Sauk County, Wisconsin
Town of Sumpter is a town in Sauk County, Wisconsin. 5 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Sauk County page.
Land inside Sumpter town limits: the town's building code ordinance (chapter 7.01)
“chapter 7.01 - building code chapter 7.02 - driveway permits chapter 7.03 - manufactured and mobile home”
Land division and subdivision of land inside Sumpter town limits
“chapter 10.01 - land division and subdivision”
Town permit and application fees inside Sumpter town
“click on the link above to view the town of sumpter fee schedule for the following applications and agreements.”
Building and demolition permit process inside Sumpter town
“permits will be issued immediately upon the completed payment submission using credit card or ach.”
Town of Sumpter does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Installing or purchasing a private on-site wastewater treatment system inside Sumpter town, under the state sanitary permit rule
“no person may purchase or install a private on-site wastewater treatment system unless the owner of the property on which the private on-site wastewater treatment system is to be installed holds a valid sanitary permit issued under this section.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Sumpter or Sauk County directly.
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 Town of Sumpter publishes no rule on the point, not that none exists. Sauk County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Sumpter means bringing your own water and power. The kit we’d start with:
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