Bolthole Index

Manitowoc County, Wisconsin

Zoning, building permits and septic rules in Town of Schleswig, Wisconsin

Town of Schleswig is a town in Manitowoc County, Wisconsin. Town of Schleswig adopts its own zoning, so inside its limits Town of Schleswig’s rules apply, not the county’s. Septic permits inside Town of Schleswig come from Manitowoc County (Manitowoc County Planning and Zoning Department - Sanitary (POWTS)). 8 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Manitowoc County page.

Answers from the rulebook for Town of Schleswig

Town of Schleswig’s own rules

  • Building permitRequired

    Construction projects inside Schleswig town covered by Manitowoc County's guide to building in unincorporated areas.

    • The county guide directs the applicant to obtain a zoning/setback permit before obtaining the Town building permit.
    “Obtain a zoning/setback permit from Manitowoc County Planning & Zoning Department. An accurate site plan of the proposed development must be submitted. The plan shall show the location and dimensions of the structure, the estimated cost of the structure, the distances to all property lines, the centerline of the road and to the ordinary high water mark if applicable. (See example on previous page.) 10. Obtain Town building permit.”
  • Building code adoptedAdopted (with conditions)

    Wisconsin Uniform Dwelling Code administration in the Town of Schleswig.

    • The ordinance-index entry states that the adoption was amended by Ordinance 2007-04.
    “Adopt the Wisconsin Uniform Dwelling Code for the Town of Schleswig”
  • Local zoningPresent (with conditions)

    Zoning changes and variance requests for land inside the Town of Schleswig.

    • The Town Plan Commission considers the request and recommends action; the Town Board approves or denies it before the County Board of Adjustment or Planning and Park Commission acts.
    “The Town Board must then approve or deny the request.”
  • Who permits septicCounty (with conditions)

    Private sewage-system permitting for land inside Schleswig town.

    • Applications must be on a state-approved form and signed by a master plumber or master restricted plumber (sewer).
    “All applications for septic systems must be submitted to the County”
  • Septic permitRequired

    Installation, alteration, or land-use change connected to a private sewage system inside Schleswig town.

    • The property owner must hold a valid sanitary permit; the county requires applications on a state-approved form signed by a master plumber or master restricted plumber (sewer).
    “No person may install, locate, move, reconstruct, extend, enlarge, alter, convert, or modify a private sewage system or change the land use connected to the system, unless the owner of the property on which such private sewage system is located, or is to be located, holds a valid sanitary permit. All applications for septic systems must be submitted to the County on a State approved form signed by a master plumber or master restricted plumber (sewer).”
  • Off-grid sanitationLimited

    New-home sanitation inside Schleswig town.

    • Holding tanks are not allowed for new construction; a soils evaluation determines the type of septic system required.
    “New home construction: Obtain a Soils Evaluation to determine what type of septic system will be required. (The Towns of Gibson, Kossuth, Mishicot, Maple Grove, Schleswig, Two Creeks, & Two Rivers do not allow holding tanks for new construction.)”
  • Subdividing landRegulated (with conditions)

    A parcel inside Schleswig town that is not an existing tract of land and is less than 15 acres.

    • The parcel must not be an existing tract of land and must be less than 15 acres.

    parcel area threshold: < 15 acres (Only when the parcel is not an existing tract of land.)

    “If the parcel is not an existing tract of land and is less than 15 acres, a Certified Survey Map is required.”
  • Permit processPartial

    New construction inside Schleswig town covered by the county's unincorporated-area building guide.

    • A zoning/setback permit requires an accurate site plan showing structure location and dimensions, estimated cost, distances to property lines, road centerline, and ordinary high-water mark if applicable; obtain the Town building permit after that step.
    “Obtain a zoning/setback permit from Manitowoc County Planning & Zoning Department. An accurate site plan of the proposed development must be submitted. The plan shall show the location and dimensions of the structure, the estimated cost of the structure, the distances to all property lines, the centerline of the road and to the ordinary high water mark if applicable. (See example on previous page.) 10. Obtain Town building permit.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Schleswig or Manitowoc County directly.

  • Owner-builder exemption — Owner-builders constructing residences inside Schleswig town.
  • Inspections — Building inspections for construction inside Schleswig town.
  • Certificate of occupancy — Certificates of occupancy for buildings inside Schleswig town.
  • Minimum dwelling size — Single-family dwellings inside Schleswig town.
  • Minimum lot size — Residential zoning districts inside Schleswig town.
15 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic inspection
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Short-term rentals
  • Permit fees

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Town of Schleswig publishes no rule on the point, not that none exists. Manitowoc County’s page lists the county offices to call.

← All of Manitowoc County: county rules, score and offices