Outdoor Lighting in Johnson County, IA (2026)
2 county-level rules, plus city-specific rules for 1 city in Johnson County, Iowa.
Verified from official government sources
Dark Sky Rules
Johnson County's UDO includes real Downcast Lighting Regulations for unincorporated land. Outdoor fixtures must be hooded, aimed downward no more than 45 degrees from vertical, and mounted no higher than 30 feet, with no flickering or flashing lights.
Johnson County Outdoor Lighting Standards
Some RestrictionsJohnson County UDO 8:1.25(G)
No light fixture shall be mounted any higher than thirty (30) feet above the highest established grade of any road abutting the property. ... All light figures shall be aimed downward at no more than a forty-five (45) degree angle from vertical. ... All lighting shall be hooded to reduce sky-glow.
Light Trespass & Shielding
Johnson County's UDO prohibits outdoor lighting that spills past your property line. Fixtures must be designed so light does not extend beyond the property boundaries, and bulbs must be shielded from neighboring properties and the right-of-way.
Johnson County Light Trespass Rules
Some RestrictionsJohnson County UDO 8:1.25(G)
Lighting shall be designed in a manner that prevents it from extending beyond the boundaries of the property. ... Bulbs shall be shielded from the view of other properties and the right-of-way.
Outdoor Lighting by City in Johnson County
1 cities in Johnson County have their own outdoor lighting rules. Each link goes to that city's dedicated page with code citations.
All Johnson County ordinances
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