Outdoor Lighting in California (2026)

Section 17.16.100 bans mercury vapor and low-pressure-sodium lighting countywide to protect the night sky, and caps…

The Santa Monica Mountains North Area CSD requires all outdoor lighting to be fully shielded and directed downward…

Murrieta sits inside the thirty-mile Palomar Observatory dark sky zone, and §16.18.110 forces most outdoor fixtures to…

Oceanside's Light Pollution Regulations, Chapter 39, require most nonexempt outdoor fixtures to use low-pressure sodium…

Under Alameda's Dark Skies Ordinance, every exterior light fixture must be fully shielded and aimed downward, with…

Apple Valley's Development Code limits commercial and office lighting to functional safety, security, and…

Bakersfield's outdoor lighting chapter requires any up-lighting or building-outline lighting to stay fully contained so…

Baldwin Park's zoning performance standards require every light on a property to be directed, oriented and shielded so…

Berkeley requires all exterior lighting in Residential Districts to be shielded and aimed downward and away from lot…

San Diego County has a real dark-sky ordinance, the Light Pollution Code, to protect the Palomar and Mount Laguna…

Brentwood has no residential dark-sky ordinance, but its zoning code forces outdoor lighting in office, commercial and…

Within the Butte Creek Canyon (-BCC) overlay zone, Butte County Code of Ordinances Section 24-34.1(D)(7)(b) goes beyond…

Camarillo bans unshielded pack lighting, area-wide flood lighting, searchlights and laser lights citywide under…

Chino caps outdoor lighting under Municipal Code Section 20.10.090: no light on private property may spill more than…

Clovis requires all exterior lighting to be directed downward, shielded, and confined within the boundaries of the lit…

Cupertino requires nearly all outdoor light fixtures to be fully shielded and pointed downward, bans floodlights…

Davis adopted its Outdoor Lighting Control ordinance to preserve the night sky as a natural resource, requiring fully…

Downey requires outdoor lighting citywide to be shielded and directed away from streets and neighboring properties…

Eastvale requires new commercial, industrial, multifamily and mixed-use outdoor lighting to go through development…

El Monte's zoning code bars outdoor lighting from pointing straight up at the sky, one of several fixture-design rules…

New multifamily and nonresidential development in Elk Grove must use fully shielded outdoor light fixtures so the light…

Escondido's outdoor lighting ordinance requires new fixtures on commercial, industrial, and multifamily properties over…

Fairfield requires outdoor lighting on private non-residential property to be shielded or recessed and directed…

Fresno County requires exterior lighting on private property to be directed downward and shielded so light and glare…

Fullerton requires exterior lighting on backyard game courts and similar recreational facilities to be shielded away…

Glendale's Transit Oriented Development (TOD) district enforces a strict outdoor lighting shielding standard under…

Hanford's zoning code requires outdoor light fixtures citywide to be aimed or shielded so they don't spill light…

New multifamily and mixed-use projects in Hemet must submit a photometric lighting plan showing no up-lighting, no…

Hercules steers nighttime lighting at parking lots, loading docks, and industrial sites toward hooded, ground-aimed…

New outdoor lighting and exterior fixture replacements in Indio can't exceed 3,000 Kelvin color temperature, matching…

Kern County's Dark Skies Ordinance, Zoning Chapter 19.81, requires any outdoor fixture of 100 watts or more, or…

Unincorporated Lake County has no standalone 'dark sky' ordinance, but Section 41.8 of the Zoning Ordinance requires…

Lake Forest's objective design standards for new multifamily housing, adopted to satisfy a California housing-law…

New residential buildings of 5 or more units and mixed-use projects in Lancaster must submit a lighting plan and keep…

Los Banos requires all outdoor light fixtures to be "fully shielded" so no light escapes above the horizontal plane…

Manteca requires outdoor fixtures over 6 feet tall to be fully shielded and aimed within a 60-degree downward cone, the…

Marin County's Development Code requires exterior lighting on any project that goes through Master Plan, Design Review…

Menifee limits outdoor lighting to 8,100 total lumens per acre, or per parcel under an acre, and requires it be…

Merced requires every fixture lighting a parking lot of six or more spaces to be hooded and energy efficient, keeping…

Modesto has no citywide dark-sky or outdoor-lighting code; the only shielded-lighting and night-sky standard in the…

