Bolthole Index

Iron County, Wisconsin

Building permits, zoning and land rules in Iron County, Wisconsin

78Index Score / 100
#5 of 72 in Wisconsin

Iron County, Wisconsin requires a building permit for a new one- or two-family home under the statewide Uniform Dwelling Code1. A municipal or state-certified inspector handles the building permit, while Iron County handles septic permits countywide and applies county zoning in unincorporated towns that have adopted it234. Where county zoning applies, an RV cannot be a permanent residence5.

At a glance

Building permit
Required for new one- and two-family homes under Wisconsin's UDC1
County zoning
Applies in unincorporated towns that have approved the county ordinance46
Septic permit
Required through the Iron County issuing agent37
RV living
No permanent RV residence; temporary dwelling use is permit-based89
Owner-builder
An owner who occupies or will occupy the home may take out the construction permit10
Minimum lot size
Varies by zoning district and public-sewer availability1112
Private well
A well permit is required when the home will use a private well13

Who to call

Zoning

Iron County Zoning Department

Land use, sanitary system, fire number, shoreland, recreational vehicle, tourist rooming house, and subdivision permitting and review

715-561-5414

300 Taconite St, Suite 115, Hurley, WI 54534

Roads & driveways

Iron County Highway Department

Driveway permits for county highways, plus overweight and utility permits

715-561-4965

607 3rd Ave N, Suite 1, Hurley, WI 54534

Contact details are copied from each office’s official page and were checked against it on October 9, 2026.

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Do you need a building permit in Iron County, Wisconsin?

Yes. Wisconsin's Uniform Dwelling Code applies statewide to new one- and two-family dwellings built since June 1, 1980, and a covered new home in Iron County needs a building permit before construction begins1415. Alteration and addition requirements can vary by municipality, so the UDC inspector serving the parcel should confirm the scope15. An owner who occupies or will occupy the home may take out the construction and erosion-control permit, but that allowance does not waive the permit or code requirements10. Each construction phase must be inspected before the work is covered16. Occupancy follows a final inspection with no major health or safety violations; some municipalities also issue an occupancy permit17.

Who issues building permits in Iron County, and how do you reach them?

Wisconsin assigns UDC building permits and inspections to a state-certified inspector working through the municipality, an authorized inspection agency or the state where applicable2. Start with the clerk for the town or city where the parcel lies to identify the current UDC inspector. Building-permit authority may be municipal, but Iron County still issues septic permits countywide through its Zoning Administrator3. For county zoning approval, land-use permits and sanitary permits, contact the Iron County Zoning Department at 715-561-5414 or visit 300 Taconite St, Suite 115, Hurley18. A county land-use application needs a scale drawing showing the lot, proposed structures, adjoining streets and waters, uses and households19. Building-permit fees are set locally; county sanitary-permit fees are set by County Board resolution2021.

Does Iron County have zoning?

Iron County's general zoning ordinance covers unincorporated areas or applicable portions, but it takes effect within a town only after that town's board approves it2223. Incorporated cities and villages set their own zoning; Iron County still handles countywide septic permitting through its Zoning Administrator43. Where Title 9 applies, the official map fixes the zoning district and the ordinance sets district-specific lot sizes, yards and building heights24252627. Nonshoreland residential floor-area minimums range by district and bedroom count, while separate map requirements apply in some districts28. Existing undersized lots of record may qualify for continued permitted use, subject to the common-ownership rule29.

How do septic permits work in Iron County?

The Iron County Zoning Administrator is the county issuing agent for private sewage systems, and a valid sanitary permit is required before installation330. Iron County will not authorize a building served by private waste disposal until the plans are reviewed and the sanitary permit is issued7. The county inspects a private sewage system after construction and before backfilling; systems in the maintenance program must be inspected at least once every 3 years31. Bring the proposed home and wastewater layout to the Zoning Department early18. Only about 0.3% of county soils lack severe limitations for a conventional drain field, so settle soil suitability and system design before treating a homesite as buildable32.

Can you live in an RV or tiny home on your land in Iron County?

Where Iron County Title 9 is in force, an RV cannot be a permanent residence5. Outside an approved campground or park, using an RV as a temporary dwelling for 14 or more but fewer than 90 days in a calendar year requires an RV permit; more than 90 days requires a conditional-use permit, an annual RV permit and compliant waste disposal33. The temporary-camping rules also require the applicable fire number, setbacks and district dimensions34. The Town of Mercer has an additional RV rule that we could not confirm, so ask the town before placement there. Iron County does not state a separate tiny-home occupancy category; where Title 9 applies, a dwelling must instead fit its district and floor-area schedule35.

Building a home in Iron County: the steps, in order

  1. Ask the town or city clerk which UDC inspector issues the building permit, and ask the Iron County Zoning Department whether county zoning applies to the parcel22318.
  1. Confirm the zoning district, lot size, setbacks, height and dwelling floor area before finalizing the site plan2425262735.
  1. Obtain the county sanitary permit for private sewage and the required well permit for a private well713.
  1. Submit the county land-use application and the UDC building-permit application to their respective offices1915.
  1. Obtain the driveway permit from the authority controlling the road; the Iron County Highway Department handles county-highway driveway permits3637.
  1. Request building and septic inspections before covering work, then complete the final building inspection before occupancy163117.

What should you check before buying land in Iron County?

Confirm the parcel's town and mapped zoning district with the Iron County Zoning Department before making an offer without contingencies232418. Verify septic feasibility early because only about 0.3% of county soils are rated without severe limitations for a conventional drain field32. Confirm legal and physical access: county rules limit driveway number and width, while the Highway Department and WisDOT issue driveway permits for county and state highways respectively363738. Floodplain development requires the necessary approval, and land divisions in unincorporated Iron County face county subdivision review3940. If rental income matters, a tourist rooming house also needs a county administrative permit where Title 9 applies41.

Watch-outs

  • Iron County's general zoning ordinance is not automatically effective in every town, and incorporated cities and villages set their own zoning; county septic permitting remains with the Iron County Zoning Administrator233.
  • An RV cannot be a permanent residence where Title 9 applies, and stays beyond 90 days require a conditional-use permit, an annual RV permit and compliant waste disposal33.
  • Only about 0.3% of county soils lack severe limitations for a conventional drain field, so settle septic feasibility before committing to a homesite32.

