Bolthole Index

Portage County, Wisconsin

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

Town of Hull is a town in Portage County, Wisconsin. Town of Hull adopts its own zoning, so inside its limits Town of Hull’s rules apply, not the county’s. Septic permits inside Town of Hull come from Portage County (Portage County Planning & Zoning Department - On-Site Waste (POWTS) · (715) 346-1334). 14 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Portage County page.

Answers from the rulebook for Town of Hull

Town of Hull’s own rules

  • Building permitRequired

    New construction of one- and two-family dwellings, detached accessory buildings, electric service change-outs, and electric service upgrades inside Hull town.

    • For the ordinance's enumerated one- or two-family dwelling, detached garage, and pole-building work, a state uniform building permit must be obtained first.
    • The Town memo identifies the stated construction and electrical work as requiring permits.
    “The Town of Hull requires building permits for new construction of 1 & 2 family dwellings (houses), detached accessory buildings, electric service change-outs, and electric service upgrades.”
  • Owner-builder exemptionConditional

    An owner applying for a construction or erosion-control permit for an owner-occupied dwelling inside Hull town.

    • The applicant must be or will be an owner occupant.
    • The statement concerns applying without a Dwelling Contractor Certification.
    “I vouch that I am or will be an owner occupant of this dwelling for which I am applying for an erosion control or construction permit without a Dwelling Contractor Certification and have read the cautionary statement regarding contractor responsibility on the second page of this form.”
  • Building code adoptedAdopted (with conditions)

    Construction and inspection of new one- and two-family dwellings, detached garages, and pole buildings inside Hull town.

    • The ordinance adopts the Wisconsin Uniform Dwelling Code and amendments thereto by reference.
    • parameters are limited to the construction types stated in the ordinance.
    “Chapter Ind 22, Wisconsin Administrative Code, as adopted and effective December 1, 1978, and Chapters Ind 20, 21, 23, 24 and 25 as adopted and effective June 1, 1980, and all amendments thereto, are adopted and incorporated by reference.”
  • InspectionsRequired

    Projects permitted under the Town Building Ordinance inside Hull town.

    • Inspection is required as construction progress warrants.
    • Compliance with a Building Inspector order allowing inspection is a condition of the permit's continuing validity.
    “The Building Inspector shall make all necessary inspections at such time as the progress in construction of the licensed projects shall warrant, and it is a condition to the continuing validity of any permit issued hereunder that any order by the Building Inspector for permitting his inspection of any part of a building be complied with.”
  • Local zoningPresent (with conditions)

    Land inside the Town of Hull, where the Town has adopted the Portage County Zoning Ordinance.

    • The Town resolution states that it will give full cooperation to the authorities designated in the county comprehensive ordinance; Portage County administers the county zoning ordinance.
    “The Town Board of the Town of Hull, Portage County, Wisconsin, seeing the need of a Zoning Ordinance, for the protection of property and property owners, hereby adopts the Portage County Zoning Ordinance and will give full cooperation to the Authorities as so designated in said comprehensive ordinance.”
  • Zoning districtsPublished (with conditions)

    Zoning districts applicable inside Hull town through its adoption of the Portage County Zoning Ordinance.

    • Parcel-specific district assignment must be checked against the County's written code and interactive zoning map.
    • The County cautions that shoreland, floodplain, and wetland conditions can create additional limitations.
    “including within the following towns: Alban, Almond, Amherst, Belmont, Buena Vista, Carson, Dewey, Eau Pleine, Hull, Lanark, Linwood, New Hope, Plover, Sharon and Stockton are hereby divided into 18 use districts, namely:”
  • Minimum lot sizeSpecified

    Residential lots in subdivisions regulated by Hull town's Subdivision Control Ordinance.

    • A larger area controls where state Department of Health and Social Services regulations or shoreland zoning require it.
    • Lots served by private sewage disposal must comply with State Department of Health and Social Services rules.

    minimum residential lot area without municipal sewer utility: >= 35000 square feet (A larger state health-services or shoreland-zoning lot area governs.) · minimum residential lot area with municipal sewer utility: >= 20000 square feet

    “All residential lots which are not serviced by a municipal sewer utility shall have a minimum lot area of 35,000 square feet provided that where the regulations of the State Department of Health and Social Services, or shore land zoning regulations, require a larger lot area, such regulations shall govern. Residential lots which are serviced by a municipal sewer utility shall have a minimum lot area of 20,000 square feet.”
  • Who permits septicCounty (with conditions)

    Private onsite wastewater treatment systems inside Hull town, administered by Portage County.