New multifamily development in Monterey's South Side of Garden Road Multifamily Residential Overlay (MF1) must direct…

Moreno Valley's Section 9.08.100 sets outdoor lighting rules city-wide to cut light pollution and glare while keeping…

Newport Beach requires all outdoor lighting fixtures to be shielded and aimed so they don't glare onto neighboring…

Oxnard's zoning code caps on-site lighting citywide: no more than seven footcandles and no less than one footcandle…

Palm Springs requires outdoor lighting to "maintain ambient lighting levels as low as possible... and maintain dark…

New development and exterior lighting retrofits in Palmdale must meet dark-sky standards under PMC § 17.86.030: fixture…

Pasadena requires all exterior lighting on private property to be shielded, energy-efficient and directed downward and…

Perris requires every outdoor lighting fixture in its industrial zones to be fully shielded, cut-off type, so no glare…

Petaluma bans direct glare from outdoor lighting citywide, allowing parking-lot and walkway fixtures only if hooded or…

Placer County has no blanket dark-sky ordinance for every property. The one enforceable 'dark-sky compliant' standard…

In Pleasanton's industrial districts, exterior lighting within 200 feet of a property line can't exceed the intensity…

Pomona's Zoning and Development Code requires nearly all outdoor light fixtures to be full cutoff and shielded, banning…

Every outdoor light fixture in Rancho Cordova, from parking-lot poles to building accent lighting, must be fully…

Rancho Cucamonga's outdoor lighting chapter is written explicitly to preserve dark skies: Development Code Section…

Redding requires all exterior lighting on new commercial, office and industrial development to be shielded so the bulb…

Redlands requires agritourism lighting fixtures in the A-1 Agricultural District to be fully shielded, capped at 11:00…

Riverside's outdoor lighting chapter exists 'to preserve the naturally dark night sky' by limiting glare and light…

Riverside County requires all outdoor light fixtures in unincorporated areas to be shielded so no direct light crosses…

Salinas requires every outdoor light fixture to use cutoff optics so no light escapes above a horizontal plane through…

Unincorporated San Benito County regulates outdoor lighting near Fremont Peak and Pinnacles to protect night-sky…

Outdoor lighting in San Bernardino County's Mountain and Desert regions must be fully shielded and shut off by 11:00…

San Clemente requires all exterior lighting to be energy-efficient and shielded or recessed so glare and reflections…

San Diego caps most outdoor lighting at 4000 Kelvin color temperature and requires it off between 11 p.m. and 6 a.m…

Unincorporated San Diego County requires new or altered outdoor luminaires needing a building permit to meet shielding…

San Francisco requires shielded, minimal outdoor lighting with no uplighting on buildings near Urban Bird Refuges under…

San Luis Obispo County requires every outdoor night-lighting fixture installed since 1994 to be shielded from above so…

Development in unincorporated North Fair Oaks' CMU-1 commercial district must use dark-sky-compliant lighting confined…

San Ramon caps outdoor light fixtures at 18 feet, requires energy-efficient lamps, and mandates that fixtures be…

Every new or replaced outdoor light fixture in unincorporated Santa Barbara County must be fully shielded or full…

Santa Clara's Zoning Code regulates outdoor lighting under Section 18.40.080 to preserve dark skies and keep glare off…

New and replacement outdoor lighting in Santa Clarita must be directed downward with a cut-off design so the bulb or…

Santa Cruz County has no general dark-sky ordinance, but its zoning code requires shielded, downward-directed outdoor…

Santa Maria requires outdoor lighting on mixed-use developments to be shielded so no direct beam reaches a…

Santa Monica prohibits mercury vapor lamps, drop-down lenses, searchlights, and any flashing or moving lights, and…

Santa Rosa caps outdoor light standards by land use, from 14 feet for multi-family sites to 17 feet for single-family…

Simi Valley requires cutoff, shielded fixtures for any outdoor lighting plan tied to new parking or building…

Unincorporated Solano County has no comprehensive countywide dark-sky lighting ordinance. Instead, Chapter 28 imposes…

SMC 19.40.030 requires every exterior lighting fixture in a City of Sonoma development to be energy efficient…

In the Taylor/Sonoma/Mayacamas Mountains scenic combining zone, exterior lighting on new homes and structures must be…