Sources

  1. Wisconsin DSPS One- & Two-Family Uniform Dwelling Code (UDC) (2026 county census)
  2. Wisconsin’s Uniform Dwelling Code (Wisconsin statewide rule), quoted and re-checked
  3. Title 9 Land Use Ordinance, quoted and re-checked
  4. Title 9 Land Use Ordinance, quoted and re-checked
  5. Title 9 Land Use Ordinance, quoted and re-checked
  6. Title 9 Land Use Ordinance, quoted and re-checked
  7. Title 9 Land Use Ordinance, quoted and re-checked
  8. Iron County Title 9 Land Use Ordinance, quoted and re-checked
  9. Iron County Title 9 Land Use Ordinance, quoted and re-checked
  10. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
  11. Title 9 Land Use Ordinance, quoted and re-checked
  12. Title 9 Land Use Ordinance, quoted and re-checked
  13. dsps.wi.gov, quoted and re-checked
  14. One- & Two-Family Uniform Dwelling Code, quoted and re-checked
  15. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
  16. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
  17. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
  18. Iron County Zoning Department (co.iron.wi.gov)
  19. Title 9 Land Use Ordinance, quoted and re-checked
  20. Wisconsin Administrative Code SPS 302.34 (Wisconsin statewide rule), quoted and re-checked
  21. Title 9 Land Use Ordinance, quoted and re-checked
  22. Title 9 Land Use Ordinance, quoted and re-checked
  23. Title 9 Land Use Ordinance, quoted and re-checked
  24. Title 9 Land Use Ordinance, quoted and re-checked
  25. Title 9 Land Use Ordinance, quoted and re-checked
  26. Title 9 Land Use Ordinance, quoted and re-checked
  27. Title 9 Land Use Ordinance, quoted and re-checked
  28. Title 9 Land Use Ordinance, quoted and re-checked
  29. Title 9 Land Use Ordinance, quoted and re-checked
  30. Title 9 Land Use Ordinance, quoted and re-checked
  31. co.iron.wi.gov, quoted and re-checked
  32. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  33. Title 9 Land Use Ordinance, quoted and re-checked
  34. Title 9 Land Use Ordinance, quoted and re-checked
  35. Title 9 Land Use Ordinance, quoted and re-checked
  36. Title 9 Land Use Ordinance, quoted and re-checked
  37. Iron County Highway Department (co.iron.wi.gov)
  38. State highway connection permits (driveways & more) (Wisconsin statewide rule), quoted and re-checked
  39. Title 7 Floodplain Ordinance, quoted and re-checked
  40. Zoning Department, quoted and re-checked
  41. Title 9 Land Use Ordinance, quoted and re-checked

Written October 9, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

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Compared with neighboring counties

Like all 6 of its neighbors, Iron County requires a building permit for a home.

RuleIron CountyAshland CountyPrice CountyVilas CountyBayfield CountyOneida CountySawyer County
Building permitRequiredRequiredRequiredRequiredRequiredRequiredRequired
County zoningYesYesYesYesYesYesYes
Septic permitsCounty Zoning Dept.County Zoning Dept.County Zoning Dept.County Zoning & PlanningCounty Planning & Zoning Dept.County Planning & Zoning Dept.County Zoning Office

County locator

Iron County in Wisconsin

78
County map
Iron County highlighted among the Wisconsin counties · colored by Index score

How Iron County scores

Seclusion85100% ev.
Self-Sufficiency61100% ev.
Admin Boringness44100% ev.
Durability65100% ev.
Property Autonomy70100% ev.
Carry Cost72100% ev.

Evidence strength: 100%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$215kTypical home
1.1%Property tax
$4,086Land / acre
34.9"Annual rain
6.7% of yrsSevere drought
0.3 / yr (+0.3)Mid-century 100°F days
10.5 daysMid-century dry spell
1.71" (+13.5%)Mid-century 1-day rain
1.64×Wildfire change factor
100%Forward climate coverage
$980Home insurance / yr
1% / yrInsurance growth
0.7%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
10,398People within 30 min
153,917People within 2 hr
12,232Radius comparison (15 mi)
8.2People / sq mi
0.1%Federal land
94.2%Land at 15% slope or less
0.3%Soils rated "not limited" for septic (strict USDA rating)
1,368 acWorkable land screen
86.5%Wooded land
40 tonsBiomass / forest ac
39.9°FAvg temp

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Cities and towns in Iron County

Inside a city, town or township here, that government usually sets zoning and may issue its own building permits; the county’s rules above cover land outside them.

Town of Anderson · Town of Carey · Town of Gurney · Hurley · Town of Kimball · Town of Knight · Town of Mercer · Montreal · Town of Oma · Town of Pence · Town of Saxon · Town of Sherman

Answers from the rulebook for Iron County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Iron County rules

  • County-wide zoningPresent (with conditions)

    Iron County land-use, shoreland, and floodplain zoning in unincorporated areas and applicable portions of the county.

    • The general ordinance takes effect within a town only after town-board approval and filing of a certified approving resolution.
    • Shoreland zoning applies within specified shoreland areas; floodplain zoning applies in mapped floodplain areas.
    • More restrictive local regulations may continue where provided by the ordinances.
    “This ordinance shall affect the unincorporated areas of Iron County, or applicable portions thereof, as provided in sub. (B).”
    One more reviewed finding on this topic
    • Present (with conditions) — Iron County zoning in unincorporated areas, subject to the ordinance's town-adoption provisions.
      “This ordinance shall affect the unincorporated areas of Iron County, or applicable portions thereof, as provided in sub. (B).”
  • Local zoningVaries (with conditions)

    Aggregate conclusion for town and municipal zoning within Iron County; the county general ordinance does not automatically apply in every town.

    • Within a town, Title 9 requires town-board approval and filing of an approving resolution.
    • The ordinance identifies Anderson, Carey, Gurney, Kimball, Knight, Mercer, Oma, Pence, Saxon, and Sherman as towns where the prior ordinance remains subject to the one-year approval rule.
    • Incorporated cities and villages are not resolved by the county town-adoption provision and require separate municipal verification.
    “Within any town this Ordinance shall go into effect upon approval by the applicable town board and upon filing with the Iron County Clerk by the applicable town clerk a certified copy of an approving resolution attached to one copy of this Ordinance, as provided in Section 59.69(5)(c) of the Wisconsin Statutes.”
    One more reviewed finding on this topic
    • Varies (with conditions) — Aggregate local zoning across Iron County's unincorporated areas and towns.
      “Within any town this Ordinance shall go into effect upon approval by the applicable town board”
  • Zoning districtsPublished (with conditions)

    Unincorporated Iron County zoning districts and official zoning maps.

