property, limiting off-site…

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Casa Grande

Some Restrictions

In the City of Casa Grande, outdoor lighting for parking areas, signs or other structures must be arranged to deflect…

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Chandler

Some Restrictions

Chandler's Property Maintenance Ordinance bars any exterior lighting on a property from casting rays onto a neighboring…

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Coconino County

Some Restrictions

Outdoor light fixtures in unincorporated Coconino County must be aimed and shielded so illumination stays inside the…

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Gilbert

Some Restrictions

Gilbert requires floodlights, spotlights and other high-intensity security or site fixtures to be fully shielded so the…

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Glendale

Some Restrictions

Glendale Code Section 26.5-6(d) bars low-wattage, unshielded outdoor lighting from directing light onto adjacent…

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Goodyear

Some Restrictions

Goodyear's Outdoor Lighting article makes property owners responsible for keeping installed lighting from crossing onto…

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Lake Havasu City

Some Restrictions

Lake Havasu City bars bare incandescent bulbs from being visible from adjacent property or the public right-of-way and…

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Maricopa

Some Restrictions

Maricopa requires exterior fixtures, including security lights, to be fully or partially shielded so rays stay on-site…

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Mesa

Some Restrictions

Mesa caps outdoor lighting fixture height by district and use under Table 11-30-5, and bans motion effects outright…

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Navajo County

Some Restrictions

Light produced on one property in unincorporated Navajo County cannot be allowed to spill over and interfere with…

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Peoria

Some Restrictions

Peoria bars outdoor light fixtures from spilling onto a neighbor's land. Section 21-302(F) requires lighting in a…

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Phoenix

Some Restrictions

Phoenix requires most outdoor light fixtures to be fully shielded so light does not spill onto neighboring property or…

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Pima County

Some Restrictions

Unincorporated Pima County caps how sign lighting can spill onto neighbors: Code § 18.79.070(D) bars a sign's light…

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Prescott Valley

Some Restrictions

In the Town of Prescott Valley, Arizona, section 13-12-060 requires fully shielded fixtures whose light source and…

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Queen Creek

Some Restrictions

Queen Creek's Zoning Ordinance controls light spilling onto neighboring land through Section 5.5.E. Any luminaire rated…

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Scottsdale

Some Restrictions

Scottsdale measures light trespass at the property line, six feet above grade, with the meter facing the lit property…

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Sedona

Some Restrictions

Sedona requires every outdoor light fixture to be fully shielded so illumination stays inside the property line where…

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Surprise

Some Restrictions

Surprise requires every outdoor light fixture, including security lighting, to be located, aimed, and shielded so its…

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Tempe

Some Restrictions

Tempe limits spillover light at a property line adjacent to a single-family district to 0.5 foot-candle, and bars…

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Tucson

Some Restrictions

Tucson has enforced the City of Tucson/Pima County Outdoor Lighting Code since 1985, adopted by reference in City Code…

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Yavapai County

Some Restrictions

Every outdoor fixture in unincorporated Yavapai County must be aimed to keep its direct light inside the property line…

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Yuma

Some Restrictions

Yuma defines light trespass as artificial light from a fixture on one property that is directed so the light source…

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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 Restrictions

Chandler's sign code flatly prohibits billboards citywide, so there is no permit path for a lit or unlit off-premise…

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Pima County

Heavy Restrictions

Every billboard permitted in unincorporated Pima County, whether in a CB-2, CI-1, CI-2 or CI-3 zone, is barred from…

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Casa Grande

Some Restrictions

Casa Grande's Dark Sky Ordinance treats billboards and other signage as regulated 'outdoor light fixtures' under Casa…

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Glendale

Some Restrictions

Glendale forces digital billboards dark overnight and caps their glare at the property line. UDC §…

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Maricopa County

Some Restrictions

Unincorporated Maricopa County limits offsite sign (billboard) lighting to four fully shielded luminaires per sign face…

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Mesa

Some Restrictions

Electronic billboards in Mesa's Billboard Overlay District can't exceed 300 nits in full white mode during evening…

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Navajo County

Some Restrictions

A billboard's light source in unincorporated Navajo County must sit at the top of the sign structure, aimed and…

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Peoria

Some Restrictions

Peoria carves out a narrow exception to its shielding code for billboard lighting: bottom-mounted outdoor advertising…

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Phoenix

Some Restrictions

Off-premise billboards in Phoenix may be lit but must dim after sunset and go dark from 11 p.m. to sunrise under the…

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Pinal County

Some Restrictions

Illuminated signs and billboards in unincorporated Pinal County may only be lit during business hours or until 11:00…

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Prescott Valley

Some Restrictions

Billboard lighting in the Town of Prescott Valley must meet the Town's outdoor lighting standards and four extra limits…

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Tempe

Some Restrictions

Tempe requires lighting fixtures that illuminate an outdoor advertising sign (billboard) to be mounted on top of the…

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Tucson

Some Restrictions

Any illuminated sign in Tucson, billboards included, must comply with the separately adopted Tucson/Pima County Outdoor…

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Yavapai County

Some Restrictions

Externally lit signs and billboards in unincorporated Yavapai County count as Class 1 Lighting, must be fully shielded…

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Yuma

Some Restrictions

Yuma requires billboard lighting fixtures to sit on top of the sign structure and be shielded, and bans ground-mounted…

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