Unincorporated Manitowoc County, Wisconsin requires a county zoning/setback permit for new construction and a separate town building permit for a new home1. Wisconsin's Uniform Dwelling Code covers one- and two-family homes built since June 1, 19802. County general zoning applies in 16 of the county's 18 towns, while shoreland and floodplain zoning applies countywide3.
At a glance
- Building permit
- Get the county zoning/setback permit, then the town building permit for a new home1
- Zoning
- County general zoning covers 16 of 18 towns; shoreland and floodplain zoning is countywide3
- Septic
- A soils evaluation, plumber-designed system and county sanitary permit are required for a new home on private sewage4
- Owner-builder
- An owner who occupies or will occupy the home may take out the construction and erosion-control permits5
- Minimum lot
- Varies by zoning district, from residential lots measured in square feet to 20-acre districts6
- Road setback
- 60 feet from a town road and 100 feet from a county or state highway in county-regulated districts7
- RV or tiny home
- Residential occupancy rules were not confirmed; ask the county and the parcel's town3
Who to call
Planning & zoning
Manitowoc County Planning and Zoning Department
Zoning, sanitary (POWTS), and shoreland administration for unincorporated Manitowoc County
4319 Expo Drive, Manitowoc, WI 54220
Zoning
Manitowoc County Planning and Zoning Department - Zoning
General county zoning administration and zoning/setback permits for towns under Manitowoc County General Zoning
Septic permits
Manitowoc County Planning and Zoning Department - Sanitary (POWTS)
Private Onsite Wastewater Treatment System (POWTS/septic) permitting for unincorporated Manitowoc County
Planning & zoning
Manitowoc County Planning & Zoning Department - Guide to Building (Rural Areas)
Step-by-step guidance for building in the unincorporated areas of Manitowoc County: zoning, driveway access, surveys, septic siting, and permits
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in Manitowoc County, Wisconsin?
Yes. New construction in unincorporated Manitowoc County follows a two-part local process: obtain a county zoning/setback permit with an accurate site plan, then obtain the town building permit1. Wisconsin's Uniform Dwelling Code applies statewide to one- and two-family dwellings built since June 1, 19802. The owner who occupies or will occupy the finished home may take out the construction and erosion-control permits, but that owner-builder option does not waive the permits or code requirements5. During construction, request an inspection for each phase before covering the work; the inspector has two business days after notification and readiness before the work may be covered8. Occupancy follows a final inspection with no major health or safety violations, although only some municipalities issue a separate occupancy permit9.
Who issues building permits in Manitowoc County?
Start with the Manitowoc County Planning and Zoning Department at 4319 Expo Drive, Manitowoc, WI 54220, or call 920-683-418510. The county handles the zoning/setback side of rural construction, while the applicable town handles the building permit under the statewide dwelling code1. Before settling on a house site, ask Planning and Zoning whether the use fits the parcel's zoning and whether floodplain or wetland constraints affect it1. Also identify the town's building inspector and ask how to submit plans, schedule phase inspections and document final approval89. Permit administration can be municipal, county or state depending on the municipality, so the parcel's exact location matters2.
Does Manitowoc County have zoning?
Manitowoc County general zoning covers 16 of the county's 18 towns; Franklin and Newton are not on the county's participating-town list, while county shoreland and floodplain zoning applies countywide3. In county-regulated districts, minimum lot area varies sharply by district: Rural Residential is 1 acre, Large Estate Residential is 5 acres, and Exclusive Agriculture and Natural Areas are 20 acres6. Road setbacks are 60 feet from a town road and 100 feet from a county or state highway; the ordinary-high-water-mark setback is 75 feet, and Lake Michigan setbacks are usually greater7. Maximum building height is either 35 or 60 feet depending on district, but farm structures and their parts are exempt from those height restrictions11. That farm exception is not a blanket exemption from permits, zoning, septic or floodplain rules12.
How do septic permits work in Manitowoc County?