South Gate's development standards require exterior building and landscape lighting to come only from shielded…

Sunnyvale requires every outdoor light, spotlight, floodlight and reflector to be shielded or fitted with special…

Temecula treats a violation of Riverside County's Palomar Observatory light pollution ordinance as a citywide public…

Thousand Oaks has no citywide dark-sky ordinance, but its self-storage facility standard mandates full cut-off…

Outdoor lighting on new multiple-unit and mixed-use housing projects in Tracy must use fully shielded, cut-off fixtures…

Chapter 17.14 requires shielded, full cutoff outdoor fixtures citywide so no light is emitted above the horizontal…

Every development in Vacaville must keep exterior lighting between one and three footcandles under VMC Section…

Vallejo's zoning code caps outdoor light poles at seventeen feet in residential districts, twenty feet in most…

Inside Ventura County's Dark Sky Overlay Zone, outdoor light fixtures installed after November 2018 must be fully…

Victorville's single-family design guidelines require every exterior light fixture on a new home to conceal its light…

Vista's zoning code makes private outdoor lighting shield its glare, run on timers, and stay within set brightness…

Commercial, office mixed-use, and manufacturing properties in West Covina must hood and direct all lighting away from…

West Sacramento requires outdoor light fixtures on new development to meet IESNA 'cut off' or 'full cut off' shielding…

Westminster requires every exterior light fixture, from parking lot poles to building floodlights, to be designed…

Yolo County's zoning code has no freestanding dark-sky chapter, but Sec. 8-2.1311(d) sets the general shielding rule…

Yuba City has no dark-sky ordinance limiting light pollution, but Article 58 of the zoning code sets minimum lighting…

Unincorporated Yuba County requires outdoor lighting fixtures on covered projects to be shielded against obtrusive…

Chino Hills has no dark-sky ordinance, but its non-residential design guidelines require shielded lighting. Municipal…

Unincorporated Colusa County has an outdoor lighting standard in Section 44-3.30 of the Zoning Code aimed at reducing…

Corona Municipal Code Section 17.84.070 requires all exterior lighting to be designed to direct light downward, with…

Dublin's single-family objective design standards at Dublin Municipal Code Section 8.36.020.C.7 require every exterior…

Folsom does not run a citywide dark-sky ordinance, but its hillside development chapter requires street lighting to be…

Fremont has no citywide dark-sky ordinance, but its mini-warehouse standards require all site lighting to be shielded…

Glenn County does not have a dedicated 'dark sky' lighting ordinance, but Section 15.560.080 of the Unified Development…

In zones established under the City's Title 22 Transitional Zoning Code, corridor and activity-node areas outside the…

Unincorporated Tulare County does not have a standalone dark-sky ordinance, but its General Plan 2030 sets…

The City of Ventura requires outdoor lighting fixtures to be designed and selected to avoid excessive spillage of…

In unincorporated Lake County, Section 41.8 of the Zoning Ordinance prohibits any unobstructed beam of light from being…

Madera's Industrial Park (IP) zoning bans glare and heat from crossing a lot line. Madera Municipal Code §…

West Sacramento bans advertising searchlights, mercury vapor lamps, and flashing, blinking, or laser outdoor lighting…

Alameda's Dark Skies Ordinance caps light spilling onto a neighbor's property at one foot-candle, measured right at the…

Alameda County treats light trespass onto neighbors as nuisance under Title 17 and Civil Code 3479. Residential…

Alhambra's zoning code caps light spilling onto a neighbor's property at 0.3 foot-candles measured at the property…

Anaheim caps how much light a multi-family or mixed-use project can throw onto neighboring property: outdoor service…

Antioch's off-street parking standards bar outdoor lighting from shining directly onto an adjacent street or property…

Apple Valley caps spillover light at 75 foot-lamberts measured from a source of reflected light at the boundary of any…

Bakersfield Municipal Code § 17.71.070 bans outdoor light fixtures that resemble traffic signals, shine upward, blink…

Baldwin Park's zoning code requires every light fixture on commercial, industrial or mixed-use property to be directed…

Multi-family projects in Bellflower's R-2 zone must shield all lighting fixtures from neighboring residential units, on…

Berkeley requires all exterior lighting on residential lots to be shielded and pointed downward and away from lot…

Brentwood caps outdoor lighting spill from every office and commercial property at one-half foot-candle measured at the…

