Bolthole Index

Calumet County, Wisconsin

Zoning, building permits and septic rules in Brillion, Wisconsin

Brillion is a city in Calumet County, Wisconsin. Brillion adopts its own zoning, so inside its limits Brillion’s rules apply, not the county’s. 8 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Calumet County page.

Answers from the rulebook for Brillion

Brillion’s own rules

  • Local zoningPresent

    Land inside Brillion city (Calumet County), Wisconsin

    • Zoning administered by the city zoning administrator (920-756-2250)
    • Boundaries are shown on the city zoning map and supplementary floodland zoning map
    “definitions for each zoning district can be obtained in chapter 106, zoning of the city of brillion municipal code.”
  • Zoning districtsPublished

    Brillion city zoning districts

    • 14 districts: A-1, R1, R-MH, R-2, R-3, C-1, C-2, I-1, I-2, ID, PD, CD, PUD, S-W
    “the city is hereby divided into 14 districts as follows: a-1 agricultural district r1 single-family residential district r-mh residential mobile home district”
  • Minimum dwelling sizeSpecified

    A-1 agricultural district inside Brillion city

    • Minimum first floor area for bi-level or two-story dwellings also applies (figure not captured)

    minimum total floor area: >= 1000 sq ft

    “the total minimum floor area of a dwelling in the a-1 district shall be 1,000 square feet.”
    One more reviewed finding on this topic
  • Minimum lot sizeSpecified

    A-1 agricultural district inside Brillion city

    • Lots with existing nonfarm dwellings or dwellings remaining after farm consolidation: minimum 40,000 sq ft and 150 ft width

    minimum lot area: >= 5 acres (40,000 sq ft for existing nonfarm dwelling lots) · minimum lot width: >= 300 feet (150 ft for existing nonfarm dwelling lots)

    “lots in the a-1 district shall have a minimum area of five acres and shall be not less than 300 feet in width.”
    One more reviewed finding on this topic
    • Specified — R-2 two-family residential district inside Brillion city
      “lots in the r-2 district shall be a minimum of 10,500 square feet in area and shall be not less than 80 feet in width. corner lots shall be a minimum of 110 feet in total width.”
  • Building heightSpecified

    A-1 agricultural district inside Brillion city

    • Farm buildings may not exceed 100 feet
    • Other accessory buildings may not exceed 15 feet

    maximum dwelling height: <= 35 feet

    “no dwelling or part of a dwelling in the a-1 district shall exceed 35 feet in height. farm buildings shall not exceed 100 feet in height. other accessory buildings shall not exceed 15 feet in height.”
    One more reviewed finding on this topic
    • Specified — R-2 two-family residential district inside Brillion city
      “no principal building or part of a principal building in the r-2 district shall exceed 35 feet in height. no accessory building shall exceed 15 feet in height or the height of the principal building.”

Still unanswered

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

  • Building permit — Building permits inside Brillion city
  • Owner-builder exemption — Owner-builder exemption inside Brillion city
  • Building code adopted — Building code inside Brillion city
  • Inspections — Building inspections inside Brillion city
  • Certificate of occupancy — Certificates of occupancy inside Brillion city
20 more unanswered
  • Setbacks
  • Lot coverage
  • Living in an RV
  • 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 Brillion publishes no rule on the point, not that none exists. Calumet County’s page lists the county offices to call.

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