Dunn County, Wisconsin
Town of New Haven is a town in Dunn County, Wisconsin. Septic permits inside Town of New Haven come from Dunn County (Dunn County Planning & Land Use — Sanitation · 715-231-6520). 8 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Dunn County page.
New one- or two-family dwellings and additions, repairs, decks, manufactured home installations, solar installations and pole sheds inside New Haven town
town building permit fee: 50 USD · repair or addition cost threshold: > 10000 USD (new one or two family dwellings require a permit regardless of cost)
“town of new haven ordinance 2024-02 requires a town building permit for any new one or two family dwellings, or any repairs or additions which exceed $10,000.00 in cost”
Construction of one- and two-family dwellings inside New Haven town, under the town's Uniform Dwelling Code ordinance
“2022-01 ordinance for uniform dwelling code”
New driveways connecting to roads in New Haven town
driveway permit fee: 50 USD
“please complete a new haven driveway and submit it to the clerk with $50 driveway permit fee.”
Town of New Haven building, driveway and overweight-vehicle permit fees
town building permit fee: 50 USD · driveway permit fee: 50 USD
“complete the new haven building permit and return it to the town clerk, together with a check made payable to the town of new haven in the amount of $50, to: po box 258 boyceville, wi 54725.”
Obtaining a town building permit inside New Haven town
“complete the new haven building permit and return it to the town clerk, together with a check made payable to the town of new haven in the amount of $50, to: po box 258 boyceville, wi 54725.”
Town of New Haven does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Private on-site wastewater (septic) systems on land inside New Haven town; Dunn County's sanitary ordinance applies to all towns, so the county administers it in New Haven town
“dunn county's shoreland, floodplain, land division, and sanitary ordinances apply to all towns in dunn county.”
Installing a private on-site wastewater treatment system on land inside New Haven town
“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.”
Land divisions of land inside New Haven town; Dunn County's land division ordinance applies to all towns, so the county administers it in New Haven town
“dunn county's shoreland, floodplain, land division, and sanitary ordinances apply to all towns in dunn county.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of New Haven or Dunn 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 New Haven publishes no rule on the point, not that none exists. Dunn County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of New Haven means bringing your own water and power. The kit we’d start with:
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