Bolthole Index

Dane County, Wisconsin

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

52Index Score / 100
#61 of 72 in Wisconsin

A new one- or two-family home in Dane County, Wisconsin requires a Uniform Dwelling Code building permit, including a stick-built, modular or manufactured home, issued by a delegated municipality or the state1. County zoning permits are required in the unincorporated towns that have adopted Dane County's zoning ordinance, with municipal zoning applying inside cities and villages23. Septic permits and well-location permits for every address in the county, city or not, go through Public Health Madison & Dane County4.

At a glance

Building permit
Required for a new one- or two-family home; a delegated municipality or DSPS issues the UDC permit5
Zoning
County zoning applies where the town board adopted the county ordinance (six towns have opted out); cities and villages zone themselves2
Septic permit
Required before installing or altering a private sewage system; Public Health Madison & Dane County handles applications64
Owner-builder exemption
Available to an owner who occupies or will occupy the home, without waiving plans, permits, inspections or code compliance7
RV or tiny-home living
Not confirmed countywide; ask Dane County Zoning about the parcel's district and town89
Well permit
A county well-location permit is required before installing a private well or water system10
Septic soils
Only about 6.9% of county land is free of severe limits for a conventional drain field11
Lot standards
District-specific; examples range from no minimum lot size in NR-C to 15,000 square feet in RE-112

Who to call

Zoning

Dane County Zoning

Reviews and issues the county zoning permit required for new structures, decks, additions, alterations and keeping domestic fowl or bees outside the cities and villages of unincorporated Dane County

(608) 266-4266

zoning@danecounty.gov

210 Martin Luther King Jr. Blvd., Rm 116, Madison, WI 53703-3342

Septic permits

Public Health Madison & Dane County - Environmental Health (Well & Septic Program)

Issues well location permits and sanitary (septic) permits for private wells and septic systems in Dane County, and enforces mandatory triennial septic inspection and maintenance

608-242-6515

privatewellseptic@publichealthmdc.com

Roads & driveways

Dane County Highway Department

Issues permits to access or work within Dane County Trunk Highway right-of-way, and for oversize or overweight loads on county trunk highways

2302 Fish Hatchery Road, Madison, WI 53713-2495

Online permits →

Contact details are copied from each office’s official page and were checked against it on October 15, 2026.

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

A new one- or two-family home in Dane County needs a Uniform Dwelling Code permit, including a stick-built, modular or manufactured-home installation1. Wisconsin's UDC supplies the construction standards and inspection procedures, while commercial buildings and multifamily buildings with three or more units follow separate rules13. Construction may begin only after the plans are approved and the building permit is issued and posted14. For a home using private septic, the municipality cannot issue the building permit until the county sanitary permit is obtained6. Required inspections for a new home cover footings, foundation and foundation reinforcement, rough construction, insulation and the final stage; call the inspector named on the UDC permit1516. An owner who occupies or will occupy the home may take out the construction and erosion-control permits without a Dwelling Contractor Certification, but must still meet plan, inspection and code requirements717. New-home plumbing and electrical work generally still has to be done by licensed professionals18. Occupancy follows a final inspection with no major health or safety violations; some municipalities also issue occupancy permits19.

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

Dane County Planning & Development handles county zoning permits; a delegated municipality or Wisconsin DSPS issues the UDC building permit20. County zoning approval generally precedes the town building permit; ask the town clerk who serves the parcel, because most towns also require their own building permit after county zoning approval and some want site-plan approval first219. Madison, Stoughton, McFarland and Cambridge handle their own building permits22232425. Septic and well-location permits remain with Public Health Madison & Dane County, including inside cities and villages; call 608-242-6515 or email privatewellseptic@publichealthmdc.com4. Reach Dane County Zoning at (608) 266-4266 or zoning@danecounty.gov9. Residential county zoning permits cost $50 plus $0.10 per square foot, including porches, decks and basement areas; additional fees may apply26. Starting work before the permit is issued doubles the fee, and floor area for a new house is counted with basements and attached garages27. The zoning division also inspects the work against the permit28.

Does Dane County have zoning, and where does it apply?