    • The ordinance lists 13 district types.
    • District locations and boundaries are shown on the Official Zoning Map and Detailed Zoning Maps 1 through 13.
    • The maps are maintained at the County Zoning Administrator's office and are available for public inspection during office hours.
    • The ordinance's town-adoption provisions govern whether general zoning applies in a particular town.
    “For the purposes of this Chapter, the unincorporated areas of Iron County are hereby divided into the following types of districts”
    One more reviewed finding on this topic
    • Published (with conditions) — Unincorporated areas of Iron County governed by Title 9 zoning.
      “the Board of Supervisors of Iron County in regular session on the (twenty-first) day of January, 1971 do ordain and enact an ordinance regulating and restricting the location, construction and use of buildings, structures and the use of land in the unincorporated portions of Iron County and for said purposes dividing the County into districts.”
  • Minimum dwelling sizeDistrict specific (with conditions)

    Residential floor-area minimums in the Iron County Title 9 non-shoreland zoning districts, where the county ordinance is in effect.

    • The schedule is expressly for non-shoreland dimensional requirements.
    • The schedule applies to the respective listed districts unless specified elsewhere in the ordinance or on the official zoning map.
    • Requirements for W-1 Resource Conservation, SP-1 Shoreland Protection, and PUD Planned Unit Development are contained on the official zoning map.
    • The table footnote states that floor area includes liveable basement area.
    • The county ordinance applies in an unincorporated town only after approval by the applicable town board and filing of a certified approving resolution with the Iron County Clerk; the ordinance states that the filing date is the effective date in that town.
    • The schedule does not itself establish which towns have completed the required adoption filing.

    minimum floor area for 3 or more bedrooms in R-1: 900 sq ft · minimum floor area for 3 or more bedrooms in RR-1: 700 sq ft · minimum floor area for 3 or more bedrooms in R-2: 900 sq ft · minimum floor area for 3 or more bedrooms in R-3: 900 sq ft · minimum floor area for 3 or more bedrooms in A-1: 900 sq ft · minimum floor area for 3 or more bedrooms in A-2: 900 sq ft · minimum floor area for 3 or more bedrooms in C-1: 700 sq ft · minimum floor area for 3 or more bedrooms in I-1: 700 sq ft · minimum floor area for 3 or more bedrooms in I-2: 700 sq ft · minimum floor area for 3 or more bedrooms in F-1: 700 sq ft · minimum floor area for 2 bedrooms in R-1: 800 sq ft · minimum floor area for 2 bedrooms in RR-1: 600 sq ft · minimum floor area for 2 bedrooms in R-2: 800 sq ft · minimum floor area for 2 bedrooms in R-3: 800 sq ft · minimum floor area for 2 bedrooms in A-1: 800 sq ft · minimum floor area for 2 bedrooms in A-2: 800 sq ft · minimum floor area for 2 bedrooms in C-1: 600 sq ft · minimum floor area for 2 bedrooms in I-1: 600 sq ft · minimum floor area for 2 bedrooms in I-2: 600 sq ft · minimum floor area for 2 bedrooms in F-1: 700 sq ft · minimum floor area for 1 bedroom in R-1: 700 sq ft · minimum floor area for 1 bedroom in RR-1: 500 sq ft · minimum floor area for 1 bedroom in R-2: 700 sq ft · minimum floor area for 1 bedroom in R-3: 700 sq ft · minimum floor area for 1 bedroom in A-1: 700 sq ft · minimum floor area for 1 bedroom in A-2: 700 sq ft · minimum floor area for 1 bedroom in C-1: 500 sq ft · minimum floor area for 1 bedroom in I-1: 500 sq ft · minimum floor area for 1 bedroom in I-2: 500 sq ft · minimum floor area for 1 bedroom in F-1: 500 sq ft

    “Section 9.4.14 Zoning Schedule, Non-Shoreland Dimensional Requirements [...] R-1 RR-1 R-2 R-3 A-1 A-2 C-1 I-1 I-2 F-1 [...] FLOOR AREA, RESIDENCES (sqft) *4 3 or more bedrooms 900 700 900 900 900 900 700 700 700 700 2 bedrooms 800 600 800 800 800 800 600 600 600 700 1 bedroom 700 500 700 700 700 700 500 500 500 500”
    One more reviewed finding on this topic
    • District specific (with conditions) — Minimum residential floor area in the non-shoreland zoning districts listed in Iron County Title 9 Section 9.4.14; the ordinance states that requirements for W-1, SP-1, and PUD are contained on the official zoning map.
      “Section 9.4.14 Zoning Schedule, Non-Shoreland Dimensional Requirements [...] *4 Includes liveable basement area [...] R-1 RR-1 R-2 R-3 A-1 A-2 C-1 I-1 I-2 F-1 [...] FLOOR AREA, RESIDENCES (sqft) *4 3 or more bedrooms 900 700 900 900 900 900 700 700 700 700 2 bedrooms 800 600 800 800 800 800 600 600 600 700 1 bedroom 700 500 700 700 700 700 500 500 500 500”
  • Minimum lot sizeDistrict specific (with conditions)

    Lots in the listed non-shoreland zoning districts in applicable unincorporated portions of Iron County that are not served by public sewer: R-1, RR-1, R-2, R-3, A-1, A-2, C-1, I-1, I-2, and F-1.

    • The ordinance applies in unincorporated areas or applicable portions thereof.
    • Within a town, the ordinance takes effect only upon approval by the applicable town board and filing with the Iron County Clerk of a certified approving resolution.
    • W-1 Resource Conservation, SP-1 Shoreland Protection, and PUD Planned Unit Development dimensional requirements are contained on the official zoning map, not this schedule.
    • The schedule is subject to provisions specified elsewhere in the ordinance or on the official zoning map.
    • The R-1, RR-1, and F-1 figures include a footnote adding 20,000 square feet for each additional habitable unit.
    • The C-1 figure includes a footnote requiring any additional area required by Section 85.093, Wisconsin Administrative Code.
    • Existing recorded substandard lots may be devoted to uses permitted in the district.
    • Two or more substandard lots with continuous frontage under the same ownership as of the effective date are treated as one parcel.
    • Any lot created after adoption and not served by public sewer must also meet minimum area requirements of the Iron County Sanitary Code and Iron County Subdivision Control Ordinance.
    • Any shoreland lot must meet dimensional requirements listed on the Zoning Schedule; the cited table is expressly the non-shoreland schedule.

    R-1 required lot area without public sewer: 60000 sq ft (Plus 20,000 square feet for each additional habitable unit.) · RR-1 required lot area without public sewer: 60000 sq ft (Plus 20,000 square feet for each additional habitable unit.) · R-2 required lot area without public sewer: 80000 sq ft (Plus 20,000 square feet for each additional habitable unit.) · R-3 required lot area without public sewer: 5 acres · A-1 required lot area without public sewer: 20 acres · A-2 required lot area without public sewer: 35 acres · C-1 required lot area without public sewer: 20000 sq ft (Plus any additional area required by Section 85.093, Wisconsin Administrative Code.) · I-1 required lot area without public sewer: 1 acre · I-2 required lot area without public sewer: 10 acres · F-1 required lot area without public sewer: 60000 sq ft (Plus 20,000 square feet for each additional habitable unit.)