Buena Park requires security lighting in residential parking areas to use full-cutoff pole fixtures, stay below 20…

Butte County Code of Ordinances Section 24-67 requires all outdoor lighting in the county's residential zones to be…

Calaveras County caps outdoor light spilling onto neighboring property at 0.1 foot-candle at the property line, rising…

Camarillo defines light trespass as light that shines beyond a property's lines or creates a nuisance to neighbors, and…

Carson's zoning code requires exterior lighting on buildings, parking lots, and landscaping to be directed away from…

Ceres Municipal Code declares any light, lighted sign, or device that directs or reflects glare onto a neighboring…

Chico's municipal code requires exterior lighting to be shielded or recessed so glare stays on-site, directed downward…

Chino requires outdoor lighting to minimize spillage onto neighboring properties, use energy-efficient fixtures, and…

Chino Hills bars lights and glare from spilling onto neighboring land. Municipal Code Section 16.48.040 requires that…

Chula Vista's Unnecessary Lights chapter bars commercial and industrial light sources from beaming unshielded onto…

Clovis limits how much light a fixture can spill onto a neighbor's land: indirect illumination of an adjacent property…

Compton requires every outdoor parking lot to be lit so glare and direct illumination never spill into an adjacent…

Off-street parking areas in non-residential zoning districts across unincorporated Contra Costa County must aim…

Corona Municipal Code Section 17.76.090(B) requires all outdoor lighting in parking areas to be designed and arranged…

A Costa Mesa restaurant or bar within 200 feet of a residential zone must shield or aim all exterior lighting away from…

Cupertino caps light spilling onto a neighboring lot at 0.1 foot-candle measured at the shared property line, bars…

Davis Municipal Code Article 8.17 defines light trespass as artificial light that produces unnecessary and unwanted…

Delano Development Code §20.10.140.1.a limits outdoor lighting from nonresidential uses to one-half (0.5) foot-candles…

Downey caps light trespass at 0.5 foot-candles measured at any point on a property's lot lines under Municipal Code…

Dublin caps outdoor lighting intrusion onto neighboring land in several settings. Municipal Code Section 8.76.070.A.13…

Eastvale requires every outdoor light fixture to be fully shielded and aimed away from neighboring parcels, and caps…

El Cajon bans light trespass outright: Municipal Code § 17.130.150 says lighting on one property may never create a…

Every outdoor light fixture in unincorporated El Dorado County must be shielded and aimed so no direct light crosses…

El Monte requires every outdoor fixture to be directed, oriented and shielded so light doesn't spill onto a neighbor's…

Elk Grove caps how much artificial light can spill onto a neighboring home. EGMC § 23.56.030(B)(4) limits illumination…

Escondido defines light trespass as light crossing onto a neighboring property from a fixture that doesn't belong to…

Fairfield requires outdoor lighting on private non-residential property to be shielded or recessed so glare stays…

Fremont's sign code bars light spillover onto neighboring property. Municipal Code Sec. 18.193.430 requires illuminated…

Fresno's Development Code regulates outdoor artificial light under Municipal Code Section 15-2015 to protect the night…

Fresno County limits how much light a property owner can throw onto a neighbor's land under Zoning Ordinance Section…

In Fullerton's industrial zones, on-site lighting devices must be designed so their glare and spillover do not reach…

Light trespass from floodlights, signage, or security fixtures onto neighboring residential property is treated as a…

Glendale caps outdoor light trespass under Municipal Code Section 30.30.040(A), which governs lighting citywide in the…

Glenn County's Unified Development Code addresses light trespass through Section 15.560.080, which prohibits directing…

Hanford regulates outdoor lighting citywide to conserve energy, protect the night environment, and prevent light…

Hawthorne requires commercial parking lots serving more than ten spaces to keep at least one foot-candle of light on…

Hayward's residential design standards require exterior lighting to stay confined to the property that installed it…

Hemet's zoning code requires all exterior lighting on manufacturing-zoned sites to be directed or shielded away from…

New development in Hercules must control light and glare so it never spills past its own property line. The performance…

Hesperia caps glare from community or regional industrial activity at 0.5 footcandles as measured on any residential…

Huntington Beach requires all off-street parking area lighting to be energy-efficient and designed so it does not…