Dane County zoning applies only in the unincorporated towns where the town board has adopted Chapter 10 of the county code; the current ordinance lists Berry, Blue Mounds, Bristol, Springfield, Sun Prairie and Westport as opted out, and areas under city or village extraterritorial zoning are excluded229. Where a town has adopted the ordinance, more restrictive county or town rules still apply30. Elsewhere in the county, cities and villages zone for themselves31. Madison, Waunakee, Stoughton, Windsor and Cambridge administer their own zoning3233343536. Public Health Madison & Dane County remains the septic-permit contact4. Start with the parcel's zoning-district fact sheet because permitted and conditional uses, lot standards and overlays vary by district37. For example, NR-C has no minimum lot size, while a newly created RE-1 lot must contain at least 15,000 square feet12. NR-C generally requires at least four feet at side and rear lot lines, although other districts and shoreland or floodplain rules may be stricter38. Building coverage is capped at 10% in NR-C and 15% in RE, while AT-B has no lot-coverage limit; height limits also vary by district and use394041. Development in the regulatory floodplain, including construction, grading and work on sewage or water facilities, requires a floodplain development permit42. No covered building or addition may be occupied until Dane County issues its zoning certificate of compliance, subject to the ordinance's agricultural exceptions43.

How do septic permits work in Dane County?

Dane County requires a sanitary permit to install, repair, modify, extend, enlarge, convert, reconnect or structurally alter a private sewage system6. Public Health Madison & Dane County directs applicants to obtain a soil evaluation from a licensed certified soil tester and a system design from a licensed professional, who submits the application4. A licensed master plumber or master restricted plumber must sign the application before installation44. The county, not the state, runs the program day to day, though work that needs a state sanitary permit stays subject to state rules45. Only about 6.9% of county land is rated without severe limitations for a conventional drain field, so make soil suitability a purchase contingency11. A building with required plumbing must connect when the local sanitary district finds public sewer available; private sewage systems are prohibited in designated Dane County floodplain areas4647. The county inspects private sewage and non-plumbing sanitary systems after construction but before backfilling48. Most septic systems also require inspection every three years4. A privy requires a county sanitary permit, and a structure served only by a privy cannot contain plumbing or connect to a water supply49.

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

We could not confirm a countywide rule allowing long-term RV occupancy, private-land camping or a separate tiny-home occupancy path in unincorporated Dane County. Dane County zoning applies in the towns that have adopted it, so ask Dane County Zoning, or the town if it has opted out, how the parcel's district treats the proposed vehicle or structure before buying or moving it onto the land29. A manufactured home used as a new dwelling falls under the Uniform Dwelling Code permit requirement, but its land use must still fit the parcel's zoning district5037. We also could not confirm one countywide minimum dwelling size; ask Dane County Zoning about the chosen district and the UDC permit issuer about the proposed home's code compliance913. If a tiny home is treated as a manufactured home, it counts as a single-family dwelling under county zoning, and each space in a manufactured home community must have at least 3,000 square feet51.

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

  1. Ask Dane County Zoning to confirm permitted use, lot size, setbacks, coverage and any shoreland or floodplain overlay3752.
  2. Ask the local sanitary district whether sewer is available; otherwise arrange the soil evaluation and sanitary permit with Public Health Madison & Dane County534.
  3. Obtain the county well-location permit before installing a private well or water system10.
  4. Obtain driveway approval from the town, county or state responsible for the road; a driveway longer than 125 feet also needs a Dane County Land and Water Resources erosion-control permit54. Driveway permit information goes in with the zoning application, and the town clerk handles town roads5556.
  5. Submit the plans, elevations and required agency information for county zoning review before work starts5728.
  6. After zoning approval, obtain and post the UDC permit from the delegated municipality or DSPS58.
  7. Schedule each construction-stage inspection before covering the work, then obtain the final inspection and required county zoning certificate of compliance before occupancy591943.

What to check before you buy land in Dane County, Wisconsin

Put septic suitability first: only about 6.9% of Dane County land is rated without severe limitations for a conventional drain field11. Confirm sewer availability and obtain a soil evaluation before fixing the house site534. Check the zoning map for the district and floodplain overlay because lot size, setbacks and coverage vary, and regulated floodplain development needs its own permit12383952. Ask Dane County Highway Department whether county-highway frontage is controlled access: new access points need approval, and a single-family access permit costs $1356061. Controlled-access spacing rules can constrain driveway placement; a change in use affecting safe access also needs review62. On general-access county highways, the county may issue access permits and lists a $100 single-family access fee63. If the purchase depends on splitting the tract, confirm the map or plat process before closing because county rules regulate divisions creating lots of 35 acres or less64. Budget separately for the UDC permit and the county zoning permit, whose residential fee starts at $50 plus $0.10 per square foot65.

Watch-outs

  • The UDC permit issuer depends on delegated authority, so ask the town clerk whether a municipality or DSPS serves the parcel589.
  • Private sewage systems are prohibited in designated Dane County floodplain areas, so a floodplain development permit alone does not establish septic eligibility4742.
  • We could not confirm a countywide rule allowing permanent RV or tiny-home occupancy; ask Dane County Zoning about the parcel's district and town before buying29.
  • Six towns (Berry, Blue Mounds, Bristol, Springfield, Sun Prairie and Westport) are listed as opted out of Dane County zoning, so a parcel there answers to the town's own rules2.

