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

Town of Arena’s own rules

• Building permitRequired

  New residential construction and listed building work inside Arena town.

  • Permits are not required for re-siding, re-roofing, finishing interior surfaces, cabinetry installation, inspector-deemed minor repairs, normal HVAC/plumbing repairs, and repairs to electrical equipment or systems.
  • Accessory structures trigger the stated Town permit requirement only when over 200 square feet.

  accessory-structure threshold: > 200 square feet (Town page lists accessory structures over this size among work requiring permits.)

  “permits are required for the following: • all new 1 and 2 family homes and decks”

• InspectionsRequired

  Permitted construction inside Arena town.

  • Inspection is required before work is concealed.

  “inspections are required prior to concealing work!”

• Certificate of occupancyRequired

  Buildings or structures erected, altered, or moved in Arena town under the Iowa County Zoning Ordinance.

  • The applicant must notify the County Office for inspection.
  • The certificate issues only if the building, premises, and proposed use conform to the ordinance.

  “No building or structure hereafter erected, altered or moved shall be occupied or used until a Certificate of Compliance is issued by the Office.”

• Local zoningPresent (with conditions)

  Land inside the Town of Arena outside the incorporated Village of Arena, where Iowa County zoning is adopted and applied through the Town/County process.

  • The county ordinance becomes effective in a town when approved by that town board and its approving resolution is filed with the County Clerk.
  • The official county record identifies a 2026 zoning action in the Town of Arena.

  “Petition to zone 0.78 acre from R-3 Mobile Home to R-1 Single Family Residential in the Town of Arena by Darrell Davenport.”

• Zoning districtsPublished (with conditions)

  Arena town parcels governed by the Iowa County Zoning Ordinance.

  • Actual district boundaries are on the official zoning map maintained by the County Office.
  • The County zoning record confirms at least R-1 and R-3 zoning actions in Arena town.

  “The Official Zoning Map designates the location and boundaries of the various zoning districts within Iowa County and is incorporated herein by reference.”

• Minimum lot sizeSpecified

  AR-1 Agricultural Residential District parcels in Arena town.

  • The stated AR-1 maximum lot area is 39.99 acres.

  minimum lot area: >= 1 acre · minimum lot width: >= 100 feet

  “ar-1 agricultural residential district lot dimensions and building setbacks lot width minimum 100 feet lot area minimum 1 acre maximum 39.99 acres”

• SetbacksSpecified

  R-1 Single Family Residential District parcels in Arena town.

  • The 15-foot yard standard applies with public sewer and water; otherwise the minimum is 20 feet.

  minimum yard without public sewer and water: >= 20 feet · minimum yard with public sewer and water: >= 15 feet

  “yards, all structures minimum 20 feet minimum 15 feet”

  One more reviewed finding on this topic

  • Specified — AR-1 Agricultural Residential District parcels in Arena town.

    “yards, all structures minimum 20 feet or structure height, whichever is greater* *may reduce up to 10 feet from a lot line with a documented agreement of the affected neighbor or neighbors that is recorded with the iowa county register of deeds”

• Building heightSpecified

  AR-1 Agricultural Residential District parcels in Arena town.

  maximum residence height: <= 50 feet · maximum accessory-structure height: <= 30 feet

  “building height for residence 50 feet maximum building height for accessory structures 30 feet”

• Living in an RVLimited

  Camping units, including wheeled recreational units, in Arena town.

  • A camping unit may be used only recreationally.
  • On-site rental is prohibited unless the zoning district permits it.
  • Wheels must remain on wheeled camping units, and the unit must remain ready to move.
  • The unit may not have an attached deck, staircase, porch, or similar addition.

  “a) a camping unit shall only be used for recreational purposes and not to be occupied as one’s place of residence.”

• Camping on your landLimited

  Temporary camping units inside Arena town.

  • Camping units may only be used recreationally, not as a residence.
  • On-site rental requires that the zoning district permit it.

  maximum camping-unit area: <= 400 square feet (The ordinance definition describes a camping unit as a portable temporary shelter no more than 400 square feet.)

  “b) renting a camping unit for use onsite is prohibited unless permitted in the zoning district in which it is located.”

• Manufactured homesLimited

  Manufactured-home occupancy in the R-3 Mobile/Manufactured Home District in Arena town.

  • Mobile home/manufactured home parks are permitted principal uses only if the special conditions in § 5.8 are met.
  • The evidence does not establish that R-3 zoning covers all Town parcels.

  “Mobile home/manufactured home parks are allowed provided the special conditions specified for mobile home/manufactured home parks in Section 5.8 are met.”

• Septic permitRequired

  A structure in Arena town connected to a water source or with internal plumbing.

  • The sanitary permit must be issued before the zoning permit.

  “any structure that is to be connected to a water source or have internal plumbing must have a valid sanitary permit issued prior to any zoning permit.”

• Off-grid sanitationLimited

  Camping units and structures with sanitation inside Arena town.

  • Structures connected to a water source or with internal plumbing need a valid sanitary permit before zoning approval.
  • Gray or black water from camping units may not be discharged to ground, subsurface, water body, or stream.

  “c) no discharge of a gray or black water tank shall occur onto the ground surface or subsurface or into a water body or stream.”

• Driveway accessRequired

  New residences or first structures on vacant zoning lots inside Arena town.

  • A written Town statement confirming an approved driveway must accompany the County zoning permit application.
  • The Town process requires Planning and Zoning and Town Board review for a driveway permit.

  “a) a written statement from the town stating there is an approved driveway to serve the proposed structure must be submitted with the zoning permit application.”

• Building in a floodplainRequired

  Development inside Arena town located in an Iowa County floodplain district.

  • Applies before new development, repairs, modifications, additions, or changes in building/structure use, including sewer and water facilities.
  • Permit expiration is no more than 180 days after issuance, but may be extended up to 180 days for good and sufficient cause if requested while valid.

  standard permit duration: <= 180 days (May be extended for a maximum of 180 days for good and sufficient cause if requested while still valid.)

  “A land use permit shall be obtained before any new development; repair, modification or addition to an existing structure; or change in the use of a building or structure, including sewer and water facilities, may be initiated.”

• Permit feesVariable (with conditions)

  Town building, driveway, and land-use permitting inside Arena town.

  • The Town page does not publish dollar amounts; it states that fees are determined by Town ordinance.

  “TO OBTAIN AN APPLICATION: • Call the building inspector (608) 444-0372 or email: [email protected] for Applications or www.jiportal.com Please see the attached list of information required to obtain building permits • Fees are determined by Town Ordinance”

• Permit processPublished (with conditions)

  Town driveway permits and land-use-change/rezone applications inside Arena town.

  • The applicant must first appear before the Planning and Zoning meeting, then obtain Town Board approval, and then proceed to the Iowa County Planning Commission.
  • The Planning and Zoning meeting is held on the last Monday of each month and the Town Board meeting on the first Monday of each month.

  “after full board approval, the next step is to be on the agenda for the iowa county planning commission meeting.”

Still unanswered

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

• Owner-builder exemption — Owner-built residential construction inside Arena town.
• Building code adopted — Building construction inside Arena town.
• Minimum dwelling size — Dwellings inside Arena town.
• Lot coverage — Single-family and agricultural-residential parcels in Arena town.
• Tiny homes — Tiny-home occupancy inside Arena 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.