The Manitowoc County Planning and Zoning Department administers the county sanitary code, while Wisconsin's POWTS rules also govern private septic systems13. For a new home using private sewage in unincorporated Manitowoc County, begin with a soils evaluation to determine the suitable system type4. A licensed plumber then designs the system and submits the application for county review; after plan approval, the county issues the permit and the plumber may install the system4. Do that work early: only 2.6% of county soils are rated without severe limitations for a conventional septic drain field, so a parcel may need a more involved design14. The available rules do not confirm county-specific inspection requirements or whether an off-grid sanitation alternative is allowed; ask the Planning and Zoning Department before relying on either option10.
Can you live in an RV or tiny home in Manitowoc County?
We could not confirm a county rule that answers long-term RV occupancy, temporary private-land camping or tiny-home occupancy in Manitowoc County. Ask both the Manitowoc County Planning and Zoning Department and the parcel's town before buying or moving a unit onto the land, because county general zoning covers only 16 of the county's 18 towns and local authority depends on location310. A tiny home intended as a dwelling still has to fit the applicable zoning district, lot and setback framework; county district minimums range from residential lots measured in square feet to 20-acre agricultural or natural-area lots67. Do not use state-park camping rules as an answer for private property: those rules govern state park campsites, not residential use of private land15.
Building a home in Manitowoc County: the steps, in order
- Ask county Planning and Zoning whether the proposed use fits the parcel and whether floodplain or wetland constraints affect the building site1.
- Confirm driveway access with the County Highway Department or the town; a proposed location can prevent access, and field access may not qualify as residential access16.
- For private sewage, obtain a soils evaluation and have a licensed plumber design and submit the septic system for county approval4.
- Submit the county zoning/setback application with a site plan showing the structure, estimated cost, property-line distances, road centerline and ordinary high-water mark where applicable1.
- Obtain the town building permit before beginning dwelling construction1.
- Request each phase inspection before covering the work, then receive a satisfactory final inspection before occupancy89.
What should you check before buying land in Manitowoc County?
Confirm the town and zoning district first, because the district determines lot area, setbacks and height, and Franklin and Newton are outside the county general-zoning list36711. Verify legal residential driveway access before treating an existing field entrance as usable16. Order a soils evaluation early: only 2.6% of county soils are rated without severe limits for a conventional drain field14. Near water, confirm the applicable ordinary-high-water-mark setback, especially along Lake Michigan where setbacks are usually greater than 75 feet7. For a state-highway connection, WisDOT requires a connection permit17. Typical county figures put a home around $265,544, the median annual property-tax bill around $2,660 and farmland around $7,751 per acre, but parcel-specific prices and taxes will vary181920.
Watch-outs
- Franklin and Newton are not on Manitowoc County's general-zoning list, so ask the town what rules apply before assuming county district standards control3.
- A proposed driveway location can prevent access, and an existing field entrance may not establish residential access16.
- Lake Michigan setbacks are usually greater than the county guide's 75-foot ordinary-high-water-mark figure7.
Sources
- Building a Structure in the Rural Areas of Manitowoc County, quoted and re-checked
- One- & Two-Family (Uniform Dwelling Code), quoted and re-checked
- Manitowoc County - Zoning (2026 county census)
- Building a Structure in the Rural Areas of Manitowoc County, quoted and re-checked
- Wisconsin’s Uniform Dwelling Code, quoted and re-checked
- Building a Structure in the Rural Areas of Manitowoc County, quoted and re-checked
- Building a Structure in the Rural Areas of Manitowoc County, quoted and re-checked
- Wisconsin’s Uniform Dwelling Code, quoted and re-checked
- Wisconsin’s Uniform Dwelling Code, quoted and re-checked
- Manitowoc County Planning and Zoning Department (manitowoccountywi.gov)
- Building a Structure in the Rural Areas of Manitowoc County, quoted and re-checked
- Building a Structure in the Rural Areas of Manitowoc County, quoted and re-checked
- Sanitary - Manitowoc County, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Camping Rules — Wisconsin State Park System (Wisconsin statewide rule), quoted and re-checked
- Building a Structure in the Rural Areas of Manitowoc County, quoted and re-checked
- State highway connection permits (driveways & more) (Wisconsin statewide rule), quoted and re-checked
- Typical home value (Zillow): Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Farmland value per acre (USDA census): Bolthole Index county data
Written September 29, 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.