Building permits, zoning and land rules in Kenosha County, Wisconsin

At a glance

Building permit

Required for a new one- or two-family home through the local building inspector or other authorized inspection authority¹

Zoning

County zoning in unincorporated Brighton, Paris, Randall, Somers and Wheatland; incorporated municipalities may have separate ordinances²⁶

Septic permit

Required for unsewered construction and must issue before the county zoning permit⁴⁷

Owner-builder

An owner who occupies or will occupy the home may take out construction and erosion-control permits⁸

Home size and setbacks

Minimum total and first-floor area vary by district; setbacks also depend on district and location⁹¹⁰

RV or tiny home

No countywide private-land occupancy rule was confirmed; ask the zoning authority for the parcel¹¹

County-trunk driveway

The county publishes a separate application to construct or modify a driveway on a county trunk highway¹²¹³

Septic soil suitability

About 4.6% of soils rate “not limited” for a conventional drain field; a low share does not mean septic is impossible¹⁴

Who to call

Contact details are copied from each office’s official page and were checked against it on October 15, 2026.

Do you need a building permit in Kenosha County, Wisconsin?

A new one- or two-family home in Kenosha County requires a building permit under Wisconsin’s Uniform Dwelling Code (UDC), the statewide building code for one- and two-family dwellings built since June 1, 1980¹⁵¹⁶¹. The local building inspector or other authorized inspection authority issues the building permit after applicable approvals; county zoning approval must come first in county-administered unincorporated areas¹³. Required inspections include footings, foundation, rough construction, insulation and final inspection; call the inspector identified on the UDC permit before covering work¹⁷¹⁸. Occupancy follows a final inspection with no major health or safety violations, and the county compliance form requires an occupancy permit from the local building inspector¹⁹²⁰. An owner who occupies or will occupy the home may take out construction and erosion-control permits without waiving other approvals⁸.

Who issues building permits in Kenosha County, and how do you reach the county offices?

Kenosha County’s Division of Planning & Development handles county zoning in unincorporated areas and sanitary permits countywide⁶⁵. The office is at 19600 75th St, Suite 185-3, Bristol, WI 53104, phone 262-857-1895²¹. Town of Randall and Village of Paddock Lake administer their own building permits; septic permitting stays with the county, with Paddock Lake also requiring village certification that public sewer is unavailable^22232425. For a county zoning permit, submit the application, stake-out survey, construction drawings, floor plans, elevations and fees; a complete application is expected to take about 7 to 10 working days to review, provided the documents contain all pertinent information²⁶²⁷. County zoning fees depend on the application and published Planning and Development fee schedule; we could not confirm every current amount²⁸²⁹.

Does Kenosha County have zoning?

Kenosha County’s General Zoning and Shoreland/Floodplain Zoning Ordinance applies to all unincorporated areas, which means Brighton, Paris, Randall, Somers and Wheatland; incorporated municipalities may have their own zoning ordinances³⁰². Kenosha and Village of Paddock Lake have their own zoning; Kenosha County Planning & Development remains the countywide septic authority³¹³²⁵. Find the county district map through Interactive Mapping, the local town hall or Planning & Development³³. Minimum total and first-floor dwelling area vary by district; setbacks depend on district and location, with water bodies, wetlands and floodplains potentially adding limits⁹¹⁰. In the county’s R-1 Rural Residential District, lots need at least 5 acres and 300 feet of frontage; frontage may fall to 150 feet on a cul-de-sac or curve if width at the required setback line is at least 300 feet³⁴. The county zoning-permit exemption for farm structures applies only to buildings not for human habitation, not permanently fixed to the ground and readily removable in their entirety, and the district’s street, side, rear and shore-yard setbacks must still be met; a local building permit may still be required³⁵³⁶.

How do septic permits work in Kenosha County?

Kenosha County’s Division of Planning & Development administers sanitary permits for private onsite wastewater treatment systems (POWTS) countywide⁵. A Wisconsin-licensed Master Plumber or Master Plumber Restricted Service applies for the owner through the county’s online permitting system³⁷. A home on a private sewage system needs a sanitary permit from the county or municipality having authority, and a private well needs its own permit⁷. Unsewered residential construction needs its sanitary permit before the county zoning permit; sewer-served property may not need a sanitary permit⁴. The POWTS office is at 19600 75th Street, Suite 185-3, Bristol, WI 53104, phone 262-857-1895³⁸. All POWTS require inspection and service regardless of installation date; the event may involve pumping treatment tanks or evaluating total solids accumulation³⁹. Systems with a sanitary permit normally have a minimum 3-year maintenance interval, except holding tanks and systems with pretreatment units; owners must ensure service-event data reaches the county portal⁴⁰. Only about 4.6% of soils rate “not limited” for conventional drain fields: evaluate the site early, but do not interpret that rating as making septic impossible¹⁴.

Can you live in an RV or tiny home on your land in Kenosha County?

We could not confirm whether residential RV use or temporary camping is allowed on private land in Kenosha County; ask Planning & Development which zoning authority governs the parcel⁴¹²¹. Tiny-home occupancy also remains unconfirmed, but county zoning districts do set minimum total and first-floor dwelling areas, so a small floor plan needs a district-specific check⁹. Short-term rentals are only partly answered: Kenosha County Public Health handles tourist rooming houses under Wisconsin ATCP 72, but that does not settle zoning for every short-term rental, so confirm zoning first if you plan to rent the place out⁴². The county’s mobile-home or manufactured-home park and subdivision district does not establish that an individual RV, manufactured home or tiny home is allowed on every parcel⁴³. Ask the zoning authority about the unit, occupancy duration, floor area and required utilities before committing to a design²¹⁹.