    • State statute delegates POWTS regulation to Wisconsin counties.
    • Portage County's On-Site Waste Section administers its private sewage ordinance.
    “Services provided by the Portage County On-Site Waste Section include: Administration of the Private Sewage System Ordinance, including issuing sanitary permits for new septic systems. and inspection of newly installed systems.”
  • Septic permitRequired

    New septic systems inside Hull town, administered by Portage County.

    • Portage County's On-Site Waste Section issues sanitary permits for new septic systems.
    • The county ordinance applies to all geographic areas of Portage County, including Hull town.
    “Every POWTS shall require a separate application and sanitary permit.”
  • Septic inspectionRequired

    Newly constructed structures and structures requiring a reconnection permit inside Hull town that use a POWTS or non-plumbing sanitation system.

    • The system must be installed, inspected, and approved before occupancy.
    • The county ordinance applies throughout Portage County.
    “The POWTS or non-plumbing sanitation system for newly constructed structures or structures requiring a Reconnection Permit shall be installed, inspected, and approved before the structure may be occupied.”
  • Off-grid sanitationLimited

    Non-plumbing sanitation systems inside Hull town, regulated under Portage County's private sewage ordinance.

    • A non-plumbing sanitation system is allowed only where the structure or premises lacks an indoor plumbing system, as determined by the Administrator.
    • If plumbing or running water is supplied, another acceptable sewage-disposal method must also be provided.
    • The county ordinance applies throughout Portage County.
    “A non-plumbing sanitation system may be permitted only when the structure or premises served by the non-plumbing sanitation system is not provided with an indoor plumbing system as determined by the Administrator. If plumbing is installed in the structure or running water is supplied to the structure, an acceptable method of sewage disposal other than, or in addition to, a non-plumbing sanitation system must be provided.”
  • Mandatory utility hookupConditional

    A Hull town structure or premises served by a private sewage system when a DNR-approved public sewer becomes available.

    • The utility having jurisdiction determines sewer availability.
    • The private sewage system must be disconnected within one year and the property connected to public sewer.
    • The county ordinance applies to all geographic areas of Portage County.

    connection deadline after public sewer availability: <= 1 year (Applies when public sewers approved by the Department of Natural Resources become available.)

    “When public sewers approved by the Department of Natural Resources become available to the structure or premises served, the private sewage system shall be disconnected within one year and a connection made to the public sewer. Determination of whether sewer is available shall be made by the utility having jurisdiction.”
  • Subdividing landRegulated (with conditions)

    Primary and secondary divisions of land within Hull town or its jurisdiction.

    • Primary subdivisions must be surveyed in an approved plat under the Town ordinance and Wis. Stat. ch. 236.
    • Secondary subdivisions must use a certified survey map and receive Town Board approval.

    primary subdivision threshold: five or more lots or out-lots of one and one-half acres each or less within five years · preliminary plat filing fee: 100 USD (For each preliminary plat submitted for Town approval.)

    “Any division of land within the town or its jurisdiction which results in a secondary subdivision, as defined herein, shall be by certified survey map by a registered land surveyor and such division of land shall be subject to the approval of the Town Board.”
  • Permit feesVariable (with conditions)

    Building permits issued under Hull town's Uniform Dwelling Code ordinance.

    • The building-permit fee is determined by the Town Board.
    “The building permit fee shall be determined by the Town Board.”

Still unanswered

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

  • Certificate of occupancy — Construction inside Hull town.
  • Minimum dwelling size — Dwellings inside Hull town.
  • Setbacks — Structures inside Hull town.
  • Lot coverage — Lots inside Hull town.
  • Building height — Structures inside Hull town.
10 more unanswered
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Well permit
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

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 Hull publishes no rule on the point, not that none exists. Portage County’s page lists the county offices to call.

← All of Portage County: county rules, score and offices