Sources

  1. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
  2. Dane County Zoning Ordinance (Ch. 10, Dane County Code), quoted and re-checked
  3. Chapter 10 Zoning Ordinance, quoted and re-checked
  4. Public Health Madison & Dane County - Environmental Health (Well & Septic Program) (publichealthmdc.com)
  5. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
  6. Chapter 46 Private Sewage System Ordinance and Health Ordinance, quoted and re-checked
  7. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
  8. Dane County Zoning Ordinance (Ch. 10, Dane County Code) (2026 county census)
  9. Dane County Zoning (danecountyplanning.com)
  10. Chapter 45 — Relating to Private Water Systems, quoted and re-checked
  11. 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
  12. Dane County Code Chapter 10: District dimensional standards, quoted and re-checked
  13. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
  14. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
  15. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
  16. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
  17. Instructions for Submitting a UDC Permit Application, quoted and re-checked
  18. Wisconsin DSPS - Building a Home in Wisconsin (UDC Guide) (2026 county census)
  19. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
  20. Permits & Licenses, quoted and re-checked
  21. Dane County Zoning Permits, quoted and re-checked
  22. Madison: Permits (Dane County), quoted and re-checked
  23. Stoughton: Planning & Development (Dane County), quoted and re-checked
  24. Village of McFarland: When is a Building Permit Required? (Dane County), quoted and re-checked
  25. Village of Cambridge: official source (Dane County), quoted and re-checked
  26. Dane County Zoning Permits, quoted and re-checked
  27. Dane County Code Chapter 12: Zoning Fees, quoted and re-checked
  28. Dane County Zoning Permits, quoted and re-checked
  29. Dane County Zoning Ordinance (Chapter 10), amended April 10, 2025, quoted and re-checked
  30. Chapter 10 Zoning Ordinance, quoted and re-checked
  31. Dane County Zoning Ordinance (Chapter 10), amended April 10, 2025, quoted and re-checked
  32. Madison: Development | Planning (Dane County), quoted and re-checked
  33. Village of Waunakee: Sec. 133-229. Height and area requirements, R-1 Single-Family Residential District (Dane County), quoted and re-checked
  34. Stoughton: Planning & Development (Dane County), quoted and re-checked
  35. Village of Windsor: Community Development (Dane County), quoted and re-checked
  36. Village of Cambridge: Plan Commission and Zoning (Dane County), quoted and re-checked
  37. Chapter 10 — Zoning, quoted and re-checked
  38. Dane County Code Chapter 10: District dimensional standards, quoted and re-checked
  39. Dane County Code Chapter 10: District dimensional standards, quoted and re-checked
  40. Chapter 10 — Zoning, quoted and re-checked
  41. Dane County Chapter 10 Zoning Ordinance, quoted and re-checked
  42. Chapter 17 Floodplain Zoning, quoted and re-checked
  43. Dane County Code Chapter 10: Zoning, quoted and re-checked
  44. Chapter 46 — Private Sewage System Ordinance and Health Ordinance, quoted and re-checked
  45. Chapter 46 — Private Sewage System Ordinance and Health Ordinance, quoted and re-checked
  46. Chapter 46 Private Sewage System Ordinance and Health Ordinance, quoted and re-checked
  47. Chapter 46 — Private Sewage System Ordinance and Health Ordinance, quoted and re-checked
  48. Chapter 46 Private Sewage System Ordinance and Health Ordinance, quoted and re-checked
  49. Dane County Code Chapter 46: Private Sewage System Ordinance and Health Ordinance, quoted and re-checked
  50. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
  51. Chapter 10 Zoning Ordinance, quoted and re-checked
  52. Floodplain Zoning, quoted and re-checked
  53. Dane County Code Chapter 46: Private Sewage System Ordinance and Health Ordinance, quoted and re-checked
  54. Dane County Zoning Permits, quoted and re-checked
  55. Dane County Zoning Permits, quoted and re-checked
  56. Dane County Zoning Permits, quoted and re-checked
  57. Dane County Zoning Permits, quoted and re-checked
  58. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
  59. Wisconsin’s Uniform Dwelling Code, quoted and re-checked
  60. Dane County Highway Department (highway.danecounty.gov)
  61. Chapter 79: County Trunk Highway Access Control, quoted and re-checked
  62. Highway Permit Applications, quoted and re-checked
  63. Chapter 79: County Trunk Highway Access Control, quoted and re-checked
  64. Chapter 75 Land Division and Subdivision Regulations, quoted and re-checked
  65. Dane County Zoning Permits, quoted and re-checked

Written October 15, 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, Dane County requires a building permit for a home.