    “*3 Plus any additional area required by Sec. 85.093, Wis. Adm. Code. [...] *6 Plus 20,000 square feet for each additional habitable unit. [...] Without Public Sewer 60,000*6 60,000*6 80,000*6 5 acres 20 acres 35 acres 20,000*3 1 acre 10 acres 60,000*6”
    5 more reviewed findings on this topic
    • District specific (with conditions) — Lots in the listed non-shoreland zoning districts in applicable unincorporated portions of Iron County that are served by public sewer: R-1, RR-1, R-2, R-3, A-1, A-2, C-1, I-1, I-2, and F-1.
      “R-1 RR-1 R-2 R-3 A-1 A-2 C-1 I-1 I-2 F-1 [...] REQUIRED LOT AREA(SQ FT) With Public Sewer 15,000 *2 15,000*2 40,000 5 acres 20 acres 35 acres 10,000 1 acre 10 acres 10,000”
    • Specified — Residential and other zoning districts in the county zoning schedule.
      “With Public Sewer 15,000 *2 15,000*2 40,000 5 acres 20 acres 35 acres 10,000”
    • Specified — Minimum lot areas in county zoning districts where Title 9 applies.
      “REQUIRED LOT AREA(SQ FT) With Public Sewer 15,000 *2 15,000*2 40,000 5 acres 20 acres 35 acres 10,000 1 acre 10 acres 10,000 Without Public Sewer 60,000*6 60,000*6 80,000*6 5 acres 20 acres 35 acres 20,000*3 1 acre 10 acres 60,000*6”
    • Specified — Lots in the shoreland area of unincorporated Iron County, including land within the ordinance's regulated shoreland areas.
      “minimum lot area shall be 10,000 sq. ft. and the minimum average lot width shall be 65 feet. [...] minimum lot area shall be 20,000 sq. ft. and the minimum average lot width shall be 100 feet.”
    • Specified — Existing substandard lots of record in the unincorporated portions of Iron County, where Title 9 is effective.
      “Lot existing and of record prior to adoption of this Chapter but of substandard size, may be devoted to uses permitted in the district in which located. (B) If two (2) or more substandard lots with continuous frontage have the same ownership as of the effective date of this Chapter, the lots involved shall be considered to be an individual parcel for the purposes of this Chapter.”
  • SetbacksSpecified

    Buildings along state, U.S., county, town, and designated major or arterial roads.

    • Class A setback is 110 feet from centerline or 50 feet from right-of-way, whichever is greater.
    • Class B setback is 75 feet from centerline or 42 feet from right-of-way, whichever is greater.
    • Class C setback is 63 feet from centerline or 30 feet from right-of-way, whichever is greater.
    • An averaging exception applies under the ordinance's stated conditions and minimums.
    • Minor removable structures and utility equipment without permanent foundations may be permitted within setback lines, subject to the ordinance.

    Class A highway setback: 110 feet from centerline or 50 feet from right-of-way (whichever is greater) · Class B highway setback: 75 feet from centerline or 42 feet from right-of-way (whichever is greater) · Class C highway setback: 63 feet from centerline or 30 feet from right-of-way (whichever is greater)

    “one hundred ten (110) feet from the centerline of the highway or fifty (50) feet from the right-of-way line, whichever is greater.”
    One more reviewed finding on this topic
    • Specified — Buildings and access driveways in areas governed by Iron County zoning.
      “The setback line for Class A highways and for any other roads designated as major roads on official maps in effect in the County shall be one hundred ten (110) feet from the centerline of the highway or fifty (50) feet from the right-of-way line, whichever is greater.”
  • Building heightSpecified

    Building-height limits in county zoning districts where Title 9 applies.

    • The schedule lists district-specific limits.
    • Certain structures may exceed district limits with County Zoning Committee approval, including cooling towers, silos, windmills, water towers, and antennae.

    district height limit: 35 or 60 feet (Varies by district)

    “BUILDING HEIGHT LIMIT 35 35 35 35 35 35 35 60 60 35”
    One more reviewed finding on this topic
    • District specific (with conditions) — Building height in the unincorporated portions of Iron County within the listed non-shoreland zoning districts, where the county ordinance is effective.
      “R-1 RR-1 R-2 R-3 A-1 A-2 C-1 I-1 I-2 F-1 BUILDING HEIGHT LIMIT 35 35 35 35 35 35 35 60 60 35”
  • Living in an RVLimited

    Recreational vehicles and travel trailers on parcels in the unincorporated areas of Iron County where Title 9 is in force.

    • A recreational vehicle may not be used as a permanent residence or as a storage accessory structure.
    • A recreational vehicle in a campground must comply with DHS 178.
    • Outside an approved campground or park, a fire number is required and the vehicle must meet the setback and dimensional requirements of the applicable district.
    • A Recreational Vehicle Permit is required when the vehicle is used as a temporary dwelling for 14 or more days and fewer than 90 days in a calendar year.
    • More than 90 days in a calendar year requires a conditional use permit and Recreational Vehicle Annual Permit, plus a privy or sanitary waste disposal system meeting DSPS Sanitary Code requirements.
    • Storage is allowed in a garage, carport, accessory structure, or rear or side yard of a developed parcel if setbacks are met; storage on undeveloped parcels is prohibited.
    • Storage of more than three units requires a conditional use permit and/or compliance with permitted campground or park requirements.
    • Abandoned, dilapidated, unsafe, or unsanitary units are not allowed.
    • A removal order for a noncompliant vehicle must allow at least 30 days.
    • Nonconforming recreational vehicles and trailers must comply within one year after adoption of the amendment.
    • For parcels in the Town of Mercer, the vehicle or trailer must also meet Town of Mercer Ordinance No. 2004.01, section 3.3.
    • Title 9 applies to unincorporated areas, and within a town its force and effect depends on town-board approval and filing of a certified approving resolution with the Iron County Clerk.

    temporary-dwelling permit threshold: >= 14 days in a calendar year (The permit applies when the period is less than 90 days.) · temporary-dwelling permit upper limit: < 90 days in a calendar year (More than 90 days requires a conditional use permit and annual permit.) · annual RV permit threshold: > 90 days in a calendar year (A conditional use permit and sanitary waste disposal system are also required.) · maximum stored units without additional conditional-use requirement: <= 3 units (More than three units requires a conditional use permit and/or campground or park compliance.) · minimum removal-order period: >= 30 days (Applies to an order removing a noncompliant recreational vehicle.) · seasonal recreational vehicle permit fee: 50 USD (For 14 to 90 days in a calendar year; fee schedule states no CUP required.) · annual recreational vehicle permit fee: 100 USD (Fee schedule states conditional use and sanitary approval are required.)

