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

Town of Mazomanie’s own rules

• Building permitRequired

  New buildings, additions to existing buildings, and related land actions in Mazomanie town (Town of Mazomanie, Dane County)

  • Permit application may be made only after site plans are approved by the Town and by Dane County.
  • Town land plan commission and town board approval is required before the permit process proceeds; plan commission meets the 1st Monday monthly at 6:30 pm and the town board meets the 2nd Monday monthly at 6:30 pm at Town Hall, 711 W Hudson St.
  • Dane County zoning permit and septic sanitary permit requirements also apply (see septic and zoning claims).

  “All new buildings, additions to existing buildings, property rezones, land divisions or transferring of a development right need Land Plan Commission and Board Approval.”

• InspectionsRequired

  Inspections for permitted construction in Mazomanie town

  • Inspections are scheduled by calling the number on the Town page; the page does not list which inspection stages apply.

  inspection call-in number: 608-459-8800

  “All Inspections must be called in at: 608-459-8800”

• Subdividing landRegulated (with conditions)

  Land divisions in Mazomanie town

  • Land divisions require Town land plan commission and town board approval; county land division rules were not opened.

  “All new buildings, additions to existing buildings, property rezones, land divisions or transferring of a development right need Land Plan Commission and Board Approval.”

Rules another office applies inside Town of Mazomanie

Town of Mazomanie does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

• Zoning districtsPublished (with conditions)

  Dane County Zoning Ordinance Chapter 10 district standards applying to unincorporated land inside Mazomanie town, which the Town adopted effective March 11, 2019. This is county zoning administered for the Town, not a Town-adopted zoning ordinance.

  • Chapter 10 applies only in unincorporated areas of towns whose town board adopted it under s. 59.69(5), Wis. Stats.; areas under city or village extraterritorial zoning under s. 62.23(7a) are excepted, so Village of Mazomanie limits are not covered by this claim.
  • Chapter 10 text refers to residence and rural homes districts and agricultural districts; the district map and per-district standards were not retrieved within budget.

  “This chapter is applicable to all territory, except for areas under city or village extraterritorial zoning under s. 62.23(7a), Wisconsin Statutes, located within those portions of the unincorporated areas of Dane County in which the associated town board has adopted this chapter pursuant to s. 59.69(5), Wis. Stats.”

• Who permits septicCounty (with conditions)

  Private sewage systems inside Mazomanie town, which lies in Dane County; administered by the county division named in Chapter 46

  • Applies where no public sewer is available; Chapter 46 requires connection to public sewer where available (see utility claim).

  “Division shall mean the Environmental Health Division of the Department of Public Health for Madison and Dane County.”

• Off-grid sanitationLimited

  Privies and similar non-plumbing sanitation devices on land inside Mazomanie town

  • Structures served solely by a privy may not contain plumbing or be connected to a water supply.
  • Chapter 46 prohibits installing a private sewage system when public sewer is available (prohibited practices list).

  “Structures served solely by a privy shall not contain any plumbing and shall not be connected to a water supply. The property owner must obtain a county sanitary permit before installing any privy or similar device regulated by Ch. SPS 391, Wis. Admin. Code.”

• Mandatory utility hookupSewer (with conditions)

  New buildings on land inside Mazomanie town where public sewer is available

  • Connection is required only where public sewer is available; the local sanitary district determines availability.
  • Where a private system is used, Chapter 46 says it may be built only when no public sewer is available to the property.
  • Water-connection rules for Mazomanie town were not located; utility_connection is recorded for sewer only.

  “Every building intended for human habitation or occupancy, for which public sewer is available, shall be connected to the public sewer by means of individual connections or private interceptor mains.”

• Building in a floodplainLimited

  Private sewage systems (septic) inside any mapped floodplain in Dane County, including land in Mazomanie town. General floodplain development rules are not covered by this claim.

  • Applies to private sewage systems only; other floodplain development rules (Dane County Chapter 17) were not opened.

  “Construct or maintain any private sewage system within any area designated as a floodplain within Dane County.”

Still unanswered

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

• Owner-builder exemption — Owner-builder exemption for a homeowner building their own dwelling in Mazomanie town
• Building code adopted — Which building code governs dwellings built inside Mazomanie town
• Certificate of occupancy — Whether a certificate of occupancy is issued before occupying a new home in Mazomanie town
• Local zoning — Whether Mazomanie town itself adopts and administers a town zoning ordinance for land inside the town
• Minimum dwelling size — Minimum dwelling floor area inside Mazomanie town (county Chapter 10)

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.