Outdoor Lighting in Jefferson County, WI (2026)
1 rule for unincorporated Jefferson County, Wisconsin.
Verified from official government sources
Note: These county rules apply to unincorporated areas of Jefferson County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Light Trespass & Shielding
In the towns under Jefferson County zoning, business and industrial uses cannot let direct or reflected glare cross into a neighboring residential or commercial district. It is a performance standard enforced against the source property, not a specific fixture-shielding code.
Glare and Light Trespass, Jefferson County
Some RestrictionsJefferson County Code §§ 22-1192, 22-1197
No direct or reflected glare from any B or I district shall be detectable from any R or C district boundary. ... Any violator of this section will be subject to section 1-14 and, in addition, shall pay any of the actual costs of measuring the emissions.
All Jefferson County ordinances
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