Outdoor Lighting in Sun Prairie, WI (2026)
2 verified outdoor lighting rules for Sun Prairie, Wisconsin, sourced directly from the municipal code and official government pages.
Verified from official government sources
Dark Sky Rules
Sun Prairie bans exterior light fixtures from being oriented so their lighting element, or an unshielded transparent lens, is visible from any residentially zoned property, pushing every outdoor fixture in the city toward shielded, downward-facing designs.
Sun Prairie Outdoor Light Shielding Rule
Some RestrictionsSun Prairie Code of Ordinances § 17.36.070(D)(1)
A.Purpose. The purpose of this section is to regulate the spill-over of light and glare on operators of motor vehicles, pedestrians, and land uses in the vicinity of a light source in order to promote traffic safety and to prevent the creation of nuisances. ... D.Requirements.1.Orientation of Fixture. In no instance shall an exterior lighting fixture be oriented so that the lighting element (or...
Light Trespass & Shielding
Sun Prairie caps light spilling onto neighboring land at 0.50 footcandles measured at the property line, a numeric ceiling written directly into the city's exterior lighting standards to keep glare off adjoining properties.
Sun Prairie Light Trespass Limit
Some RestrictionsSun Prairie Code of Ordinances § 17.36.070(D)(2)
A.Purpose. The purpose of this section is to regulate the spill-over of light and glare on operators of motor vehicles, pedestrians, and land uses in the vicinity of a light source in order to promote traffic safety and to prevent the creation of nuisances. ... 2.Intensity of Illumination. In no instance shall the amount of illumination attributable to exterior lighting, as measured at the prop...
Looking for Dane County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Sun Prairie city rules.
Outdoor Lighting in Dane County →