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Clay County, MO Outdoor Lighting: Light Trespass & Shielding (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Foot-candle limit
None (county)
Commercial rule
Shield at property line
Code sections
LDC 151-4.11 to 4.13
Residential remedy
Private nuisance
Airport glare
Sec. 151-5.5

Summary

Unincorporated Clay County sets no numeric light-trespass limit for homes. Its Land Development Code makes commercial and industrial lighting shield the source at property lines next to homes or farms, and residential glare disputes are handled as private nuisance.

These county ordinances apply to unincorporated areas of Clay County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Lighting sources shall be designed and located so that the direct source of the light is shielded from view at all property lines abutting residential or agricultural zoning districts.

Source: Revised Statutes of MissouriView official code

Official source re-checked September 8, 2026: the cited page had not changed since it was quoted.

Full Breakdown

There is no Missouri light-trespass statute and no county foot-candle limit on residential lighting in unincorporated Clay County. The enforceable rule applies to commercial and industrial development, where the Land Development Code requires lighting to be designed and located so the direct source is shielded from view at every property line abutting a residential or agricultural district (LDC Sec. 151-4.11 through 151-4.13). Near airports, added standards keep glare off flight paths under Sec. 151-5.5. When a neighbor's floodlight spills onto your home, the county has no lighting citation for houses, so the remedy is a private nuisance claim, an HOA rule where one applies, or the city code in Liberty, Gladstone, or Kansas City.

Violations & Fines

Commercial lighting that spills past the property line is corrected through zoning enforcement under LDC Sec. 151-14. Residential light-trespass has no county penalty and is pursued as a civil nuisance or under a city ordinance.

Frequently Asked Questions

My neighbor's floodlight shines into my window. Can the county cite them?
Not in unincorporated Clay County; there is no residential light-trespass ordinance. Your remedies are a private nuisance claim, an HOA rule, or a city ordinance if you live in a city.
Is there a limit on light crossing property lines?
Only for commercial and industrial sites, which must shield lighting so the source is hidden at property lines next to homes or farms under LDC Sec. 151-4.11.

Sources & Official References

Other rules in Clay County

Dark Sky RulesSome RestrictionsAnimal Ordinances: Wildlife FeedingSignificant RestrictionsFire Regulations: Brush ClearanceSignificant RestrictionsPublic Conduct: Public Alcohol UseSome RestrictionsSpecial Events & Permits: Park Event PermitsSignificant RestrictionsSpecial Events & Permits: Street Fair RulesSignificant RestrictionsSoliciting & Door-to-Door: Solicitor PermitsLight Restrictions

All Clay County rules

Compare Clay County to another location·View the Missouri outdoor lighting overview

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