Kenosha, WI Accessory Structures: Shed & Carport Rules (2026)
Shed permit rules in Kenosha, WI, also referred to as storage shed, backyard shed, or accessory building regulations, set size limits, setbacks, and when a building permit is required.
Key Facts
- Permit-exempt size
- 120 sq ft or less, residential, one story
- Non-residential zones
- Permit required at any size
- Completion deadline
- 6 months from permit issuance
- Extension available
- Up to 1 additional year
- Unpermitted work penalty
- Fee tripled, then quintupled
Summary
Kenosha exempts one-story residential sheds, playhouses and similar accessory buildings of 120 square feet or less from a Building Code permit, but requires a permit for any size accessory building outside residential zoning. Section 9.06.F gives permitted accessory building work six months to finish.
H.Exemptions from Permit... Permits shall not be required for the following:1.Building.a.In residential uses, one (1) story Accessory Buildings used as tool or storage sheds, playhouses and similar uses, having a floor area of one hundred twenty (120) square feet or less. Permits are required for any Accessory Building of any size in any other zoning district.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 11 Update 1 | Zoning Ordinance: Supplement 9).
Full Breakdown
H, exempts small residential accessory buildings from the City's permit requirement. a, a one-story accessory building used as a tool shed, storage shed, playhouse or similar use is permit-exempt only if its floor area is 120 square feet or less and only in a residential zoning district; the same subsection makes clear that a permit is required for an accessory building of any size in any other zoning district. G lets the Code Official grant a one-time extension of up to one year if the owner shows the work commenced and progressed in a professional, workmanlike manner.
A. C requires a permit application for a new accessory building to be accompanied by a survey from a registered land surveyor, though the Code Official may waive that if property lines and building location can otherwise be verified. C, and a third offense lets the Code Official bar the contractor from working in the City for a year.
Violations & Fines
Building without a required permit triples the fee for a first offense within 12 months and quintuples it for a second, per Section 9.07.C. A third offense in 12 months allows the Code Official to bar the contractor from City work for one year. Missing the six-month completion deadline under Section 9.06.F halts further work until an extension or new permit issues under Section 9.06.G.
Frequently Asked Questions
Do I need a permit for a small backyard shed in Kenosha?
How long do I have to finish shed construction once permitted?
What happens if I build a shed without getting a permit first?
Sources & Official References
Other rules in Kenosha
How Kenosha compares: Shed Permit Requirements by City·Compare Kenosha to another location·View the Wisconsin accessory structures overview
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