Zoning, building permits and septic rules in Town of Castle Rock, Wisconsin

Town of Castle Rock’s own rules

• Building permitRequired

  Buildings within the Town UDC ordinance scope inside Castle Rock town.

  • A permit is required before altering work exceeding $10,000 in any 12-month period, building, adding onto, or altering a covered building.
  • Structural changes or major mechanical-system changes involving extensions require permits.
  • Restoration or repair to the previous code-compliant condition, residing, reroofing, finishing interior surfaces, and cabinetry installation are exempt.

  alteration-value threshold: > 10000 USD (Measured in any 12-month period.)

  “Restoration or repair of an installation to its previous code-compliant condition as determined by the building inspector is exempted from permit requirements.”

• Building code adoptedAdopted (with conditions)

  Construction and inspection of one- and two-family dwellings inside the Town of Castle Rock that were built since June 1, 1980.

  • The ordinance adopts the Wisconsin Uniform Dwelling Code and all amendments by reference.
  • The ordinance states that its scope is one- and two-family dwellings built since June 1, 1980.

  “The scope of this ordinance includes the construction and inspection of one- and two-family dwellings built since June 1, 1980.”

• InspectionsRequired

  New site-built dwellings, additions, alterations, and installed manufactured dwellings and homes in Castle Rock town's inspection contract area.

  • The town ordinance creates a Building Inspector to administer and enforce the ordinance.
  • The inspection agreement covers its stated contract area and specified dwelling work.

  “The following inspections are required on new one- and two-family dwellings. When ready for inspection, notify the inspector identified on your UDC permit.”

• Driveway accessLimited

  Driveways serving property inside Castle Rock town.

  • The official Town application requires a location/construction plan.
  • Driveways over 500 feet require a midpoint turnout 30 feet long by 22 feet wide.
  • The application sets stated width, grade, culvert, slope, turnaround, and single-driveway service limits.

  midpoint turnout length for driveways over 500 feet: 30 feet (Applies to driveways over 500 feet in length.) · midpoint turnout width for driveways over 500 feet: 22 feet (Applies to driveways over 500 feet in length.) · permit fee: 100 USD

  “Driveways over 500 feet in length need a turnout at midpoint 30-foot-long by 22 feet wide to allow vehicles to pass.”

• Permit processPublished (with conditions)

  UDC permit applications for covered residential projects inside Castle Rock town.

  • The applicant must submit the UDC application electronically on the State website under the linked fee schedule.
  • The Code Official reviews the application.
  • The source identifies additional fees where the official completes, updates, or corrects the application.

  “Under the new Electronic Building Permit Law Act 211 permit applicants are required to apply and file their Uniform Dwelling Code Permit Application electronically on the State website, at that point the Code Official will then review the application.”

Rules another office applies inside Town of Castle Rock

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

• Owner-builder exemptionConditional

  An owner-occupant applying for an erosion-control or construction permit for a dwelling inside Castle Rock town.

  • The applicant must be or will be the owner-occupant of the dwelling.
  • The applicant must make the specified electronic attestation and read the contractor-responsibility cautionary statement.

  “Only check this box if the permit is being issued to the property owner who will occupy the home upon completion of construction.”

• Who permits septicCounty (with conditions)

  Private onsite wastewater treatment systems serving land inside Castle Rock town.

  • The County process requires state and/or county permits before a POWTS may be installed.
  • The official County process requires soil and site evaluation, system plans, and a sanitary-permit application.
  • The source does not itself expressly identify Castle Rock town by name; applicability inside the town should be confirmed with Grant County Conservation, Sanitation and Zoning.

  “Sanitary Permit Application Process For GRANT COUNTY PRIVATE ON-SITE WASTEWATER TREATMENT SYSTEMS (POWTS)”

• Septic permitRequired

  Installation of a private onsite wastewater treatment system serving land inside Castle Rock town.

  • The system must be installed by a Wisconsin-licensed Master Plumber or Master Restricted Sewer Plumber.
  • All required state and/or county permits must be issued before installation.
  • The applicant must submit a signed and dated application, system plans, soil evaluation, and permit fee.
  • For systems other than one- or two-family residential systems with in-ground gravity distribution, plans must be sent to the state with a plan-review fee for review and approval.

  “All State and/or County Permits must be issued before the POWTS can be installed.”

Still unanswered

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

• Certificate of occupancy — Residential construction inside Castle Rock town.
• Local zoning — Land inside the Town of Castle Rock, Grant County, Wisconsin.
• Zoning districts — Zoning districts inside Castle Rock town.
• Minimum dwelling size — Dwellings inside Castle Rock town.
• Minimum lot size — Residential lots inside Castle Rock town.

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.