Indio requires all outdoor lighting to be shielded and aimed downward or at structures so it doesn't glare, trespass…

Nonresidential buildings, open parking lots and walkways in Irvine must be lit to specific minimum foot-candle levels…

Isleton does not have a formal dark sky ordinance but the zoning code requires shielded outdoor lighting for new…

Kern County's outdoor lighting chapter defines a 'fully shielded' fixture as one that projects no light rays above the…

New exterior lighting on homes, businesses, and industrial sites in unincorporated Kings County must be hooded…

In Lake Forest's R1 single-family district, all outdoor lights must be designed and located so direct light rays stay…

Lakewood requires exterior porch and yard lighting on R-1 properties to eliminate glare onto neighboring lots entirely…

Lancaster requires all outdoor lighting to be directed away from adjacent properties and designed to prevent glare…

Exterior lighting on private property in Lodi must be shielded or recessed so glare stays on site, directed downward…

Long Beach requires every parking lot and garage citywide to be lit with fixtures directed and shielded to keep light…

LA prohibits exterior lighting that causes more than two footcandles of illumination on neighboring residential…

In the unincorporated Rural Outdoor Lighting District, County Code bans outdoor lighting that causes "unacceptable…

Los Banos's outdoor lighting ordinance defines light trespass as light shining beyond a property's boundaries and…

Parking facility lighting in unincorporated Madera County has to stay on the property that installed it. Madera County…

Manteca requires every outdoor fixture citywide to be designed, aimed downward, and shielded specifically to prevent…

Unincorporated Marin County restricts exterior lighting visible from off-site to safety purposes only. Marin County…

In Mendocino County's Coastal Zone, exterior lighting must be shielded or aimed so no light or glare crosses onto a…

Merced requires parking lot lighting to be designed so glare or spillage is directed away from residential properties…

Unincorporated Merced County requires all exterior lighting be hooded and pointed down and away from neighboring…

Monterey requires every licensed cannabis business to run exterior lighting from dusk to dawn without producing glare…

Every new development in unincorporated Monterey County that adds exterior lighting must follow the county's Design…

Moorpark bans outdoor lighting that creates glare or spills beyond the property line, along with unshielded flood…

Moreno Valley limits light spilling onto a neighboring property to one-quarter foot-candle measured five feet inside…

Mountain View requires all exterior lighting on multi-family and nonresidential properties to be shielded so it does…

Murrieta requires exterior lighting to be shielded so glare and the light source itself stay off neighboring parcels…

Newport Beach requires spotlighting and floodlighting on buildings, statues, and landscaping to use full cut-off or…

Norwalk's mixed-use development standards require every project's lighting to be designed so it does not spill glare…

Oakland's Planning Code bars commercial and industrial activities near residential zones from producing glare…

Oceanside City Code Section 39.5(d) requires outdoor lighting on homes and small multi-family buildings to be shielded…

Orange bars exterior lighting from shining directly onto neighboring property. Residential fixtures must be controlled…

Unincorporated Orange County's zoning code requires all outdoor lighting to be designed and located so it confines…

Under Oxnard Code of Ordinances Section 16-320, a light source on any lot cannot shine upon or directly illuminate any…

In the City of Pacifica, off-street parking lot lighting must be directed away from neighboring residential properties…

Palm Springs defines "Light Trespass" in Section 93.21.00(A)(9) as illumination that spills "off the subject project…

Palmdale caps light spilling onto neighboring parcels at one-quarter foot-candle at the property line under PMC §…

Pasadena caps how much artificial light can spill onto neighboring residential land: Municipal Code Section 17.40.080.A…

Perris requires all lighting on commercial and industrial parking areas, including security lighting, to be directed…

Petaluma limits reflected light off a building's walls or roof to 0.3 foot-candles maximum and 0.1 foot-candle average…

Under Pleasanton's SB 9 housing-development and urban-lot-split standards, exterior lighting on a housing development…

Pomona caps how much outdoor light can spill onto neighboring land: Sec. 640.A.3.b limits illumination at any street…

Light trespass from one property onto another in Rancho Cordova is addressed as a nuisance under the municipal code…

Outdoor lighting in Rancho Cucamonga must be fully shielded and aimed away from neighboring land under Development Code…

Redding's zoning code requires exterior lighting on commercial, office, and industrial properties to stay on-site…

