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

Town of Ottawa’s own rules

• Building permitRequired

  New buildings and listed construction, alteration, equipment, utility-system, and agricultural-building work inside Ottawa town.

  • Exempted work includes re-siding, re-roofing, interior finishing, cabinetry installation, and minor repairs as deemed by the Building Inspector; normal repairs in the identified electrical, HVAC, and plumbing subsections are exempt.
  • Permit issuance follows satisfaction of all state, county, and local submission requirements.

  “Prior to commencing any of the following work, the owner of the property upon which the work is performed, or the agent thereof, shall obtain from the Town Building Inspector the appropriate permit or permits as required by this chapter:”

• Building code adoptedAdopted (with conditions)

  Buildings and structures inside Ottawa town.

  • The adopted Wisconsin Administrative Code chapters include SPS 305, SPS 316, SPS 320 through SPS 325, SPS 327, SPS 361 through SPS 366, SPS 375 through SPS 379, and SPS 380 through SPS 387; future amendments, revisions, or modifications become part of the chapter upon adoption.

  “The following provisions of the Wisconsin Administrative Code are hereby adopted by reference and made a part of this chapter as though fully set forth herein.”

• InspectionsRequired

  Permitted construction inside Ottawa town.

  • Applicant, contractor, or property owner must request listed inspections 48 hours in advance; failure to request an inspection is the responsibility of the contractor and/or property owner.

  advance inspection request: >= 48 hours

  “The following inspections shall be requested 48 hours in advance by the applicant/contractor or property owner as applicable:”

• Certificate of occupancyRequired

  New construction and additions or remodeling subject to Ottawa town's occupancy definition.

  • The Building Inspector issues the permit only if no non-compliances are found.
  • Occupancy includes residing or storing furniture, household items, or personal items as specified in § 130-15(A).

  “Occupancy permit required. If no non-compliances are found by the Building Inspector, then the Inspector shall issue an occupancy permit. Occupancy shall not be taken until an occupancy permit is issued.”

• Off-grid sanitationLimited

  Outside and portable toilets inside Ottawa town.

  • Portable toilets are allowed only during construction and for special events approved by the Town Board.
  • Portable toilets must be removed from construction sites when permanent toilets are functional.

  “No outside toilets shall hereafter be erected within the Town. Portable toilets shall be allowed during construction only and for special events as approved by the Town Board. Portable toilets shall be removed from construction sites when permanent toilets are functional.”

• Driveway accessLimited

  A new building or structure on a vacant parcel inside Ottawa town.

  • Before a building permit issues and before construction begins, the Town Engineer determines culvert size and location.
  • If required, the owner or authorized agent must install and cover the culvert.

  “Culvert sizing. Prior to the issuance of a building permit for a new building or structure on any vacant parcel of land and prior to commencement of construction, the size and location of the culvert shall be determined by the Town Engineer and, if called for, a culvert shall be installed and covered by the owner or his authorized agent.”

• Permit feesVariable (with conditions)

  Ottawa town building-permit applications.

  • Fees are established periodically by the Town Board.
  • If work commences before permit issuance, the Building Inspector may charge double fees.

  “At the time of building permit application, the applicant shall pay fees as established periodically by the Town Board. If work commences prior to permit issuance, double fees may be charged by the Building Inspector.”

• Permit processPublished (with conditions)

  Ottawa town building-permit applications.

  • Two sets of plans are required for work expanding a building, any new building, or when required by the Inspector.
  • For new buildings or additions, a plot plan is required; a third plan set may be requested for the Assessor.
  • All state, county, and local submission requirements must be satisfied before issuance.

  “Two sets of building plans shall be submitted to the Building Inspector for any work which expands the size of a building, any new building or as required by the Inspector.”

Rules another office applies inside Town of Ottawa

Town of Ottawa 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 septicCounty (with conditions)

  Private sewage systems inside Ottawa town, as part of Waukesha County.

  • The Department is the Waukesha County Department of Parks and Land Use, Environmental Health Division.
  • State statutes and administrative rules incorporated by the County also apply.

  ““Department” shall mean the Waukesha County Department of Parks and Land Use, Environmental Health Division.”

• Septic permitRequired

  New Ottawa town structures requiring a private sewage system, and private sewage-system installation, repair, alteration, enlargement, extension, replacement, conversion, or remediation.

  • A town may not issue a building permit for a new structure requiring a private sewage system unless the owner has obtained a sanitary permit.
  • The application must be signed by a licensed master plumber or master plumber restricted service, who assumes system responsibility.

  “Pursuant to Section 145.19 Wisconsin Statutes, a city, village or town may not issue a building permit for construction of a new structure that requires the installation of a private sewage system unless the owner has obtained a sanitary permit.”

Still unanswered

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

• Owner-builder exemption — Owner-built dwellings inside Ottawa town.
• Minimum dwelling size — Residential zoning districts inside Ottawa town.
• Minimum lot size — Residential and agricultural zoning districts inside Ottawa town.
• Setbacks — Residential and agricultural zoning districts inside Ottawa town.
• Lot coverage — Zoning districts inside Ottawa 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.

Off-grid gear

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

• Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
• Power Bluetti Solar generators and home battery backup for living off the grid.
• Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
• Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.

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