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

Town of Watertown’s own rules

• Building permitRequired

  New homes and the listed construction, remodeling, mechanical, plumbing, and electrical work inside the Town of Watertown.

  • Siding, reroofing, same-size window or door replacement, and gutters/downspouts are listed as work not needing a permit.
  • Asterisked listed work also needs a Jefferson County zoning permit before the Town building permit can issue.
  • Additional information may be required depending on the project.

  “A building permit is required for: New Home. * Additions to existing home. * Deck.* Shed/Pole Barn/Accessory Building”

• Owner-builder exemptionNot available

  Homeowners performing work on their own property inside the Town of Watertown.

  • This concerns the Town building-permit requirement; required state trade licensing for electrical and plumbing work is separately stated by the Town.

  “YES. Permits are required without exception. This applies to all homeowners and contractors involved.”

• Who permits septicCounty (with conditions)

  Private sewage systems inside the Town of Watertown, which is within Jefferson County.

  • The county ordinance incorporates specified Wisconsin statutes and administrative-code provisions and applies countywide.

  “The requirements of this ordinance shall apply to all geographic areas of the County.”

• Septic permitRequired

  Installation, movement, reconstruction, extension, enlargement, conversion, substantial alteration, or use change of a private sewage system inside the Town of Watertown.

  • The work must also fully comply with applicable county and state regulations.
  • The county ordinance states that its requirements apply to all geographic areas of Jefferson County.

  “No person shall install, move, reconstruct, extend, enlarge, convert, substantially alter, or change the use of any private sewage system or any part thereof without a sanitary permit and without being in full compliance with all provisions of all applicable County and State regulations.”

• Septic inspectionRequired

  New and existing private onsite wastewater treatment systems serving structures inside the Town of Watertown.

  • The system must be installed, inspected, and approved by a state-licensed master plumber or master plumber restricted service.
  • The Jefferson County Planning and Zoning Department must also inspect and approve the system before the structure may be occupied.

  “The POWTS for newly constructed structures or existing structures shall be installed, inspected and approved a by person licensed by the State as a master plumber or master plumber restricted service, and also inspected and approved by the Planning and Zoning Department before the structure may be occupied.”

• Off-grid sanitationLimited

  Permanent or intermittent occupancy inside the Town of Watertown that is not served by public sewer.

  • A compliant system for holding or treatment and dispersal of sewage and wastewater is required.
  • The county ordinance states that its requirements apply to all geographic areas of Jefferson County.

  “All structures or premises in the County intended for permanent or intermittent occupancy which are not served by a public sewer, shall have a system for holding or treatment and dispersal of sewage and wastewater which complies with the provisions of this ordinance.”

• Subdividing landRegulated (with conditions)

  Land divisions and subdivisions inside the Town of Watertown.

  • Applicants must submit a preliminary certified survey map, plat map, or drawing to the Town Clerk 10 or more days before the meeting.
  • The request proceeds through Town Plan Commission and Town Board review, then Jefferson County approval or recommendations and recording.
  • Documents for a land division must comply with Wisconsin Statutes section 236.

  “For a land division, documents submitted must comply with Section 236. Wis. Stats. Obtain a fienal recommendation from the Plan Commission and from the Town Board. Obtain necessary signatures of Town Board and submit to Jefferson County Zoning Department for approval.”

• Permit feesPublished (with conditions)

  Town Plan Commission and Town Board review of rezoning, conditional-use, variance, land-division, and subdivision requests inside the Town of Watertown.

  • The $150 application fee is non-refundable.
  • For a land division, $750 is charged regardless of zoning; if denied, all money except $150 is refunded.
  • A preliminary CSM is required before Town consideration.

  Plan Commission and Town Board application fee: 150 USD (Non-refundable; applies to listed review items.) · land division fee: 750 USD (Regardless of zoning; denial refund excludes $150.)

  “An application fee of $150.00 (non-refundable) will be charged to anyone wanting to appear before the Plan Commission and the Town Board [...] A $750.00 fee will be charged for a land division, regardless of zoning, to appear before the Plan Commission and Town Board.”

• Permit processPublished (with conditions)

  Town building-permit applications inside the Town of Watertown.

  • The Building Inspector must approve application materials.
  • The Town lists applicant identity, improvement type, worker details, estimated cost, applicable square footage, and a building/improvement plan as necessary information.
  • Additional information may be required depending on the project.

  “A building Permit can be obtained, after approval of application materials from the Building Inspector located at the Town Hall at N8302 High Road.”

Still unanswered

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

• Building code adopted — Building construction inside the Town of Watertown.
• Inspections — Construction inside the Town of Watertown.
• Certificate of occupancy — New or altered buildings inside the Town of Watertown.
• Local zoning — Land inside the Town of Watertown, Wisconsin.
• Minimum dwelling size — Single-family dwellings inside the Town of Watertown.

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.