RuleDane CountyGreen CountyRock CountyJefferson CountyColumbia CountyIowa CountySauk County
Building permitRequiredRequiredRequiredRequiredRequiredRequiredRequired
County zoningYesYesYesYesYesYesYes
Septic permitsCounty Dept. of Planning & DevelopmentCounty Land Use & Zoning Dept.County Public Health Dept.County Planning & Development Dept.County Planning & Zoning Dept.County Office of Planning & DevelopmentCounty Land Resources & Env. Dept.

County locator

Dane County in Wisconsin

52
County map
Dane County highlighted among the Wisconsin counties · colored by Index score

How Dane County scores

Seclusion22100% ev.
Self-Sufficiency59100% ev.
Admin Boringness44100% ev.
Durability76100% ev.
Property Autonomy70100% ev.
Carry Cost48100% 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 →

$477kTypical home
1.7%Property tax
$9,427Land / acre
37.3"Annual rain
4.4% of yrsSevere drought
1.8 / yr (+1.7)Mid-century 100°F days
13.8 daysMid-century dry spell
1.77" (+6.4%)Mid-century 1-day rain
1.71×Wildfire change factor
100%Forward climate coverage
$1,351Home insurance / yr
3% / yrInsurance growth
0.53%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
189,952People within 30 min
4,211,280People within 2 hr
262,583Radius comparison (15 mi)
480.9People / sq mi
1.1%Federal land
84.6%Land at 15% slope or less
6.9%Soils rated "not limited" for septic (strict USDA rating)
49,993 acWorkable land screen
24.1%Wooded land
46.9 tonsBiomass / forest ac
46.8°FAvg temp

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Cities and towns in Dane 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.

Not yet researched: Town of Albion · Town of Berry · Town of Black Earth · Village of Black Earth · Town of Blooming Grove · Town of Blue Mounds · Village of Blue Mounds · Town of Bristol · Town of Burke · Town of Christiana · Town of Cottage Grove · Village of Cottage Grove · Town of Cross Plains · Village of Cross Plains · Town of Dane · Village of Dane · Town of Deerfield · Village of Deerfield · Village of DeForest · Town of Dunkirk · Town of Dunn · Fitchburg · Village of Marshall · Town of Mazomanie · Village of Mazomanie · Town of Medina · Middleton · Town of Middleton · Town of Montrose · Town of Oregon · Village of Oregon · Town of Perry · Town of Pleasant Springs · Town of Primrose · Village of Rockdale · Town of Roxbury · Town of Rutland · Village of Shorewood Hills · Town of Springdale · Town of Springfield · Sun Prairie · Town of Sun Prairie · Town of Vermont · Verona · Town of Verona · Town of Vienna · Town of Westport · Town of York

Answers from the rulebook for Dane County

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

Dane County rules

  • Certificate of occupancyLimited

    County zoning certificate of compliance for buildings and additions in areas governed by Chapter 10.

    • No covered building or addition may be occupied until the certificate of compliance is issued.
    • Agricultural accessory buildings used exclusively for farming and certain agricultural vacant land are excepted.
    • Construction must be substantially complete and the premises inspected and certified as conforming.
    “No building or addition thereto, constructed after the effective date of this ordinance and no addition to a previously existing building shall be occupied”
  • County-wide zoningPresent (with conditions)

    Dane County zoning in portions of unincorporated Dane County where the associated town board has adopted Dane County Chapter 10.

    • Chapter 10 excludes areas under city or village extraterritorial zoning under Wis. Stat. 62.23(7a).
    • The ordinance applies only in portions of unincorporated Dane County where the associated town board adopted the chapter under Wis. Stat. 59.69(5).
    • The current ordinance lists Berry, Blue Mounds, Bristol, Springfield, Sun Prairie, and Westport as opted out.
    • Dane County zoning staff review and approve zoning permits for land-use development projects outside cities and villages in rural Dane County.
    • County zoning does not establish a single rule covering every unincorporated parcel; town adoption and ETZ jurisdiction determine applicability.
    “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.”
    2 more reviewed findings on this topic
    • Present (with conditions) — Dane County Chapter 10 zoning in unincorporated areas where the associated town board has adopted the county ordinance.
      “This chapter is applicable to all territory, except for areas under city or village extraterritorial zoning under s. 62.23(7a), Wis. Stats., 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. The following towns have adopted this ordinance as of the effective date listed below:”
    • Present (with conditions) — Dane County zoning in unincorporated areas where the associated town board has adopted Chapter 10.
      “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.”
  • Local zoningVaries (with conditions)

    Aggregate local zoning across Dane County towns, cities, and villages; the county ordinance applies in covered unincorporated areas, while incorporated and extraterritorial areas may be governed or enforced by municipal authorities.

