Bolthole Index

St. Croix County, Wisconsin

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

Town of Baldwin is a town in St. Croix County, Wisconsin. Septic permits inside Town of Baldwin come from the county and state together. 4 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the St. Croix County page.

Answers from the rulebook for Town of Baldwin

Rules another office applies inside Town of Baldwin

Town of Baldwin 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 on-site wastewater systems on land inside Baldwin town, St. Croix County, WI

    • State sanitary permit governs new POWTS installation; the county sanitary permit governs repair, reconnection, rejuvenation and non-plumbing sanitation.
    “A State Sanitary Permit is required for the installation of a private on-site wastewater treatment system (POWTS). A County Sanitary Permit is required for the repair, reconnection, or rejuvenation of a POWTS, or the installation of a non-plumbing sanitation (i.e. privy, composting toilet, etc.)”
  • Septic permitRequired

    Repair, reconnection, or rejuvenation of a POWTS, or non-plumbing sanitation, on land inside Baldwin town, St. Croix County, WI

    • A sanitary permit may only be submitted by a licensed plumber.
    • Staff conduct at least one inspection for all work requiring a sanitary permit.
    “A County Sanitary Permit is required for the repair, reconnection, or rejuvenation of a POWTS, or the installation of a non-plumbing sanitation (i.e. privy, composting toilet, etc.)”
    One more reviewed finding on this topic
    • Required — Installation of a new private on-site wastewater treatment system (POWTS) on land inside Baldwin town, St. Croix County, WI
      “A State Sanitary Permit is required for the installation of a private on-site wastewater treatment system (POWTS).”
  • Septic inspectionRequired

    Work requiring a sanitary permit on land inside Baldwin town, St. Croix County, WI

    • Inspections may be conducted by a master plumber, POWTS inspector, septage servicing operator, or POWTS maintainer for maintenance purposes; county staff inspect permitted work.
    “Staff will conduct at least one inspection for all work requiring a sanitary permit.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder exemption inside Baldwin town
  • Building code adopted — Building code adopted for land inside Baldwin town
  • Inspections — Building inspection for new construction inside Baldwin town
  • Certificate of occupancy — Certificate of occupancy for new homes inside Baldwin town
  • Local zoning — Land inside Baldwin town, St. Croix County, WI
21 more unanswered
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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 Baldwin publishes no rule on the point, not that none exists. St. Croix County’s page lists the county offices to call.

Off-grid gear

Going off-grid in Town of Baldwin means bringing your own water and power. The kit we’d start with:

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