Bolthole Index

Waseca County, Minnesota

Zoning, building permits and septic rules in St. Mary Township, Minnesota

St. Mary Township is a township in Waseca County, Minnesota. Septic permits inside St. Mary Township come from Waseca County. 3 rules below are quoted from official sources and independently re-checked, most recently on November 11, 2026. Rules for unincorporated land are on the Waseca County page.

Answers from the rulebook for St. Mary Township

Rules another office applies inside St. Mary Township

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

  • Building permitLimited

    New construction and most remodeling inside St. Mary township: county zoning permit required (zoning permit, not confirmed as a building-code permit)

    • Applies to zoning permits; a building-code permit/inspection requirement was not found
    • County does not issue or inspect electrical permits; state electrical inspector handles these
    • City of Waseca building permit also required for residential construction within two miles of Waseca city limits
    • General contractors need a Minnesota DLI license
    “zoning permits are required for all new construction and most remodeling, alteration and repair work in waseca county.”
  • Local zoningPresent (with conditions)

    Land inside St. Mary township, Waseca County: zoning is administered by Waseca County under its Unified Development Code, not by a township ordinance (no township-adopted zoning found)

    • Applies in townships; cities of Janesville, New Richland, Waldorf and Waseca handle their own zoning
    • Township's own zoning ordinance not found; county UDC adopted August 2009
    “the county zoning office has zoning jurisdiction in all of the townships in waseca county.”
  • Who permits septicCounty (with conditions)

    Septic (subsurface sewage treatment) permits inside St. Mary township, issued by Waseca County Planning & Zoning

    • County planning office handles rural portions of the county, not the four cities
    • Permit requirement text itself was not quoted; only the permit-handling service
    “land use permits commonly handled by this office include zoning permits, subsurface sewage treatment permits, conditional use permits”

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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