    • Chapter 10 applies in unincorporated portions where the associated town board adopted it.
    • City or village extraterritorial zoning areas are excluded from the county chapter.
    • When an area subject to county zoning becomes part of a city or village, county regulations continue and are enforced by the city or village until changed by official municipal action.
    • More restrictive county or town ordinances continue to apply.
    “This chapter is applicable to all territory, except for areas under city or village extraterritorial zoning under s. 62.23(7a), Wis. Stats., 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. The following towns have adopted this ordinance as of the effective date listed below:”
    2 more reviewed findings on this topic
    • Varies (with conditions) — Aggregate of zoning in Dane County: county zoning applies in rural unincorporated areas, while Cities and Villages administer their own permitting and zoning jurisdictions.
      “The zoning division of the Dane County Planning and Development Department is responsible for reviewing and approving zoning permits for various land use development projects outside of the Cities and Villages in rural Dane County. [...] In addition to a County zoning permit, most Towns require buildings permits to be issued prior to development. Prior to obtaining a Town building permit you will need an approved zoning permit. Some Towns require prior approval before a zoning permit will be issued.”
    • Varies (with conditions) — Aggregate of zoning authority across Dane County towns, cities, and villages; the claim does not assert that Dane County administers every local ordinance.
      “1. Town of Albion: February 5, 2019 2. Town of Berry: Opted out. 3. Town of Black Earth: July 2, 2019. 4. Town of Blooming Grove: February 13, 2019 5. Town of Blue Mounds: Opted out. 6. Town of Bristol: Opted out.”
  • Zoning districtsPublished

    County zoning districts and district-specific permitted or conditional uses in rural unincorporated Dane County.

    • The county provides zoning district fact sheets and Chapter 10 ordinance materials.
    • Specific requirements vary by district and may be supplemented by shoreland or floodplain regulations.
    “Zoning District Fact Sheets contain helpful information about permitted and conditional uses in each district as well as regulations that must be followed for each district.”
  • Minimum lot sizeDistrict specific (with conditions)

    Lots governed by Dane County Chapter 10 zoning districts.

    • The standard varies by zoning district.
    • In the NR-C district, minimum lot size is none.
    • In the RE-1 district, newly created lots must be at least 15,000 square feet.

    minimum lot size: >= 15000 square feet (RE-1 zoning district) · minimum lot size: none (NR-C zoning district)

    “All lots created in the RE-1 zoning district must be at least 15,000 square feet in area.”
  • SetbacksDistrict specific (with conditions)

    Structures governed by Dane County Chapter 10 zoning districts.

    • In NR-C, parcels without road frontage require at least four feet from the access-side lot line, and side and rear yards require at least four feet.
    • Other districts and Chapters 11 or 17 may impose different or more restrictive setbacks.

    side setback: >= 4 feet (NR-C district) · rear setback: >= 4 feet (NR-C district)

    “Any permitted structures must be at least four feet from the side lot line.”
  • Lot coverageSpecified

    The AT-B Rural Mixed Use and Transitional zoning district.

    • The cited AT-B rule states there is no limitation on lot coverage in that district; other district or overlay rules may differ.
    “There is no limitation on lot coverage in the AT-B district.”
    One more reviewed finding on this topic
    • District specific (with conditions) — Buildings and accessory buildings governed by Dane County Chapter 10 zoning districts.
      “No building together with its accessory buildings shall occupy in excess of 10 percent (10%) of the area of a lot in the NR-C district.”
  • Building heightSpecified

    Buildings and structures governed by Dane County Chapter 10 zoning.

    • Height limits vary by zoning district, use, and overlay or special district.
    • Agricultural buildings in the cited FP-1 provision have no height limitation.
    • PUD height limits are specified for each particular PUD district.

    maximum building height: 35 feet (single-family residential dwelling in the cited district)

    “Single-family residential dwelling: 2.5 stories or 35 feet maximum.”
  • Tiny homesLimited

    A tiny home treated as a Dane County manufactured home or placed in a manufactured home community in covered unincorporated areas.