Redlands caps outdoor lighting spillover from agritourism uses in the A-1 Agricultural District at one-half of a…

New development in Redwood City's Mixed-Use Corridor zoning sub-districts must light sidewalks, walkways, plazas and…

Rialto's design guidelines cap exterior lighting at one-half footcandle at any residential property line and one…

Ridgecrest's zoning code requires off-street parking lot lighting to be indirect and hooded so it doesn't spill onto…

Riverside's Outdoor Lighting chapter caps brightness, mounting height and light trespass to keep the night sky dark…

Riverside County requires every outdoor luminaire in the unincorporated area to be adequately shielded and aimed so no…

Rohnert Park requires all outdoor lighting to be shielded and directed downward at the lot line so it is not directly…

Sacramento requires shielded, non-spillover exterior lighting on every off-street parking facility citywide under City…

New light fixtures in Sacramento County parking lots must be full cut-off, shielded, and aimed downward and away from…

Salinas caps outdoor light spilling onto neighboring land at one-half footcandle at any R or NU district property line…

Unincorporated San Benito County limits outdoor lighting near Pinnacles National Monument and Fremont Peak State Park…

Commercial and industrial lighting can't spill more than 0.5 foot-candles onto neighboring homes or the street…

San Diego exempts security lighting for walkways, equipment yards, and parking lots from its 11 p.m. curfew, but only…

Unincorporated San Diego County requires new or altered outdoor luminaires to meet shielding, lumen, and curfew…

Commercial and public/quasi-public lighting next to residential property must be shielded so light reflects away from…

San Leandro's zoning code directly limits light trespass from outdoor lighting onto residential land. Municipal Code §…

County code bars outdoor lighting from being aimed at neighboring dwellings or public streets and separately prohibits…

San Marcos caps perimeter lighting at one-half of one foot-candle at any point along a property line under Zoning…

In the unincorporated Midcoast (El Granada, Miramar, Moss Beach, Montara), county design review rules require new home…

San Rafael caps new outdoor lighting at roughly one foot-candle at doorways, tapering to under one foot-candle at the…

San Ramon caps light spilling onto a neighboring residential lot at one foot-candle at the property line and requires…

Electronic message displays approved through Santa Ana's Regional Planned Sign Program can't sit within 300 feet of…

Within Santa Barbara County's unincorporated Coastal Zone, County Code Sec. 35-139 requires every exterior light…

Santa Clara's Zoning Code bars light fixtures from directly illuminating anything outside the project site. Section…

Unincorporated Santa Clara County requires security lighting on accessory wind energy towers to sit no higher than 12…

Outdoor lighting in Santa Clarita cannot spill onto a neighbor's property: UDC § 17.51.050(D)(1)(b) requires every…

Santa Cruz County requires off-street parking and circulation-area lighting for any development other than…

Santa Maria caps light trespass from commercial and industrial glare sources at 0.5 footcandle measured in residential…

Exterior lighting may not spill onto neighboring properties at more than 0.5 foot-candles, and all fixtures must use…

Section 20-30.080(E) of Santa Rosa's Zoning Code caps light spilling onto a neighboring residential lot at one…

All exterior and interior lighting in unincorporated Shasta County must be designed and aimed to stay on the property…

Every light fixture in Simi Valley, residential or commercial, must be aimed away from neighboring property under…

Unincorporated Solano County controls light trespass through Chapter 28 performance standards. Exterior lighting must…

SMC 19.40.030(D) bars any exterior light source or its reflected glare from being directly visible from five feet or…

Sonoma County caps exterior lighting only within the Taylor/Sonoma/Mayacamas Mountains scenic combining zone: fixtures…

South Gate makes it unlawful to shine or reflect light through a neighbor's residential window or door with enough…

In Stanislaus County's Industrial Business Park (IBP) zoning district, direct or sky-reflected glare or heat from…

Stockton's Development Code limits how much exterior light can spill onto a neighboring property: light measured at any…

Sunnyvale requires illuminated signs next to residential areas to be shielded so light points downward and away from…

Tehama County requires exterior lighting on qualifying commercial and industrial projects in the unincorporated area to…

Temecula requires all lighting fixtures on commercial, office, and industrial development, including spotlights, sign…

Thousand Oaks requires perimeter and floodlighting on commercial and industrial property to be hooded or shielded so no…

