Bolthole Index

Oconto County, Wisconsin

Zoning, building permits and septic rules in Gillett, Wisconsin

Gillett is a city in Oconto County, Wisconsin. Gillett adopts its own zoning, so inside its limits Gillett’s rules apply, not the county’s. 11 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Oconto County page.

Answers from the rulebook for Gillett

Gillett’s own rules

  • Building code adoptedAdopted

    Buildings inside Gillett city to which the listed Wisconsin Administrative Code chapters apply

    • Adopted by reference with future amendments; § 21-8 shows amendment 3-7-2024 by Ord. No. 21-8
    • Covers one- and two-family dwellings and manufactured buildings (SPS 320-325), electrical (SPS 316), building/HVAC (SPS 361-366), plumbing (SPS 381-386), camping units (SPS 327)
    “the following chapters of the wisconsin administrative code are hereby adopted by reference and made a part hereof with respect to those classes of buildings to which said chapters specifically apply”
  • Local zoningPresent

    Land inside Gillett city limits (Oconto County)

    • Shoreland-wetland district is governed separately by Ch. 17
    “this chapter, established under ch. 62, wis. stats., shall be known as the "zoning code for the city of gillett, wisconsin,"”
  • Zoning districtsPublished

    Zoning districts inside Gillett city

    • Districts: residential; residential-ridgewood; multifamily; multifamily overlay; business-commercial; industrial; mobile home park; future development; industrial park; parks and public lands; shoreland-wetland (Ch. 17)
    • Boundaries are on the Official Zoning Map on file in city offices
    “for the purpose of this chapter, the city is hereby divided into the following zoning districts: a. residential district. b. residential - ridgewood district. c. multifamily district. d. multifamily overlay district. e. business-commercial district. f. industrial district. g. mobile home park district. h. future development district. i. industrial park district. j. parks and public lands district. k. shoreland-wetland district.”
  • Minimum dwelling sizeSpecified

    Single-family homes in the Residential-Ridgewood district, Gillett city

    • Finished living space; attached garage limited to 1,000 sq ft
    • Main Residential district minimum floor area not located in text read

    minimum home size: >= 1400 square feet finished living space

    “home size will be a minimum of 1,400 square feet of finished living space.”
  • Minimum lot sizeSpecified

    Permitted principal uses in the Future Development district (§ 21-27, rural/large-lot district), Gillett city

    • District heading inferred from section order (the section preceding § 21-28)

    minimum lot area: >= 5 acres · minimum lot width: >= 150 feet

    “all permitted principal uses and structures shall have a minimum lot area of five acres, lot width of 150 feet, front yard of 25 feet, rear yard of 25 feet and side yards of 25 feet each.”
    One more reviewed finding on this topic
  • SetbacksSpecified

    Permitted principal uses in the Future Development district, Gillett city

    • District heading inferred from section order

    front yard: >= 25 feet · rear yard: >= 25 feet · side yards: >= 25 feet (each)

    “all permitted principal uses and structures shall have a minimum lot area of five acres, lot width of 150 feet, front yard of 25 feet, rear yard of 25 feet and side yards of 25 feet each.”
    2 more reviewed findings on this topic
    • Specified — Single-family and two-family dwellings in the Residential district, Gillett city
      “single-family and two-family dwellings shall have a minimum lot area of 12,000 square feet, lot width of 100 feet, front yard of 10 feet from street line, rear yard of 30 feet, side yards of 10% of lot or a maximum of 10 feet, and a maximum height of 45 feet.”
    • Specified — Single-family dwellings in the Residential-Ridgewood district, Gillett city
      “there shall be a minimum twenty-five-foot setback from a street line to any garage, twenty-foot setback from a street line to any living area wall, ten-foot setback from a street line to any non-living wall other than garage, and a ten-foot setback to any side or rear lot line.”
  • Lot coverageSpecified

    Single-family and two-family dwellings in the Residential district, Gillett city

    • Multifamily district allows up to 50%

    maximum lot coverage: <= 40 percent of lot area (principal and accessory buildings)

    “a maximum lot coverage of not more than 40% of the lot area may be occupied by the principal and accessory buildings.”
  • Building heightSpecified

    Single-family and two-family dwellings in the Residential district, Gillett city

    • Ridgewood district limits single-family dwellings to 2 1/2 stories

    maximum height: <= 45 feet

    “single-family and two-family dwellings shall have a minimum lot area of 12,000 square feet, lot width of 100 feet, front yard of 10 feet from street line, rear yard of 30 feet, side yards of 10% of lot or a maximum of 10 feet, and a maximum height of 45 feet.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Gillett or Oconto County directly.

  • Building permit — Construction inside Gillett city
  • Owner-builder exemption — Owner-builders inside Gillett city
  • Inspections — Inspections inside Gillett city
  • Certificate of occupancy — Occupancy inside Gillett city
  • Living in an RV — RV occupancy inside Gillett city
17 more unanswered
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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

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