Bolthole Index

Fillmore County, Minnesota

Zoning, building permits and septic rules in Preston Township, Minnesota

Preston Township is a township in Fillmore County, Minnesota. Preston Township adopts its own zoning, so inside its limits Preston Township’s rules apply, not the county’s. Septic permits inside Preston Township come from Fillmore County. 3 rules below are quoted from official sources and independently re-checked, most recently on November 6, 2026. Rules for unincorporated land are on the Fillmore County page.

Answers from the rulebook for Preston Township

Preston Township’s own rules

  • Building permitLimited

    Erecting, installing, altering, converting, or moving a building or structure in the portion of Preston Township regulated by the Fillmore County Zoning Ordinance.

    • The county ordinance applies outside incorporated municipal limits.
    • A zoning permit must be obtained before the covered work, and the ordinance's terms must be met before it is issued.
    • No permit is required for remodeling or repair; portable agricultural buildings placed on skids; agricultural concrete or blacktop where existing attached concrete plus new concrete is under 160 square feet; concrete or asphalt driveways; nonagricultural concrete or asphalt other than foundations and footings; or concrete inside an existing building regardless of size.
    • This is a county zoning/land-use permit requirement; the official material opened did not establish a separate structural State Building Code permit administrator for Preston Township.
    “A zoning permit shall be obtained prior to erecting, installing, altering, converting, moving any building or structure or part thereof, or demolition of any historically significant structure, within areas regulated by this Ordinance in Fillmore County. Before a zoning permit is issued, the terms of this Ordinance shall be met.”
  • Local zoningPresent (with conditions)

    Land inside Preston Township, Fillmore County, Minnesota, that is outside incorporated municipal limits is subject to the Fillmore County Zoning Ordinance.

    • The cited county ordinance applies outside incorporated municipal limits.
    • An incorporated municipality is covered only if it adopts the County Zoning Ordinance and states that its regulations apply within its incorporated boundaries.
    “The jurisdiction of this Ordinance shall apply to all the area of Fillmore County outside the incorporated limits of municipalities, except for those incorporated municipalities who adopt the County Zoning Ordinance stating the regulations set forth in this document apply within their incorporated boundaries.”
  • Who permits septicCounty (with conditions)

    Subsurface sewage treatment systems in unsewered areas inside Preston Township, Fillmore County, Minnesota.

    • The county ordinance covers unsewered incorporated and unincorporated areas of Fillmore County.
    • It establishes requirements for permits for installation, alteration, repair, or expansion of SSTS.
    • The ordinance incorporates minimum standards established by Minnesota statutes and Minnesota Pollution Control Agency administrative rules.
    “The jurisdiction of this Ordinance shall include all lands of the County except for incorporated areas that administer a Subsurface Sewage Treatment System (SSTS) program by Ordinance within their incorporated jurisdiction, which is at least as strict as this Ordinance and has been approved by the County. [...] The County Zoning Department shall administer the SSTS program and all provisions of this Ordinance.”

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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