Turlock's zoning code requires rental storage facilities to locate or shield exterior security lighting so it does not…

Union City requires site lighting on qualifying new development to be shielded from adjacent residential windows and…

Upland flatly prohibits light trespass that results in glare under Section 17.14.030(A). Residential fixtures over 750…

Vacaville requires all exterior lighting to be shielded and aimed so it doesn't create a hazard or nuisance on a…

Vallejo's zoning code defines light trespass as unwanted light spilling onto adjacent lots and public rights-of-way…

New development and lighting improvements citywide must avoid spilling light onto neighboring property under Municipal…

In the Dark Sky overlay zone, security lights must be fully shielded, aimed downward, and capped at 2,600 lumens with…

Vista caps how much light a private outdoor fixture can throw onto a neighbor's land. Development Code Section…

West Covina limits how much light can spill from one residential property onto another. Development Code Section…

Westminster's outdoor lighting standard, Municipal Code Section 17.300.040(B)(1), bars any exterior fixture from…

Whittier requires parking lot and yard lighting to be arranged so it reflects light away from adjacent properties…

Any security lighting on private property in Yuba City must be shielded so it does not cast obtrusive glare onto the…

Unincorporated Yuba County bans drop-down lens fixtures, mercury vapor lights, and searchlights, lasers, or…

Office, shopping-center, and hospital-overlay projects in Carlsbad must light every employee and visitor parking area…

Unincorporated Colusa County's Zoning Code controls light trespass through Section 44-3.30.010, which requires all…

Fontana treats light trespass as a zoning violation under FMC Title 17 and a nuisance under Civil Code 3479…

Unincorporated Tulare County controls light trespass through General Plan policies and nuisance enforcement rather than…

Agricultural tourism and special event venues in the Clarksburg Agricultural District overlay zone can't point exterior…

Light trespass onto neighboring properties in Citrus Heights is actionable under CHMC nuisance provisions and Civil…

Corona bans off-premise outdoor advertising signs, including electronically lit billboards, everywhere in the city…

Fairfield bans off-site advertising structures like billboards outright under Section 25.1309.G of the sign ordinance…

Indio's Unified Development Code lists billboard signs as an outright prohibited sign type citywide, so no new…

Moreno Valley bans upward-pointed billboard lighting outright under Section 9.08.100(H)(6), part of the same subsection…

Redlands bans billboards outright rather than regulating how they may be lit. City Code section 15.36.140 lists…

San Luis Obispo County does not regulate billboard lighting because it bans the structures themselves. Land Use…

San Ramon does not regulate billboard lighting because it does not allow billboards at all: Section D3-50(F) of the…

Union City bans billboards and other off-premises advertising signs outright under § 18.30.050(H), so no illuminated…

Every billboard erected along Folsom's Highway 50 corridor needs its design, colors and lighting approved by the…

In unincorporated Los Angeles County, outdoor advertising signs and billboards can't use exposed incandescent lamps…

Unincorporated Orange County limits how bright and where billboard lighting can shine: direct light rays must stay…

Perris bans illuminated digital displays on off-site advertising signs (billboards) citywide unless approved through a…

When Riverside allows a legally nonconforming billboard to relocate onto the same parcel after annexation, RMC §…

Digital freeway billboards in Vacaville cannot shine brighter than 0.3 foot-candles above ambient light, measured with…

Alameda's sign code lets lights illuminating a billboard or other advertising structure project up to four feet past…

Anaheim caps how bright any lighted sign, including freeway billboards, may shine: no more than 250 foot-lamberts of…

Bakersfield lets outdoor advertising signs (billboards) be illuminated, but only "provided no lighting is directed onto…

Digital billboards approved under Baldwin Park's freeway-corridor billboard rule cannot exceed 0.3 foot candles above…

Buena Park caps digital billboard brightness at 0.3 foot candles above ambient light and requires a light-sensing…

Clovis caps the brightness of any illuminated sign, including a billboard or off-site advertising structure, at 10…

Compton bars billboard illumination that interferes with traffic signals, flashes or moves, or throws glare at drivers…

Any externally illuminated sign, billboard, advertising display or building identification sign covered by Davis's…

El Cajon's citywide sign illumination standard, Municipal Code Section 17.190.100, caps frosted incandescent sign lamps…

