Bolthole Index

Fond du Lac County, Wisconsin

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

Town of Osceola is a town in Fond du Lac County, Wisconsin. Town of Osceola adopts its own zoning, so inside its limits Town of Osceola’s rules apply, not the county’s. Septic permits inside Town of Osceola come from the county and state together. 3 rules below are quoted from official sources and independently re-checked, most recently on November 9, 2026. Rules for unincorporated land are on the Fond du Lac County page.

Answers from the rulebook for Town of Osceola

Town of Osceola’s own rules

  • Building permitLimited

    Construction inside the Town of Osceola that is within the County Shoreland Zoning boundary.

    • The County Shoreland Zoning jurisdiction covers development or a structure within 300 feet of a navigable waterway or 1,000 feet of a lake.
    • A Fond du Lac County land-use permit must be applied for before construction within those distances.
    • Before the Town Permit Officer may issue the Town building permit, the applicant must provide Fond du Lac County correspondence showing the proposed use complies with the County Shoreland Zoning Ordinance.

    shoreland distance from navigable waterway: <= 300 feet · shoreland distance from lake: <= 1000 feet

    “a building permit must be obtained from Town's Permit Officer prior to construction within the Shoreland Zoning boundary.”
  • Local zoningPresent (with conditions)

    Land inside the Town of Osceola, Fond du Lac County, Wisconsin.

    • The ordinance identifies its text date as February 11, 2014, DATCP certification as April 11, 2014, and Town adoption as June 9, 2014.
    • Land and structures must fully comply with the zoning ordinance; the ordinance regulates and restricts land use, buildings, yards, density, and zoning districts.
    “the Town Board of Osceola, Fond du Lac County, Wisconsin, does hereby ordain these zoning regulations.”

Rules another office applies inside Town of Osceola

Town of Osceola does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Who permits septicMixed (with conditions)

    Private onsite wastewater treatment systems (POWTS) serving land inside the Town of Osceola.

    • Fond du Lac County's Code Administrator is the issuing agent and administers the POWTS program.
    • A State sanitary permit is required before a POWTS or part of one is installed, replaced, reconnected, or modified; minor repairs are excepted.
    • A State sanitary permit must be obtained before issuance of a building permit for construction of a structure requiring a POWTS.
    • A County sanitary permit is required before constructing or installing a privy.
    • A sanitary permit is valid for two years from its original issuance.

    sanitary permit validity: 2 years (from original date of issuance)

    “The Fond du Lac County Code Administrator shall act as the Issuing Agent and is hereby assigned the duties of administering the POWTS program.”

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.

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