    • Dane County defines a manufactured home as a one-family residential dwelling fabricated off-site, bearing a HUD label or insignia, and built after June 14, 1976.
    • A manufactured home is considered a single-family dwelling under Chapter 10.
    • Manufactured home communities are subject to Wisconsin SPS 326 or its successor, with the more restrictive combination of regulations applying.
    • Each manufactured-home space must contain at least 3,000 square feet.
    • Spacing is generally at least 20 feet between manufactured homes, with a 10-foot exception for communities established on or before May 31, 1998; expansions after that date must comply with the 20-foot standard.
    • Spacing between manufactured homes and accessory buildings or structures must be at least five feet.
    • Road setbacks, off-street parking, landscaping, conditional-use approval, sanitary requirements, and building-code requirements may also apply.

    manufactured-home-community space size: >= 3000 square feet · spacing between manufactured homes: >= 20 feet (10 feet for communities established on or before May 31, 1998; post-May 31, 1998 expansions must comply with 20 feet) · spacing between manufactured homes and accessory buildings or structures: >= 5 feet

    “Manufactured home communities are also subject to the provisions of chapter SPC 326, Wis. Admin. Code, or its successor. The more restrictive combination of regulations shall apply. (b) Space size. Each space for the accommodation of a single manufactured home shall contain not less than 3,000 square feet of area. (c) Spacing between manufactured homes and other buildings. 1. Except as exempted below, there shall be at least 20 feet of spacing between manufactured homes.”
  • Who permits septicCounty (with conditions)

    Private sewage systems and POWTS in Dane County.

    • The county administers the ordinance under Wisconsin statutes and DSPS administrative rules.
    • State sanitary permits remain applicable where required.
    “The division shall administer the private sewage system ordinance in accordance with s. 145.20, Wis. Stats., and Ch. SPS 383, Wis. Admin. Code, and this chapter.”
  • Septic permitRequired

    Installation, repair, alteration, enlargement, extension, conversion, or reconnection of private sewage systems in Dane County.

    • A county sanitary permit is required for the enumerated POWTS and private on-site wastewater work.
    • A licensed master plumber or master restricted plumber must sign the application before installation.
    • A municipality may not issue a building permit for a new structure requiring a private sewage system until the sanitary permit is obtained.
    • Work requiring a state sanitary permit remains subject to state requirements.
    “A county sanitary permit shall be required”
    2 more reviewed findings on this topic
    • Required — Installation, repair, modification, extension, enlargement, conversion, reconnection, or structural alteration of a private sewage system.
      “No person shall install, repair, modify, extend, enlarge, convert, reconnect or structurally alter a private sewage system or any component thereof unless the owner of the property on which the private sewage system is located holds a valid sanitary permit.”
    • Required — Installation, repair, modification, extension, enlargement, conversion, reconnection, or structural alteration of a private sewage system in Dane County.
      “No person shall install, repair, modify, extend, enlarge, convert, reconnect or structurally alter a private sewage system or any component thereof”
  • Septic inspectionRequired

    Private sewage systems and non-plumbing sanitary systems in Dane County.

    • Inspection occurs after construction but before backfilling.
    • Notice must be given by 9:00 A.M. on the anticipated inspection day.
    • The plumber in charge or authorized journeyman plumber must be present.
    “The division shall inspect all private sewage systems and non-plumbing sanitary systems after construction but before backfilling”
    One more reviewed finding on this topic
  • Off-grid sanitationLimited

    Non-plumbing sanitation systems, including privies, in Dane County.

    • The system is regulated under Wisconsin Administrative Code chapter SPS 391.
    • Structures served solely by a privy may not contain plumbing or be connected to a water supply.
    • A county sanitary permit is required before installing a privy.
    “The property owner must obtain a county sanitary permit before installing any privy”
    One more reviewed finding on this topic
  • Well permitRequired

    Installation of a private well or private water system in Dane County.

    • The owner must hold a valid county well-location permit or notify the county administrator before construction under the ordinance's alternative arrangement.
    • The county acts at its authorized delegation level under Wisconsin private-water rules.
    “holds a valid well location permit issued by the county”
  • Mandatory utility hookupConditional

    Domestic sewage and sanitary wastewater service for buildings intended for human habitation or occupancy.

    • An approved treatment and disposal method is required.
    • If public sewer is available, the building must connect to public sewer.
    • Private sewage systems may be constructed when no public sewer is available.
    • The local sanitary district determines whether public sewer is available.
    “Every building that has or is required to have plumbing fixtures and that is intended for human habitation or occupancy shall be provided with an approved method of treatment and disposal of domestic sewage and sanitary wastewater. This may be through connection to a public sewer system, a private sewage system or other means approved by the division.”
    One more reviewed finding on this topic
  • Subdividing landRegulated (with conditions)

    Land divisions and subdivisions in unincorporated Dane County, subject to Chapter 75 jurisdiction and municipal/extraterritorial provisions.