How do you build a home in Kenosha County, Wisconsin, step by step?

1. Identify the parcel's zoning authority and district; Kenosha County administers zoning in specified unincorporated towns, while incorporated municipalities apply their own rules⁴⁴⁴⁵.
2. Check district use, lot size, dwelling floor area, setbacks and access rules; a driveway onto a county trunk highway needs the county’s separate application to construct or modify it, and other local access permits may also apply, state or U.S. highway access goes to WisDOT, and local-road access goes to the municipality^349101213.
3. For unsewered land, have a licensed plumbing professional apply for the county sanitary permit before the zoning permit can issue⁵⁴.
4. Submit the zoning application, stake-out survey, construction drawings, floor plans, elevations and applicable county fee³⁴⁶.
5. After zoning approval, apply through the municipal inspection department or Wisconsin DSPS, as applicable, for the UDC building permit⁴⁷⁴⁸.
6. Schedule construction inspections before covering work¹⁸.
7. Complete the final inspection before occupancy and obtain a local occupancy permit where required¹⁹²⁰.

What should you check before buying land in Kenosha County, Wisconsin?

Confirm the zoning authority and district before relying on a listing's description of possible uses⁴⁵⁴⁹. In the county's R-1 district, the minimum is 5 acres and 300 feet of frontage, subject to the stated cul-de-sac or curve exception; other districts differ³⁴. A division creating 5 or more parcels or building sites, including the remnant, can require subdivision platting when a resulting parcel is 5 acres or less and the divisions occur within 5 years⁵⁰. Only about 4.6% of Kenosha County soils rate “not limited” for a conventional drain field; arrange a site evaluation rather than treating that rating as proof that septic is impossible¹⁴. A home using a private well needs a well permit from the county or municipality having authority; ask Planning & Development to identify the parcel’s authority⁵¹²¹. Check mapped floodplain before placing a house or fill; construction or fill in the 100-year floodplain is generally barred except for limited work approved in advance⁵². Match driveway approval to the road authority; county trunk highways have their own driveway application¹²¹³. The effective property-tax rate is about 1.7%, and the median annual property-tax bill is about $4,180⁵³⁵⁴.

Watch-outs

• A county zoning permit is not the building permit; new-home applicants proceed to the municipal inspection department or Wisconsin DSPS, as applicable, after county zoning approval³⁴⁷⁴⁸.
• An unsewered parcel needs its sanitary permit before Kenosha County can issue the zoning permit, so septic feasibility can control the whole construction schedule⁴.
• All Kenosha County POWTS require inspection and service regardless of installation date, and owners must ensure the county receives service-event reports⁴⁰.

Sources

1. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
2. Residential Permits, quoted and re-checked
3. New Residential Construction, quoted and re-checked
4. County of Kenosha residential permit process, quoted and re-checked
5. Sanitary Forms List, quoted and re-checked
6. Zoning & Land Development, quoted and re-checked
7. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
8. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
9. Zoning Districts (unincorporated areas), quoted and re-checked
10. New Residential Construction, quoted and re-checked
11. Zoning & Land Development, quoted and re-checked
12. New Residential Construction, quoted and re-checked
13. Permitting Process for New Residential Construction, quoted and re-checked
14. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
15. One- & Two-Family (Uniform Dwelling Code), quoted and re-checked
16. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
17. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
18. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
19. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
20. Certificate of Compliance, quoted and re-checked
21. Kenosha County Division of Planning & Development (kenoshacountywi.gov)
22. Town of Randall: Chapter 14 Building Code (Kenosha County), quoted and re-checked
23. Village of Paddock Lake: Chapter 12: Zoning and Building Regulations (Kenosha County), quoted and re-checked
24. Town of Randall: Sanitary Forms List (Kenosha County), quoted and re-checked
25. Village of Paddock Lake: official source (Kenosha County), quoted and re-checked
26. New Residential Construction, quoted and re-checked
27. New Residential Construction, quoted and re-checked
28. New Residential Construction, quoted and re-checked
29. Residential Permits, quoted and re-checked
30. Ordinances, quoted and re-checked
31. Kenosha: Kenosha Code of Ordinances § 20.05 (Kenosha County), quoted and re-checked
32. Village of Paddock Lake: Chapter 12: Zoning and Building Regulations (Kenosha County), quoted and re-checked
33. Zoning & Land Development, quoted and re-checked
34. 12.32.010 R-1 rural residential district, quoted and re-checked
35. Residential Permits, quoted and re-checked
36. Residential Permits, quoted and re-checked
37. Sanitary Forms List, quoted and re-checked
38. Kenosha County Division of Planning & Development — POWTS Program (kenoshacountywi.gov)
39. Septic & Pump Tank Maintenance, quoted and re-checked
40. Septic & Pump Tank Maintenance, quoted and re-checked
41. Zoning & Land Development, quoted and re-checked
42. Lodging & Recreation Establishments, quoted and re-checked
43. Zoning Districts (unincorporated areas), quoted and re-checked
44. Zoning & Land Development, quoted and re-checked
45. Frequently Asked Questions - Zoning and Land Development, quoted and re-checked
46. New Residential Construction, quoted and re-checked
47. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
48. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
49. Zoning Districts (unincorporated areas), quoted and re-checked
50. Subdivision Platting, quoted and re-checked
51. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
52. Floodplain Protection & Zoning Information, quoted and re-checked
53. Effective property tax rate: Bolthole Index county data
54. Median property tax bill: Bolthole Index county data

Written October 15, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.