Outdoor Lighting in Missouri (2026)

Clay County has no dark-sky ordinance for homes, but its Land Development Code requires commercial and industrial…

Any outdoor light in Columbia, Missouri brighter than 900 lumens, about a 60-watt bulb, must use an IESNA full cutoff…

Florissant's Section 405.251, adopted by Ordinance No. 9109 on September 22, 2025, requires new and replacement outdoor…

Beyond keeping light off a neighbor's yard, Independence's Unified Development Ordinance dictates the hardware itself…

Kansas City requires outdoor light fixtures over 4,050 lumens to be at least partially shielded, capping spillover onto…

Kirkwood requires nearly all new or replaced outdoor lighting fixtures to be full cutoff, with no light emitted at or…

Lee's Summit requires new outdoor lighting to use full cut-off, Dark-Sky-approved fixtures. UDO Section 8.220 mandates…

O'Fallon bars any exterior light fixture from being oriented so its lighting element or lens is visible from a…

Springfield's Land Development Code caps ordinary outdoor light fixtures at 15 feet, but a fixture with total cutoff…

St. Charles County caps exterior lighting at 0.50 foot-candles measured at the property line, bans fixtures aimed into…

St. Louis County zoning caps outdoor light spillover at one-tenth of a footcandle onto neighboring "NU," "PS," and "R"…

New off-street parking and loading areas in unincorporated Cass County must use minimal lighting that avoids a negative…

In a Character Preservation Overlay District, Boone County caps commercial and industrial outdoor lighting fixtures at…

In unincorporated Cass County, off-street parking and loading area lighting must stay minimal and cannot cast light…

Unincorporated Clay County sets no numeric light-trespass limit for homes. Its Land Development Code makes commercial…

Columbia, Missouri requires every security light to be shielded and aimed so illumination stays on the intended area…

Florissant's Section 405.251 caps how much light can spill past a lot line: fixtures may not exceed 0.1 foot-candle on…

Independence's Unified Development Ordinance limits how much light from a shielded fixture may cross onto a neighbor's…

In unincorporated Jackson County, off-street parking lot lighting must be arranged or shielded so the light source…

Outdoor lights over 4,050 lumens must be at least partially shielded so light doesn't spill above the horizontal plane…

Kirkwood caps light spilling off a lot at 0.5 footcandle at finished grade generally, and drops that limit to 0.1…

Lee's Summit caps how much light a parking lot can throw onto a neighboring house. Under UDO Sec. 8.250(E), the maximum…

O'Fallon limits light trespass onto neighboring property to one-half of one foot-candle measured at the property line…

Springfield requires exterior lighting to be shaded, shielded, or directed so it doesn't adversely affect adjoining…

Section 405.421 of the St. Charles County Unified Development Ordinance stops an exterior lighting fixture, or the…

St. Louis caps drive-through carry-out restaurant parking lot light poles at 22 feet and limits spillover to no more…

St. Louis County Code §1005.320.1 makes street lights a condition of subdivision approval for anything platted since…

Boone County's zoning code bans illumination of billboards outright while allowing backlit, internal or floodlit…

Billboard illumination in unincorporated Cass County is capped at 20 foot-candles measured at the sign face. Section…

Columbia, Missouri allows floodlights and gooseneck reflectors on billboards only if the light is directed onto the…

Florissant bans rotating beacons and flashing lights on standard outdoor advertising structures and requires any…

Independence caps billboard lighting at 20 average foot-candles measured at the light source and requires external…

Off-premise sign and billboard lighting in unincorporated Jackson County must be hooded, shielded, or diffused so no…

Jefferson County lets billboards along its approved highway corridors light their faces electrically, but Section…

Kansas City requires billboard lighting to be shielded so beams don't hit roadways or homes, bans flashing or…

O'Fallon bans any revolving, rotating, flashing or moving light on a billboard outright under Section 410.170(B)(4)…

Springfield requires illuminated signs, including electronic message center billboards, to be designed to eliminate or…