Kenosha County, WI Accessory Structures: ADU Rental Restrictions (2026)
Key Facts
- Occupant rule
- Must be family of resident
- Qualifying relation
- Blood, marriage, or adoption
- Unrelated tenants
- Not permitted
- Recorded affidavit
- Required with Register of Deeds
- Separate utilities
- Not permitted
Summary
Kenosha County limits who can live in an Accessory Living Unit: the occupant must be a resident related by blood, marriage or adoption to the resident of the main single-family dwelling, which bars renting the unit to an unrelated tenant.
(k) The Accessory Living Unit shall be occupied by a resident related through blood, marriage or adoption to the resident occupant of the single-family dwelling.
Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 37 (2026), passed March 17, 2026).
Full Breakdown
Kenosha County's Accessory Living Unit standard does not just discourage renting the unit out; it bakes the family-only restriction into the very definition of the use. ' Because the relation requirement sits inside the definition itself, leasing the unit to an unrelated tenant does not merely violate a permit condition, it takes the structure outside the Accessory Living Unit classification entirely. An owner who wants to rent to someone unrelated to the household would need a different zoning approval, such as converting the structure into a legally recognized two-family dwelling in a district that allows that use, rather than operating it as an Accessory Living Unit. 040(n)).
Violations & Fines
Occupying or renting an Accessory Living Unit to a person not related by blood, marriage or adoption to the main dwelling's resident violates Section 12.22.040(k) and is enforceable under Kenosha County Code Section 12.53.010: a forfeiture of $10 to $500 plus prosecution costs, with each day of continued violation a separate offense, and up to 30 days in jail if the forfeiture is unpaid.
Frequently Asked Questions
Can I rent my Kenosha County accessory living unit to a stranger?
Is the family-occupancy rule just a permit condition I can apply to waive?
What has to be filed before I can build the unit?
Sources & Official References
Other rules in Kenosha County
Compare Kenosha County to another location·View the Wisconsin accessory structures overview
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