Zoning, building permits and septic rules in Lake Mills, Wisconsin

Lake Mills’s own rules

• Local zoningPresent

  Land inside Lake Mills city (Jefferson County) limits; city Code Chapter 660 Zoning Regulations

  • Chapter 660 is part of Part III Land Use Legislation of the city code on eCode360.

  “any accessory use or structure shall conform to the applicable regulations of the district in which it is located except as specifically otherwise provided.”

• Living in an RVLimited

  RVs on residential lots inside Lake Mills city

  • RVs and trailers may not be accessory buildings in any district
  • RV storage in residential districts must meet § 660-23 standards
  • Trailer allowed as temporary construction office/storage per § 660-29b(6)

  RV lodging on lot with a dwelling: <= 10 days in any consecutive 30-day period

  “an rv or trailer shall not be used as a dwelling, storage, or accessory building, except that an rv may be parked or occupied for lodging purposes on the same lot as a dwelling for not more than 10 days in any consecutive thirty-day period.”

• Off-grid sanitationLimited

  Individual (private) sewage disposal systems inside Lake Mills city

  • Approval by the zoning board of appeals after public hearing is required

  “§ 660-36 sewage disposal. individual sewage disposal systems are expressly prohibited unless specifically approved by the zoning board of appeals after public hearing.”

• Driveway accessLimited

  Driveways on single- and two-family residential properties inside Lake Mills city

  • Single-family: one driveway per lot unless otherwise regulated; two-family: two
  • Minimum 5-foot side lot line setback; minimum width 8 feet; maximum width at curbline is lesser of 24 feet or garage width

  driveway side setback: >= 5 feet · driveway minimum width: >= 8 feet

  “single-family uses are limited to one driveway per lot unless otherwise regulated in this chapter.”

Still unanswered

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

• Building permit — Building permits inside Lake Mills city
• Owner-builder exemption — Owner-builder exemption inside Lake Mills city
• Building code adopted — Building code inside Lake Mills city
• Inspections — Building inspection inside Lake Mills city
• Certificate of occupancy — Certificates of occupancy inside Lake Mills city

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.