    “No recreational vehicle shall be used as a permanent residence or as a storage accessory structure.”
    4 more reviewed findings on this topic
    • Prohibited — Use of a recreational vehicle as a permanent residence in the unincorporated areas of Iron County where the county ordinance is effective.
      “(A) No recreational vehicle shall be used as a permanent residence or as a storage accessory structure.”
    • Limited — Temporary dwelling use of a recreational vehicle outside an approved campground or park in the unincorporated areas of Iron County where the county ordinance is effective.
      “(3) Require a Recreational Vehicle Permit when it is being used for a temporary dwelling and is located on a parcel of land 14 or more days and less than 90 days in a calendar year. If the recreational vehicle or trailer is located on a parcel of land for more than 90 days in a calendar year a conditional use permit and Recreational Vehicle Annual Permit shall be required and a privy or sanitary waste disposal system meeting the requirements of the Dept. of Safety and Professional Services Sanitary Code shall be provided.”
    • Limited — Recreational vehicles outside an approved campground or park in applicable unincorporated areas.
      “No recreational vehicle shall be used as a permanent residence or as a storage accessory structure.”
    • Prohibited — Use of a recreational vehicle as a permanent residence in unincorporated areas of Iron County where Title 9 is in effect.
      “No recreational vehicle shall be used as a permanent residence”
  • Camping on your landLimited

    Trailer and recreational-vehicle camping in unincorporated Iron County.

    • Trailers or RVs generally must be in an approved federal, state, town, or county camp or an approved campsite, except as allowed under the RV provisions.
    • Trailer camps require approved plans, marked and surfaced sites, sanitary facilities, and compliance with county and state sanitation rules.
    “Except that a trailer or recreation vehicle may be parked or located in conformance to Section 9.7.12, no trailer or recreation vehicle shall be located within Iron County except in a Federal, State. Town or County camp or in a campsite, the plan of which has been approved by the Iron County Zoning Committee.”
    One more reviewed finding on this topic
    • Limited — Temporary dwelling use of an RV outside an approved campground or park.
      “Require a Recreational Vehicle Permit when it is being used as a temporary dwelling”
  • Manufactured homesLimited

    Mobile-home parks in applicable unincorporated areas of Iron County.

    • The mobile-home park plan must be approved by the County Zoning Committee.
    • The park must be at least 4 acres, have no more than 6 mobile-home sites per acre, and meet the listed site-width, height, spacing, setback, screening, construction, water, sewage, parking, and sanitation requirements.
    • Title 9 applies in a town upon approval by the applicable town board and filing of the approving resolution.

    minimum mobile-home park size: >= 4 acres · maximum mobile-home sites: <= 6 per acre · maximum mobile-home trailer height: <= 15 feet · minimum distance between mobile-home trailers: >= 20 feet · minimum distance between mobile home and service road: >= 10 feet · minimum side yard setback at park lot lines: >= 40 feet (Applies at all front, side and rear lot lines of the mobile-home park.)

    “Except as otherwise specified, a mobile home park, the plan of which has been approved by the County Zoning Committee shall meet the following requirements: (1) Minimum size-four (4) acres. (2) Maximum number of mobile home sites-six (6) per acre. (3) Minimum width of a mobile home site-forty (40) feet. (4) Maximum height of a mobile home trailer-fifteen (15) feet. (5) Minimum distance between mobile home trailers-twenty (20) feet. (6) Minimum distance between mobile home and service road-ten (10) feet.”
    2 more reviewed findings on this topic
    • Limited — A single mobile home in the A-1 Primary Agricultural District in applicable unincorporated areas of Iron County.
      “One- (1) family and two- (2) family farm residences and a single mobile home (mobile home provision does not apply to the Town of Mercer due to local ordinance), but only when occupied by owners and/or persons engaged in farming activities on the premises.”
    • Limited — Manufactured-home occupancy under the county agricultural zoning district provisions.
      “One- (1) family and two- (2) family farm residences and a single mobile home (mobile home provision does not apply to the Town of Mercer due to local ordinance), but only when occupied by owners and/or persons engaged in farming activities on the premises.”
  • Who permits septicCounty

    Private sewage system permitting and administration in Iron County.

    • The Zoning Administrator is the county issuing agent.
    • The ordinance also references the Wisconsin Department of Safety and Professional Services.
    “The Zoning Administrator shall act as the Iron County issuing agent”
  • Septic permitRequired

    Installation of a private sewage system in Iron County.

    • A valid sanitary permit is valid for two years from issuance and is renewable for similar periods.
    • A sanitary permit may transfer to a subsequent landowner, but the subsequent owner must obtain a new copy from the issuing agent.
    • Applications require certified soil tester reports and may require site verification.
    • Fees are established by Iron County Board resolution; the current fee schedule is kept in the County Zoning Administrator's office.

    sanitary permit validity: 2 years (renewable for similar periods)

    “No person may install a private sewage system unless the owner of the property [...] holds a valid sanitary permit.”
    One more reviewed finding on this topic
    • Required — Installation of private sewage systems in Iron County.
      “The County Zoning Administrator shall not hereafter authorize a building to be erected, structurally altered, or relocated which has a private waste disposal system unless the plans for the system have been reviewed in accordance with the provisions of the Iron County Sanitary Code, and a sanitary permit has been issued.”
  • Septic inspectionRequired

    Private sewage systems in Iron County.

    • Post-construction inspection must occur before backfilling and no later than the end of the next workday after notice from the plumber, excluding Saturdays, Sundays, and holidays.
    • Maintenance-program systems require inspection at least once every three years.

    post-construction inspection deadline: end of next workday (excluding Saturdays, Sundays and holidays) · maintenance inspection interval: 3 years

    “The issuing agent shall inspect or cause the inspection of all private sewage systems after construction, but before backfilling”
  • Subdividing landRegulated (with conditions)

    Subdivision, condominium plat, and certified survey map review handled by Iron County.

    • The county zoning department lists certified survey map and subdivision review as a service.
    • The fee schedule lists review fees for subdivisions, condominium plats, and certified survey maps.

    review fee: 200 + 50 per lot USD

    “Lots created after adoption of this Chapter and which are not served by public sewer systems shall meet minimum area requirements of the Iron County Sanitary Code and the Iron County Subdivision Control Ordinance.”
    One more reviewed finding on this topic
    • Regulated (with conditions) — Land divisions and subdivisions within the unincorporated areas of Iron County.
      “Every division of land within the unincorporated areas of Iron County shall be subject to the provisions of this Chapter and Chapter 236, Wis. Stats.”
  • Driveway accessRequired

    Access driveways from abutting properties to highways in areas governed by Iron County zoning.