Digital billboards in El Monte's Billboard Overlay Zone cannot exceed 0.3 foot candles above ambient light and need a…

Fresno County caps how billboard and sign lighting may be aimed: illumination must concentrate on the sign face itself…

Freeway-oriented electronic billboards in Fullerton must carry a light-sensing device that automatically dims or…

Garden Grove caps the brightness of electronic billboards along the SR-22 Freeway Corridor at 0.3 foot-candles above…

Glendale's Nonessential Energy Use ordinance sets exact billboard lighting hours: sunset to ten-thirty p.m., once the…

Freeway Overlay Zone billboards in Hawthorne cannot use red, blinking, or intermittent lighting that could be mistaken…

Hemet requires every digital billboard authorized under its relocation and net reduction program to use…

Inglewood lets monument signs, wall signs, and billboards carry external spotlights, but pole and projecting signs must…

Outdoor and off-site advertising structures in unincorporated Kings County must aim their lighting away from…

Any sign larger than 4 square feet in Lakewood, including a billboard, cannot be lit with unshielded lighting under…

Long Beach requires billboard illumination to be designed, aimed, and shielded so light falls only on the display…

Every illuminated sign in Los Angeles must be arranged so that its light intensity does not exceed 3 foot candles above…

Los Banos allows a billboard to be electrically illuminated but Municipal Code § 9-3.2819(i)(4)(C) draws one hard line…

Madera caps light from an exterior illuminated sign, including a billboard or advertising structure, at ten candlepower…

Mendocino County bans exposed light sources and flashing or moving lights on all signs, including the off-site…

Modesto limits electronic message boards, video display signs, and digital freeway billboards along Highway 99 to a…

Norwalk's sign ordinance forbids illuminating any sign, including an off-site billboard, in a way that focuses direct…

Oceanside's Chapter 39 Light Pollution Regulations classify billboards as Class I lighting and require most Class I…

An electronic billboard in Orange's freeway corridor cannot exceed 0.3 foot-candles of light output above the ambient…

Oxnard caps the brightness of its freeway adjacent digital display billboards at 0.3 foot-candles above ambient light…

Every outdoor advertising structure in Palmdale must be built so its lighting and support frame are screened from…

Pasadena bans electrical billboard, sign, and decorative lighting outright under Section 13.08.010, then carves out a…

Petaluma caps illuminated signs near residential zones at 30 foot-lamberts of surface brightness and bars direct…

Any lighted sign in unincorporated Placer County, including an off-premises billboard, may only be illuminated by…

Digital freeway billboards permitted inside the city's four overlay zones cannot shine brighter than 0.3 foot-candles…

An illuminated billboard in unincorporated Riverside County must be built so that no light bulb, tube, filament or…

When Roseville relocates a billboard onto city-owned land near Interstate 80 or Highway 65, Section 17.17.035(C)…

Digital billboards in unincorporated Sacramento County cannot exceed 0.3 foot-candles of illuminance above ambient…

Unincorporated San Benito County requires internally illuminated outdoor advertising signs to use opaque backgrounds…

Off-site sign (billboard) illumination in unincorporated San Bernardino County must comply with the county's outdoor…

Unincorporated San Diego County requires billboard and other off-premises sign lighting to be fully shielded, aimed…

San Jose limits billboard illumination to continuous, non-flashing lighting under Municipal Code § 23.04.450(F), and…

Santa Ana caps every digital billboard's brightness at 0.3 foot-candles over ambient light and requires a photocell or…

Illuminated advertising signs, including off-premise billboards, within the Eastern Goleta Valley Community Plan area…

Electronic billboards and other digital display signs in Santa Clara cannot exceed 5,000 nits during daylight hours or…

Santa Clarita caps digital billboard brightness at 0.3 foot candles above ambient light measured from 250 feet away…

Thousand Oaks keeps illuminated signs away from homes: an illuminated sign can't be erected within 75 feet of a…

Vallejo caps digital and electronic billboard brightness at 160 Nits at night and during daytime fog or heavy overcast…

Victorville's general sign-illumination rules, including a 15-watt bulb cap and a ban on flashing displays, do not…

Westminster caps electronic billboard illumination at 0.3 foot-candles above ambient light, measured at 250 feet for…

Vista's citywide 11 p.m. lighting curfew carves out an exception for on-premises advertising signs and billboards…