Bolthole Index

St. Croix County, Wisconsin

Zoning, building permits and septic rules in Town of Rush River, Wisconsin

Town of Rush River is a town in St. Croix County, Wisconsin. Septic permits inside Town of Rush River come from St. Croix County (St. Croix County Community Development Department · 715-386-4680). 7 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 Rush River

Town of Rush River’s own rules

  • Building code adoptedAdopted (with conditions)

    Construction regulated by Rush River town's adopted Wisconsin Uniform Dwelling Code and commercial building-code ordinance.

    • The town ordinance page identifies the adopted codes as the Wisconsin UDC and Commercial Building Codes.
    “Ordinance to adopt the Wisconsin UDC & Commercial Building Codes.”
  • Zoning districtsPublished (with conditions)

    County zoning districts mapped for land inside Rush River town.

    • The map says it is a visual representation of district boundaries created and amended through county zoning-ordinance amendments.
    • Floodplain, shoreland, and wetland zoning should be addressed with the Planning & Zoning Department.

    mapped districts: Ag-1, Ag-2, Rural Residential, Residential Conservancy, Commercial, Industrial

    “Industrial Rural Residential Commercial Residential Conservancy Ag-1 Ag-2”
  • SetbacksDistrict specific (with conditions)

    Structures in Rush River town under applicable St. Croix County zoning districts and overlays.

    • Setbacks vary by zoning district, type of structure, use, applicable overlay district, and may also be recorded on a plat or certified survey map.
    “Setback requirements vary depending on the zoning district”
  • Who permits septicCounty (with conditions)

    Private sanitary-system permitting inside Rush River town.

    • The county FAQ states that sanitary rules apply to all townships.
    “Shoreland, Floodplain, Land Division, Lower St. Croix Riverway Overlay Districts, and Sanitary apply to all townships.”
  • Subdividing landRegulated (with conditions)

    Land divisions inside Rush River town.

    • County land-division rules also apply to all townships.
    “Ordinance to establish local subdivision regulations in the Town of Rush River”
  • Building in a floodplainLimited

    Development on land inside Rush River town that is within the county Floodplain Overlay District.

    • The limitation applies only where the parcel is within the Floodplain Overlay District; overlay districts have additional regulations likely to apply.
    “Overlay districts have additional regulations that are likely to apply.”
  • Permit processPartial

    County land-use, conditional-use, variance, rezoning, setback-waiver, and land-division approvals affecting land inside Rush River town.

    • The county page identifies Rush River among locations served for zoning questions.
    • A pre-application meeting is highly suggested.
    • Applications are due on the first Monday of the month.
    “A pre-application meeting with a member of the Land Use staff is highly suggested. [...] Applications are due on the first Monday of the month.”

Still unanswered

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

  • Building permit — Building work inside Rush River town.
  • Owner-builder exemption — Owner-performed residential construction inside Rush River town.
  • Inspections — Building work inside Rush River town.
  • Certificate of occupancy — Occupancy of structures inside Rush River town.
  • Local zoning — Land inside Rush River town.
18 more unanswered
  • Minimum dwelling size
  • Minimum lot size
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • 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 Rush River publishes no rule on the point, not that none exists. St. Croix County’s page lists the county offices to call.

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