    • Minimum frontage, spacing, right-of-way, and per-parcel driveway distances vary by highway class.
    • A service road may be required for multiple lots abutting Class A or Class B highways unless a temporary access permit is granted.
    • Maximum driveway number and width also apply.

    Class A highway driveway spacing: 300 feet / 300 feet / 200 feet feet (frontage / intersection right-of-way / per parcel) · Class B highway driveway spacing: 150 feet / 150 feet / 150 feet feet (frontage / intersection right-of-way / per parcel) · other land uses maximum driveways: 2 (maximum width 24 feet)

    “Access driveways to highways from abutting properties shall comply with the following Requirements:”
    One more reviewed finding on this topic
    • Limited — Access driveways to highways and service roads in applicable unincorporated areas.
      “Commercial and Industrial Land Uses 2 35 feet [...] Other Land Uses 2 24 feet”
  • Building in a floodplainRequired

    Development or use within Iron County-regulated floodplain areas.

    • The ordinance regulates areas covered by the regional or base flood shown on FIRM or DNR-approved maps.
    • The most restrictive information applies when multiple maps or revisions are referenced.
    • All cities, villages, towns, and counties must comply and obtain necessary permits unless specifically exempted by law.
    • More restrictive ordinances remain in force.
    “This ordinance is intended to regulate floodplain development”
  • Short-term rentalsLimited

    Tourist rooming houses, defined as short-term rentals of 30 days or less, in applicable unincorporated areas.

    • No person may operate without an administrative permit from the Zoning Department.
    • A Wisconsin resident agent within 50 miles is required unless the property owner is a permanent Iron County resident.
    • POWTS occupancy is limited to the lesser of system design capacity or state/local license occupancy.
    • Parking, sanitary-system, contact-information, notice, licensing, insurance, rental-agreement, annual-renewal, and fee conditions apply.
    • The permit expires upon change of ownership and may be revoked for listed violations.

    short-term rental duration: <= 30 days or less · application review period: 30 days (complete application packet)

    “No person may operate a tourist rooming house without an administrative permit from the Zoning Department.”
  • Permit feesVariable (with conditions)

    Iron County sanitary permits and tourist rooming house permits.

    • Sanitary permit fees are established by resolution of the Iron County Board of Supervisors.
    • The current sanitary fee schedule is kept on file in the County Zoning Administrator's office.
    • Tourist rooming house application fees are designated periodically by the Iron County Zoning Committee fee schedule.
    • The amount of the fee was not stated in the reviewed official sources.
    “The fee for sanitary permits shall be as established by resolution of the Iron County Board of Supervisors.”
  • Permit processPublished (with conditions)

    Iron County land-use and sanitary permitting processes.

    • Land-use applications require scale maps or drawings showing lot location, size, shape, proposed structures, abutting streets and waters, and existing and proposed uses.
    • Sanitary applications are submitted to the issuing agent, who reviews soil reports and approves or disapproves applications.
    • Tourist-rooming-house applications require a complete application packet and are reviewed within 30 days.

    tourist-rooming-house review period: 30 days (after receipt of a complete application packet)

    “Applications for land use permits shall be accompanied by scale maps or drawings showing accurately the location, size and shape of the lot (s) involved, and of any proposed structures, including the relation to abutting streets and any abutting lakes or streams, and the existing and proposed use of each structure and lot and the number of families to be accommodated.”
    One more reviewed finding on this topic
    • Partial — Iron County land-use, sanitary-system, and tourist-rooming-house permitting.
      “Applications for land use permits shall be accompanied by scale maps or drawings”

Wisconsin rules that apply here

  • Building permitRequired

    New one- and two-family dwellings covered by Wisconsin’s Uniform Dwelling Code, including covered additions and alterations.

    • The cited brochure states that permit requirements for alterations and additions vary by municipality.
    • Construction begins only after plans are approved and the building permit is issued and posted.
    • The enforcing jurisdiction may be the municipality, county, or state.
    • Local zoning, land-use, floodplain, sanitary, well, driveway, utility, and other approvals may also be required.
    • A building permit cannot be issued for a new dwelling using a private onsite wastewater treatment system until a sanitary permit has been issued.
    “Begin construction after plans are approved and building permit is issued and posted.”
    One more reviewed finding on this topic
    • Required — New UDC-covered one- and two-family dwellings in Iron County.
      “Begin construction after plans are approved and building permit is issued and posted.”
  • Owner-builder exemptionConditional

    An owner obtaining construction and erosion-control permits for a dwelling covered by the Wisconsin Uniform Dwelling Code.

    • The owner must occupy the home currently or will occupy it after completion.
    • The exemption permits the owner to take out the construction and erosion-control permits without the state-certified Dwelling Contractor and Dwelling Contractor Qualifier arrangement described for contractors.
    • The owner-occupancy statement must be checked on the permit application if the applicant does not possess Dwelling Contractor certification.
    • The source describes an owner-occupancy condition; it does not establish a general exemption for non-occupant owners.
    “The construction and erosion control permits must be taken out by a state-certified Dwelling Contractor, who also employs a state-certified Dwelling Contractor Qualifier, or by the owner who occupies the home currently or will after completion.”
    One more reviewed finding on this topic
    • Available (with conditions) — Construction and erosion-control permits for a home occupied by its owner.
      “or by the owner who occupies the home currently or will after completion.”
  • Building code adoptedAdopted (with conditions)

    Public buildings, places of employment, and multifamily buildings subject to Wisconsin's commercial building code.

    • The Division of Industry Services reviews plans before construction for compliance with state statutes and building codes.
    • Local certified municipalities may provide plan review and inspection services for certain building types.
    • The Wisconsin Commercial Building Code adopted the 2021 ICC effective September 1, 2025; plans submitted November 1, 2025 or later must comply with the updated code.
    • Municipalities may have grandfathered fire detection, prevention, and suppression ordinances under 2013 Act 270.

    2021 ICC adoption date: September 1, 2025 (The deadline for building plan compliance was delayed.) · updated-code plan-submission deadline: November 1, 2025 (Plans submitted on or after this date must comply with the updated Commercial Building Code.)

