Dunn County, Wisconsin
Town of Wilson is a town in Dunn County, Wisconsin. Septic permits inside Town of Wilson come from Dunn County (Dunn County Planning & Land Use — Sanitation · 715-231-6520). 15 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.
Town of Wilson does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
One- and two-family dwellings inside Wilson town, under the state Uniform Dwelling Code (Wis. Admin. Code chs. SPS 320-325)
“subchapter iv — approval and inspection of one- and 2-family dwellings sps 320.08 wisconsin uniform building permit.”
Zoning districts applying inside Wilson town under Dunn County Chapter 13
“intensive agriculture district (ia) primary agriculture district (pa) general agriculture (ga) limited commercial district (lc)”
Single-family residential (R1) lots inside Wilson town not served by community sewer
minimum lot area: >= 1 acre (lots not served by community sewer, excluding road right-of-way)
“lots not served by community sewer shall be a minimum of one acre excluding road right-of-way and a minimum of 85 feet wide at the highway or building setback line.”
“lots served by community sewer shall be a minimum of 10,000 square feet and a minimum of 60 feet wide at the highway or building setback line.”
“the minimum lot size for non-farm single / two family residence and non-farm residential cluster shall be one acre in the ia and pa districts.”
“the ga district shall have a minimum lot size of one acre, excluding road right-of-way.”
Principal structures in the agriculture districts (IA, PA, GA) inside Wilson town (side yard)
minimum side yard setback, principal structure: >= 10 feet (highway and front yard setbacks governed by section 13.3.2)
“the minimum side yard setback shall be 10 feet for principal structures.”
Residential structures in the agriculture districts (IA, PA, GA) inside Wilson town
maximum height, residential structure: <= 35 feet (agricultural structures exempt with setback increase)
“agricultural structures such as barns, silos, tanks, and windmills are hereby exempt from the height regulation provided the front, side and rear yard setbacks are each increased at least one foot for each additional foot of height above 35 feet.”
Recreational vehicle occupancy on private land inside Wilson town (county Chapter 13 applies to towns not on its exception list)
maximum temporary use: <= 365 days out of 547-day period (Agricultural districts: 180 days per calendar year, owner/lessee recreational use only)
“temporary use of a mobile recreational vehicle is permitted in all districts where a single family dwelling is allowed providing: a. zoning and sanitary permit(s) have been issued for the permanent dwelling. b. use does not exceed 365 days out of 547 days.”
Temporary recreational-vehicle use on land inside Wilson town, as stated in the county RV provision
agricultural district temporary RV use: <= 180 days per calendar year (owner or lessee recreational use only)
“the use does not exceed more than 180 days in a calendar year.”
Manufactured home communities inside Wilson town (county Chapter 13 applies to towns not on its exception list)
“mobile / manufactured home community is a permitted use in the residential district (r3), and as a special exception in the r2 and sr districts.”
Accessory dwelling units on lots inside Wilson town (county Chapter 13 applies to towns not on its exception list)
maximum ADU size: <= 1200 square feet · maximum distance from primary dwelling: <= 300 linear feet
“in no case shall the adu be greater than twelve-hundred (1200) square feet. (f) distance requirement. the distance between the primary single-family dwelling and the adu must not exceed 300 linear feet.”
Private onsite sewage (POWTS) on land inside Wilson town; Dunn County sanitary ordinance applies to all towns in Dunn County
“dunn county's shoreland, floodplain, land division, and sanitary ordinances apply to all towns in dunn county.”
Land divisions inside Wilson town under the Dunn County land division ordinance
“dunn county's shoreland, floodplain, land division, and sanitary ordinances apply to all towns in dunn county.”
Zoning and UDC permit process for work inside Wilson town
“zoning permits are required for uses that are listed as "permitted uses" within a zoning district.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Wilson 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 Wilson 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 Wilson means bringing your own water and power. The kit we’d start with:
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