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Sauk County, Wisconsin

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

Town of Ironton is a town in Sauk County, Wisconsin. Septic permits inside Town of Ironton come from Sauk County (Sauk County Land Resources and Environment — Land Use/Sanitary Permits · (608) 355-3245). 5 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Sauk County page.

Answers from the rulebook for Town of Ironton

Town of Ironton’s own rules

  • InspectionsRequired

    New one- and two-family dwellings inside Ironton town subject to the Uniform Dwelling Code.

    • The DSPS delegated-agent list identifies Town of Ironton as delegated.
    • The required inspections are footings, foundation and foundation reinforcement, rough, insulation, and final.
    • When ready, the permit holder must notify the inspector identified on the UDC permit.
    “The following inspections are required on new one- and two-family dwellings.”
  • Who permits septicCounty (with conditions)

    Private onsite wastewater treatment systems inside Ironton town, administered through Sauk County Land Resources and Environment.

    • The county source identifies its Zoning Services Division as administering the Private Onsite Waste Water Treatment Systems Ordinance.
    “The Zoning Division is tasked with permitting, inspections and enforcement of the ordinances the department administers.”

Rules another office applies inside Town of Ironton

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

  • Building code adoptedAdopted (with conditions)

    New one- and two-family dwellings, including manufactured-home installations, inside Ironton town.

    • The statewide UDC applies to one- and two-family dwelling units, including manufactured homes.
    “The program governing one- and two-family dwelling units (including manufactured homes) is also called the UDC program, referring to the Uniform Dwelling Code.”
  • Well permitRequired

    Construction of a new private well inside Ironton town.

    • Advance-notice exceptions are high-capacity wells, reconstruction of existing wells, and wells on Native American property.
    • High-capacity wells or other wells requiring written DNR approval follow the notification requirements in that approval.
    • The notification number must be obtained before construction.
    • The Well Construction Notification fee is $50.50.
    • A Well Construction Report must be submitted to DNR within 30 days after construction.

    Well Construction Notification fee: 50.5 USD (Not refundable or transferable.) · Well Construction Report deadline: <= 30 days (After well or drillhole construction.)

    “Obtain a Well Construction Notification Number prior to constructing a well.”
  • Permit processPublished (with conditions)

    UDC permits for new one- and two-family dwellings inside Ironton town.

    • The application must include a permit application, contractor license numbers and expiration dates, legible scaled plans, required data, and a permit application fee.
    • If a municipality has delegated authority, the applicant contacts the municipality; otherwise the application goes to DSPS.
    • Ironton is listed as delegated.
    “Regardless of which agency has authority, your application must include: Permit application. This may be electronic or paper, depending on the agency.”

Still unanswered

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

  • Owner-builder exemption — Owner construction of a dwelling inside Ironton town.
  • Certificate of occupancy — Residential construction inside Ironton town.
  • Local zoning — Land inside the Town of Ironton, Wisconsin.
  • Zoning districts — Zoning districts governing land inside Ironton town.
  • Minimum dwelling size — Residential dwellings inside Ironton town.
19 more unanswered
  • Minimum lot size
  • Setbacks
  • 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
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • 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 Ironton publishes no rule on the point, not that none exists. Sauk County’s page lists the county offices to call.

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