    “2013 Act 270 establishes a uniform commercial building code in Wisconsin while allowing municipalities to grandfather fire detection, prevention, and suppression ordinances”
    4 more reviewed findings on this topic
    • Adopted — New one- and two-family dwellings in Iron County built since June 1, 1980.
      “It is a uniform building code that applies across the state.”
    • Adopted (with conditions) — New one- and two-family dwellings in Wisconsin built since June 1, 1980.
      “The Uniform Dwelling Code (UDC) is the statewide building code for one- and two-family dwellings built since June 1, 1980.”
    • Adopted (with conditions) — New Wisconsin one- and two-family dwelling construction, including stick-built, modular, and manufactured home installations
      “A permit under the UDC is required for new one- and two-family dwelling units. This includes stick-built, modular, and manufactured home installations.”
    • Adopted — Wisconsin's Uniform Dwelling Code, chapters SPS 320-325, for new one- and two-family dwelling units, including stick-built, modular, and manufactured home installations.
      “SPS 320-325 Uniform Dwelling Code (UDC), construction standard for 1-2 family dwelling units, applies uniformly statewide”
  • InspectionsRequired

    Each phase of construction of a one- or two-family dwelling governed by the Wisconsin Uniform Dwelling Code.

    • Inspections are called for before each phase is covered up.
    • The local inspector’s instructions apply.
    • The inspector has two business days after the inspection request and the work being ready to inspect before the work may be covered.
    • Inspections check compliance with the code and may also check compliance with approved plans.
    • The UDC is enforced by municipal or county building inspection departments or the Wisconsin Division of Industry Services.

    inspection response period: 2 business days (After the inspection request and the work is ready to inspect, before the work may be covered up.)

    “Call for inspections of each phase of construction prior to covering it up - check the local inspector’s instructions. The inspector has two business days after the date that you make the inspection request and the work is ready to inspect, before you may cover up the work. Inspectors will check for compliance with the code.”
    One more reviewed finding on this topic
    • Required — Each phase of construction for a UDC-covered dwelling in Iron County.
      “Call for inspections of each phase of construction prior to covering it up - check the local inspector’s instructions.”
  • Certificate of occupancyLimited

    Occupancy of UDC-covered dwellings in Iron County.

    • Occupancy follows a final inspection in which no major health or safety violations are found.
    • Some municipalities issue occupancy permits; the source does not make an occupancy permit universally required.
    • The dwelling exterior must be completed within two years after permit issuance.

    exterior completion deadline: 2 years after permit issuance

    “Take occupancy after receiving a final inspection in which no major health or safety violations are found.”
    One more reviewed finding on this topic
    • Limited — Occupancy of a dwelling governed by Wisconsin’s Uniform Dwelling Code after construction.
      “Take occupancy after receiving a final inspection in which no major health or safety violations are found. (Some municipalities will issue occupancy permits.) Also, the dwelling’s exterior must be completed within two years after permit issuance.”
  • Lot coverageSpecified

    Impervious-surface coverage in the statewide shoreland framework and the DNR county model ordinance for qualifying shoreland lots or parcels.

    • The general standard applies to construction, reconstruction, expansion, replacement, or relocation of impervious surfaces within 300 feet of the ordinary high-water mark on riparian lots and parcels entirely within 300 feet of the ordinary high-water mark.
    • The general standard is 15 percent.
    • A lot or parcel may exceed 15 percent but not exceed 30 percent with a permit and mitigation plan.
    • For highly developed shorelines, counties are not required to adopt the special standards; if adopted, residential coverage may exceed 30 percent but not exceed 40 percent with a mitigation plan.
    • Treated impervious surfaces and defined roadways and sidewalks may be excluded from calculation when the ordinance conditions are met.

    general impervious-surface limit: <= 15 percent of lot or parcel · maximum under general standard with mitigation: 30 percent of lot or parcel (permit and mitigation plan required) · highly developed shoreline residential maximum: 40 percent of lot or parcel (special standard adopted and mitigation plan required)

    “The percentage of impervious surface allowed on a lot or parcel described under section 11.2 and as calculated under section 11.3 shall not exceed 15%.”
  • Off-grid sanitationLimited

    Sanitation for buildings with plumbing fixtures that are not connected to a public sewer in Wisconsin.

    • Off-grid wastewater handling must provide for treating, recycling, dispersing, or holding wastewater.
    • Private onsite wastewater treatment systems remain subject to Wisconsin POWTS requirements and applicable plan review or permits.
    • The rule does not establish unrestricted approval for any particular composting toilet, privy, holding tank, or other device.
    “Where plumbing fixtures exist in a building that is not connected to a public sewer system, suitable provision shall be made for treating, recycling, dispersing or holding the wastewater.”
  • Well permitLimited

    Construction of private wells statewide in Wisconsin.

    • A Well Construction Notification Number must be obtained before constructing a new private well that is not a high-capacity well.
    • Exceptions to the notification requirement include high-capacity wells, reconstruction of existing wells, and wells on Native American property; high-capacity wells or other wells requiring written DNR approval follow the approval requirements.
    • Some DNR-approved county ordinances additionally require a well permit before construction.
    • A Well Construction Report must be submitted to DNR within 30 days after construction.

    well construction notification fee: 50.5 USD (Fee and notification number are not refundable or transferable.) · well construction report deadline: 30 days after construction

    “Wisconsin law requires that a property owner provide advance notice to DNR before construction of any new private well that is not a high capacity well, and advance notice of any heat exchange drillhole construction (geothermal system) that does not require a written DNR approval.”
    One more reviewed finding on this topic
    • Required — A home using a private well in Iron County.
      “Obtain sanitary or well permits from the county or municipality if the home will use a private sewage system or well.”
  • Mandatory utility hookupWater and sewer (with conditions)

    Pre-installation water and sewer systems in a manufactured/mobile home park in Wisconsin.

    • Pre-installation plumbing-system plan review is required.
    • Submitted plans must comply with the Wisconsin Plumbing Code.
    • A conditional approval letter gives permission to start construction.
    • Local permitting requirements remain pending.
    “Pre-installation plan review of the water and sewer systems in a manufactured/mobile home park is required as a plumbing system plan review via esla.wi.gov.”
  • Agricultural exemptionConditional

    Wisconsin farmland preservation zoning districts and farmland preservation agreements; these are conditional agricultural-use protections and tax-credit frameworks, not a blanket exemption from local land-use or land-division ordinances.

