Home Business in Jefferson County, WI (2026)
3 rules for unincorporated Jefferson County, Wisconsin.
Verified from official government sources
Zoning & Home Occupation Permits
Jefferson County caps home occupations at two per lot, requires them to stay clearly secondary to the home's residential use, limits accessory home occupations to 25 percent of the dwelling's floor area, and allows only one six-square-foot sign to advertise the business.
Home Occupation Standards in Jefferson County
Some RestrictionsJefferson County Code § 22-7
Home occupations means any occupation for gain or support conducted by resident occupants of a premises. In zoning districts in which they are allowed, all home occupations shall meet the following requirements: (1)Shall be clearly incidental and secondary to a principal residential use of the property.(2)Only two such uses shall be permitted on any lot. ... (5)One on-premises sign of not more ...
Signage Rules
A home business sign in unincorporated Jefferson County cannot exceed six square feet, must be attached to the house itself rather than freestanding, and can never be lighted at night. Section 22-707 also restricts these signs to the R-1, R-2, A, C, W, and F zoning districts where home occupations are allowed.
Jefferson County Home Occupation Sign Limits
Some RestrictionsJefferson County Code § 22-707
(a)Size. Home occupation signs shall not exceed six square feet in area.(b)Location. Home occupation signs shall be attached to the residential building in which a home occupation is permitted. Home occupation signs shall not be lighted at night.(c)Permitted zoning districts. Permitted zoning districts shall be as follows:(1)R-1 residential;(2)R-2 residential;(3)A agricultural;(4)C community;(5...
Home Daycare
Jefferson County's zoning code treats a family day care home for four to eight children as an accessory use inside an occupied dwelling, not a separate business use requiring conditional approval, while caring for fewer than four children falls outside the zoning chapter entirely.
Family Day Care Home Zoning in Jefferson County
Light RestrictionsJefferson County Code § 22-7
Family day care home, for four to eight children, means any accessory use within an occupied dwelling in which a qualified persons provide child care for four to eight children. The care of less than four children is not subject to the regulations of this chapter. Family day care homes are also regulated under Wis. Stats. § 66.1017(1)(a).
All Jefferson County ordinances
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