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Clay County, MO Outdoor Lighting: Dark Sky Rules (2026)

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

Key Facts

State dark-sky law
None
Residential county rule
None
Commercial standard
Shielded at property line
Code section
LDC Sec. 151-4.11
Airport glare
Sec. 151-5.5

Summary

Clay County has no dark-sky ordinance for homes, but its Land Development Code requires commercial and industrial lighting to be shielded so the light source is hidden at any property line next to a residential or agricultural district. Cities may add their own lighting rules.

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

Missouri has no statewide dark-sky law, and unincorporated Clay County does not regulate residential porch or yard lighting. The county's lighting standards sit in the Land Development Code for commercial and industrial development: in the C-1, C-2, and C-3 districts, lighting must be designed and located so the direct light source is shielded from view at property lines abutting residential or agricultural zones (LDC Sec. 151-4.11). Airport-area development faces added glare limits under Sec. 151-5.5 to protect pilots. Kansas City and other Clay County cities apply their own lighting and glare provisions. For a neighbor's residential light, the practical remedy is a private nuisance approach.

Violations & Fines

Nonconforming commercial lighting is corrected through the county's zoning enforcement under LDC Sec. 151-14, which can require reaiming or shielding fixtures. Residential light disputes are generally handled as private nuisance matters.

Frequently Asked Questions

Does Clay County require dark-sky lighting?
There is no county dark-sky or residential lighting ordinance and no Missouri statute. Only commercial and industrial development must shield lighting at property lines under the Land Development Code.
Do commercial lights have to be shielded?
Yes. In the C-1, C-2, and C-3 districts, lighting must be located so the direct source is shielded from view at any property line next to a residential or agricultural district.

Sources & Official References

Other rules in Clay County

Light Trespass & ShieldingSome 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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