    • Certified farmland preservation zoning districts limit land uses to agriculture and other compatible uses.
    • Local ordinances are crafted locally and must meet or be more restrictive than Chapter 91 standards.
    • A farmland preservation agreement requires land to remain in agricultural use for 10 years and comply with state soil and water conservation standards.
    • Agreement eligibility requires ownership of the farmland, location in a designated Agricultural Enterprise Area, at least $6,000 gross farm revenue during the last year or $18,000 during the last three years, and compliance with applicable conservation standards.
    • A certificate of compliance from the county land conservation committee is required to show compliance.
    • Other local zoning and land-division ordinances continue to apply.
    • A covered agreement provides exemption from special assessments for sanitary sewer or water imposed by specified local governmental entities.
    • Releases before expiration require written consent, a DATCP finding that agricultural use of other protected farmland will not be impaired, and payment of the specified conversion fee.

    farmland preservation agreement term: 10 years (agreements effective before December 8, 2023, were minimum 15-year agreements) · minimum gross farm revenue during last year: >= 6000 USD (alternative test of $18,000 during the last three years) · minimum gross farm revenue during last three years: >= 18000 USD (alternative to the $6,000 last-year test) · tax credit: $10.00 per acre or $12.50 per acre if also in a certified farmland preservation zoning district (other eligibility requirements apply)

    “Remember that other local ordinances (such as zoning and land division ordinances) continue to apply to your land, regardless of whether you sign an agreement.”
  • Campground & park staysLimited

    Recreational trailers, pickup truck campers, and motor homes occupying campsites in Wisconsin State Park System family campgrounds.

    • Camping reservations are required before setting up on any site.
    • A campsite may contain no more than one recreation trailer, pickup truck camper, or motor home.
    • No person may camp or leave a camping unit in a family campground for more than 14 days in any 21 days.
    • Pickup campers or motor homes pulling a trailer are treated as a single unit.

    maximum camping-unit occupancy per campsite: 1 recreation trailer, pickup truck camper, or motor home (Pickup campers or motor homes pulling a trailer are treated as a single unit.) · maximum stay: 14 days in any 21 days

    “A campsite may be occupied by no more than one recreation trailer, pickup truck camper or motor home. Pickup campers or motor homes pulling a trailer are treated as a single unit. [...] No one may camp or leave a camping unit in a family campground for more than 14 days in any 21 days.”
    3 more reviewed findings on this topic
    • Limited — Occupancy of recreational vehicles, including recreation trailers, pickup truck campers, motor homes, camper vans, and truck campers, at Wisconsin State Park System campsites.
      “A campsite may be occupied by no more than one recreation trailer, pickup truck camper or motor home. Pickup campers or motor homes pulling a trailer are treated as a single unit.”
    • Limited — Temporary camping at Wisconsin State Park System properties.
      “Camping reservations are required and can be made up to 11 months in advance of your planned date of occupancy. Campers must make a reservation before setting up on any site.”
    • Limited — Temporary camping in Wisconsin State Park System family campgrounds.
      “Camping reservations are required and can be made up to 11 months in advance of your planned date of occupancy. Campers must make a reservation before setting up on any site. [...] No one may camp or leave a camping unit in a family campground for more than 14 days in any 21 days. [...] Not all properties offer camping during non-summer months. Camping seasons vary by property.”
  • county zoning authorityGeneral

    Wisconsin counties may enact and amend county zoning ordinances under Wis. Stat. § 59.69 for participating towns, which are generally unincorporated areas.

    • County zoning applies only in towns that have adopted county zoning.
    • After a comprehensive revision of the county zoning ordinance, the town has authority to decide whether county zoning applies in the town.
    • Towns have authority to approve or disapprove amendments to a county zoning ordinance.
    • A town that does not fall under county zoning may be unzoned or may have its own town zoning ordinance.
    “Counties exercise zoning ordinances under s. 59.69, Wis. Stats. County zoning only applies in towns that have adopted county zoning.”
  • county building authorityGeneral

    Wisconsin county authority to administer construction and inspection of new one- and two-family dwellings, including in unincorporated areas, through the UDC delegation and inspection framework.

    • Counties must have delegated authority to exercise UDC jurisdiction.
    • A county with delegated authority has jurisdiction over new one- and two-family dwellings in cities, villages, and towns that do not have their own delegated authority.
    • The DSPS page directs applicants to the municipality when it has delegated authority and otherwise to DSPS or the appointed county inspector.
    • The authority described is for construction and inspection under the statewide UDC; local zoning, land-use, sanitary, floodplain, and other requirements may still apply.

    covered construction: new one- and two-family dwellings (Jurisdiction depends on DSPS delegation and whether the municipality has its own delegated authority.)

    “Counties: Counties with delegated authority have been authorized jurisdiction over the construction and inspection of new one- and two-family dwellings in cities, villages, and towns which do not have their own delegated authority.”
    2 more reviewed findings on this topic
    • General — County authority to enforce the statewide Uniform Dwelling Code and administer building inspection and permitting for new one- and two-family dwellings in Wisconsin, including unincorporated areas where the county is the responsible inspection authority.
      “The UDC is primarily enforced by municipal or county building inspectors who must be state-certified. In lieu of local enforcement, municipalities have the option to have the state provide enforcement for just new homes.”
    • Limited — County enforcement of Wisconsin’s Uniform Dwelling Code for new one- and two-family dwellings in municipalities, including towns, that do not have their own delegated authority
      “Counties: Counties with delegated authority have been authorized jurisdiction over the construction and inspection of new one- and two-family dwellings in cities, villages, and towns which do not have their own delegated authority.”

Set by your township or city, not the county

In Wisconsin, zoning is adopted by each township or city, so Iron County has no county-wide answer on these. Find your township or city in the list of places on this page, or call its clerk or zoning administrator.

  • Tiny homes
  • Accessory dwellings

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.

Living off-grid in Iron County, Wisconsin

Is Iron County a good place to live off-grid or homestead?

Iron County scores 78/100 on the Bolthole Index, a strong county profile. Its strengths: sparse surroundings — about 10,398 people within a 30-minute drive and manageable long-term carry cost.

Do you need a building permit in Iron County, Wisconsin?

Iron County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Iron County Zoning Department (POWTS/sanitary permitting). Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

Can you live in an RV or tiny home on your land in Iron County?

Living in an RV on your own land in Iron County is limited to specific cases: Recreational vehicles and travel trailers on parcels in the unincorporated areas of Iron County where Title 9 is in force. A recreational vehicle may not be used as a permanent residence or as a storage accessory structure. A recreational vehicle in a campground must comply with DHS 178. Confirm with the county before relying on it.

How much does land cost in Iron County, Wisconsin?

Land in Iron County runs about $4,086 per acre, based on the latest county data.

What is the water situation in Iron County?

Iron County gets about 34.9" of rain a year, with severe drought in roughly 6.7% of years.

How remote is Iron County?

A representative private-land location has about 10,398 people within a 30-minute drive and 153,917 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

How Iron compares in Wisconsin

Compare side-by-side →See all 72 Wisconsin counties ranked →