    • A subdivision is five or more lots, parcels, or building sites of 35 acres each or less, including successive divisions within five years.
    • A land division is a division creating fewer than five lots, parcels, or building sites of 35 acres each or less, regardless of whether one or more 35-acre-or-larger sites are also created.
    • Extraterritorial plat approval jurisdiction may extend three miles from certain city limits or one and one-half miles from certain fourth-class city or village limits when statutory conditions apply.

    subdivision threshold: >= 5 lots/parcels/building sites (Each is 35 acres or less, or created by successive divisions within five years.) · successive-division period: 5 years

    “Subdivision. A division of a parcel of land where the act of division creates either: (a) Five or more lots, parcels or building sites of 35 acres each or less in area; or (b) Five or more lots, parcels or building sites of 35 acres each or less in area by successive divisions within a period of five years.”
  • Driveway accessRequired

    Projects requiring a Dane County zoning permit outside the Cities and Villages in rural, unincorporated Dane County.

    • A driveway permit is required from the applicable road authority: the Town for town roads, Dane County for county highways, or the State for state and federal highways.
    • For construction of a driveway more than 125 feet long, a separate erosion-control permit from Dane County Land and Water Resources is listed as required.
    • The page also lists erosion-control permits for construction within 1,000 feet of a lake, within 300 feet of a stream, or disturbing more than 4,000 square feet.
    • The page states that additional information may be required.

    driveway length triggering separate erosion-control permit: > 125 feet · construction distance from lake triggering separate erosion-control permit: <= 1000 feet · construction distance from stream triggering separate erosion-control permit: <= 300 feet · disturbed area triggering separate erosion-control permit: > 4000 square feet

    “The zoning division of the Dane County Planning and Development Department is responsible for reviewing and approving zoning permits for various land use development projects outside of the Cities and Villages in rural Dane County. [...] 4. Required permits/information from other agencies • Driveway permit from State, County or Town”
    5 more reviewed findings on this topic
    • Required — Development requiring county zoning-permit review in unincorporated Dane County.
      “Driveway permit from State, County or Town”
    • Required — Access to public rights-of-way for rural Dane County development.
      “Driveway permit from State, County or Town”
    • Required — New private driveway or road access points connecting to county trunk highways designated as controlled access highways under Dane County Code sections 79.05 or 79.06.
      “Permits shall be required for all new access points along a county trunk highway designated as a controlled access highway in section 79.05 or 79.06.”
    • Limited — Connections, including private driveway or road connections, to Dane County general access highways.
      “The department is authorized to issue access permits for connections to general access highways. While such access is of right for adjacent landowners, there are costs that accrue to the county in overseeing the construction of such connections in order to assure conformity with highway engineering requirements and to minimize adverse impact on highway travel.”
    • Required — New access points, private driveways, and street or highway connections to county trunk highways designated as controlled-access highways under Dane County Code §§79.05 or 79.06.
      “Permits shall be required for all new access points along a county trunk highway designated as a controlled access highway”
  • Building in a floodplainRequired

    Structures and uses within areas regulated by Dane County Chapter 17 floodplain zoning.

    • The ordinance applies to mapped special flood hazard areas and additional DNR- and county-approved mapped areas.
    • All applicable local, state, and federal regulations also apply.
    • Failure to obtain a floodplain development permit is a violation.
    • More restrictive ordinances remain effective.
    “Failure to obtain a floodplain development permit shall be a violation”
    One more reviewed finding on this topic
    • Required — Development in the regulatory floodplain, including Zone A and Zone AE areas, in rural Dane County.
      “requires a floodplain development permit”
  • Permit feesPublished (with conditions)

    Dane County zoning permits and related reviews.

    • New single-family, duplex, and mobile-home residences are charged $50 plus $0.10 per square foot of floor area.
    • Late filing doubles the fee when work begins before a permit is obtained.
    • Other fees apply for commercial, multifamily, conditional-use, variance, appeal, certificate, floodplain-status, and other reviews.

    new single-family, duplex, or mobile-home zoning permit base fee: 50 USD (plus $0.10 per square foot of floor area) · new single-family, duplex, or mobile-home zoning permit floor-area fee: 0.1 USD per square foot (including basements and attached garages)

    “the fee shall be $50.00 plus $0.10 for each square foot of floor area, including basements and attached garages.”
    2 more reviewed findings on this topic
    • Published (with conditions) — Dane County zoning permits and selected zoning applications.
      “Fee - $50.00 base fee and $0.10 per square foot including porches, decks and all basement areas for residential projects; $250 base fee and $2.00 per $1000.00 of overall cost for commercial/industrial projects. Additional fees may apply.”
    • Published (with conditions) — Dane County zoning permits for rural residential, commercial, and industrial projects.
      “Fee - $50.00 base fee and $0.10 per square foot including porches, decks and all basement areas for residential projects; $250 base fee and $2.00 per $1000.00 of overall cost for commercial/industrial projects. Additional fees may apply.”
  • Permit processPublished (with conditions)

    Zoning, land-use, and development permit process in Dane County.

    • Planning & Development manages county zoning and development permits.
    • UDC permits for one- and two-family dwellings may be submitted to a delegated municipality or DSPS.
    “Planning & Development manages zoning and development permits for land use changes and new construction and improvements in Dane County, Wisconsin.”
    2 more reviewed findings on this topic
    • Published (with conditions) — County zoning-permit process for development and construction projects in applicable unincorporated areas.
      “before beginning any of the above-described projects.”
    • Published (with conditions) — County zoning-permit applications for development outside Dane County cities and villages.
      “You must apply for a zoning permit from the County zoning office before beginning any of the above-described projects. Once a permit has been issued, you may begin work immediately. Dane County inspects your project to make sure that construction takes place according to the permit.”

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.”
    4 more reviewed findings on this topic
  • 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.”
    3 more reviewed findings on this topic
    • Available (with conditions) — An owner who currently occupies or will occupy the UDC home after completion.
      “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.”
    • Conditional — An owner-occupant applying for a Wisconsin UDC construction or erosion-control permit.
      “without a Dwelling Contractor Certification”
    • Available (with conditions) — Owner-occupant applicants for Wisconsin UDC erosion-control or construction permits in Dane County.
      “Only check this box if the permit is being issued to the property owner who will occupy the home upon completion of construction.”
  • 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”
    5 more reviewed findings on this topic
    • Adopted (with conditions) — New one- and two-family dwelling units in Dane County, including stick-built, modular, and manufactured-home installations.
      “The program governing one- and two-family dwelling units (including manufactured homes) is also called the UDC program, referring to the Uniform Dwelling Code. Enforces construction standards and inspection procedures including evaluation of building materials.”
    • Adopted (with conditions) — Wisconsin Uniform Dwelling Code for one- and two-family dwellings, including manufactured homes, in Dane County.
      “The program governing one- and two-family dwelling units (including manufactured homes) is also called the UDC program, referring to the Uniform Dwelling Code.”
    • 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.”
    3 more reviewed findings on this topic
    • Required — UDC-covered one- and two-family dwelling construction.
      “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.”
    • Required — New one- and two-family dwellings.
      “The following inspections are required on new one- and two-family dwellings. When ready for inspection, notify the inspector identified on your UDC permit.”
    • Required — New one- and two-family dwellings in Dane County under the UDC.
      “The following inspections are required on new one- and two-family dwellings.”
  • Manufactured homesAllowed (with conditions)

    Occupancy of a manufactured home installed as a new one- or two-family dwelling in Wisconsin.

    • The Uniform Dwelling Code applies to new one- and two-family dwellings built since June 1, 1980.
    • The UDC includes manufactured homes and the installation of manufactured homes produced on or after April 1, 2007.
    • Occupancy follows a final inspection in which no major health or safety violations are found.
    • Some municipalities issue occupancy permits.
    • The dwelling exterior must be completed within two years after permit issuance.
    • Local sanitary requirements may require certain plumbing systems.
    • Local zoning and land-use requirements may also apply.

    UDC coverage start date: >= 1980-06-01 date (The cited coverage is for new one- and two-family dwellings and their additions and alterations.) · manufactured-home installation coverage start date: >= 2007-04-01 date · exterior completion deadline: <= 2 years after permit issuance

    “The installation of manufactured homes produced on or after April 1, 2007.”
  • 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.”
  • Short-term rentalsLimited

    Lodging rented to tourists or transients for short periods in Wisconsin, including homes, condos, cabins, cottages, and similar lodging facilities.

    • A DATCP lodging permit is required for all lodging facilities in Wisconsin.
    • A tourist or transient must be away from the person's permanent address.
    • The reviewed source does not establish local zoning or municipal operating restrictions.
    “If lodging is rented to a tourist or transient, it will require a permit.”
  • 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 Dane 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.

  • Minimum dwelling size
  • Living in an RV
  • Camping on your land
  • 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 Dane County, Wisconsin

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

Dane County scores 52/100 on the Bolthole Index, a solid county profile. Its strengths: 36 operating mines and a stronger property-autonomy legal backdrop. Watch-outs: about 189,952 people within a 30-minute drive.

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

Dane County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Dane County Department of Planning & Development. 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.

How much does land cost in Dane County, Wisconsin?

Land in Dane County runs about $9,427 per acre, based on the latest county data.

What is the water situation in Dane County?

Dane County gets about 37.3" of rain a year, with severe drought in roughly 4.4% of years.

How remote is Dane County?

A representative private-land location has about 189,952 people within a 30-minute drive and 4,211,280 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 Dane compares in Wisconsin

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