Bolthole Index

Dane County, Wisconsin

Building permits, zoning and land rules in Madison, Wisconsin

Madison, Wisconsin requires a building permit for a new single-family home or duplex, and the City administers zoning inside city limits.12 Public Health Madison & Dane County issues sanitary permits for private septic systems.3 Madison Water Utility also requires permits for all private wells, so a private well does not remove city oversight.4

At a glance

Building permits
Required for new single-family homes and duplexes1
Zoning
City zoning; standards depend on the district25
Private septic
Sanitary permits through Public Health Madison & Dane County3
RV living
Floodfringe restrictions apply; ask City Zoning about occupancy elsewhere6
Owner-builder
Owners who occupy their home can apply for all permits; code compliance still applies7
Private wells
Water Utility permit plus health-office location and DNR construction permits for a new well4

Who to call

Building permits

City of Madison Building Inspection

Building plan review, building permits and construction inspections

608-266-4551

[email protected]

Zoning

City of Madison Zoning

Zoning district interpretation and new-house site plan review

608-266-4551 ext. 3

[email protected]

Septic permits

Public Health Madison & Dane County — Well & Septic Program

Private septic sanitary permits, soil/design review and well location permits

608-242-6515

[email protected]

Well permits

Madison Water Utility — Water Quality

Private well operation permits and municipal water connection requirements

(608) 266-4654

Contact details are copied from each office’s official page and were checked against it on October 11, 2026.

Off-grid gear

Going off-grid in Madison means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Madison, WI?

Madison requires a building permit for new single-family homes and duplexes; the City’s project table also distinguishes work that needs other approvals or no building permit.1 Madison owners who own and occupy their home may apply for all permits, but that application allowance does not waive building-code compliance; licensed professionals must apply if the owner does not occupy the home.7 Madison publishes building-inspection fees by project type, with minimum charges and possible additional state seal or plan-review fees.8

Who handles Madison building permits and zoning review?

City of Madison Building Inspection is the starting point for building plan review and construction inspections; call 608-266-4551 or email [email protected] for general assistance.9 Madison’s building plan-review and zoning counters require appointments.9 For a new house, schedule City Zoning’s site-plan review before submitting building plans, and include elevation drawings so staff can review building height.10 Contact City Zoning at 608-266-4551 ext. 3 or [email protected] for the parcel’s zoning requirements.10

Does Madison have zoning, lot coverage and setback rules?

Madison administers its own zoning ordinance, which establishes permitted and conditional uses inside city limits.2 Madison’s zoning districts include residential, mixed-use, downtown, employment, special, overlay and historic-district categories; individual district regulations appear in the City zoning code.5 For a single-family detached dwelling in SR-C1, maximum lot coverage is 50%, distinct from building coverage.11 Madison’s setback requirements depend on the property’s zoning district, and Planned Development parcels require an inquiry to City Zoning for their specific standards.10 We could not confirm a general minimum dwelling floor area or an agricultural building-permit exemption in Madison; ask City Zoning and Building Inspection before designing a tiny home or farm building.109

How do private septic permits work inside Madison?

Public Health Madison & Dane County issues sanitary permits for installing or replacing a private septic system.3 For a Madison parcel using private septic, arrange a soil evaluation by a licensed certified soil tester, obtain a system design from a licensed professional, and have that professional submit the sanitary permit application to Public Health.3 Most private septic systems in Madison require inspection every 3 years, with more frequent service for some systems.12 City building approval and private-septic approval therefore involve separate offices: Building Inspection for the home and Public Health for the private wastewater system.13

Can you live in an RV or tiny home on Madison land?

Madison’s floodfringe rule requires mobile recreational vehicles to remain on site for less than 180 consecutive days and imposes highway-readiness or elevation-and-anchoring conditions.6 That floodfringe provision does not establish a general right to live in an RV elsewhere in Madison; ask City Zoning about residential occupancy on the specific parcel.610 We could not confirm a citywide tiny-home occupancy rule or minimum dwelling floor area; bring the proposed use and building design to City Zoning and Building Inspection before committing to a purchase.109

What are the steps to build a home in Madison?

  1. Confirm the Madison zoning district and ask City Zoning for setbacks and any Planned Development conditions.10
  2. Arrange a zoning appointment to review the site plan and elevation drawings.10
  3. Submit building and site plans to Madison Building Inspection; after approval and fee payment, the City issues the building permit.10
  4. If the property uses private septic, have a licensed professional submit the sanitary permit application to Public Health Madison & Dane County.3
  5. Schedule required construction inspections with Building Inspection; permit closure follows approved final inspections, and the City treats the project as complete when it issues a certificate of occupancy.910

What should you check before buying land in Madison?

Madison Water Utility requires all private wells to be permitted, while a new private well also requires a Public Health well-location permit and a DNR well-construction permit.4 Madison residential buildings must connect to municipal water; buildings served by a private well must connect within 90 days of sale or transfer, and well-operation permits do not transfer with ownership.13 Madison floodplain development requires a zoning certificate before covered work begins, and driveways require City approval.1415 For land outside Madison city limits, consult the Dane County guide: county zoning applies in covered unincorporated areas where the town adopted the county ordinance.16

Watch-outs

  • Madison’s floodfringe RV duration rule does not answer general RV residential occupancy; ask City Zoning about the parcel.610
  • A Madison property with a private well can trigger municipal water connection within 90 days of sale or transfer.13
  • Madison Planned Development parcels need parcel-specific setback information from City Zoning.10

Sources

  1. Permits (Madison), quoted and re-checked
  2. Development | Planning (Madison), quoted and re-checked
  3. Public Health Madison & Dane County — Well & Septic Program (publichealthmdc.com)
  4. Information for New Well Owners (Madison), quoted and re-checked
  5. Zoning Districts (Madison), quoted and re-checked
  6. 21.17 - Standards for development in the Floodfringe (Madison), quoted and re-checked
  7. cityofmadison.com (Madison), quoted and re-checked
  8. Building Inspection Fees (Madison), quoted and re-checked
  9. City of Madison Building Inspection (cityofmadison.com)
  10. City of Madison Zoning (cityofmadison.com)
  11. cityofmadison.com (Madison), quoted and re-checked
  12. Private Wells & Septic Systems — maintenance (Madison), quoted and re-checked
  13. Madison Water Utility — Water Quality (cityofmadison.com)
  14. library.municode.com (Madison), quoted and re-checked
  15. Permits (Madison), quoted and re-checked
  16. Dane County Zoning Ordinance (Ch. 10, Dane County Code), quoted and re-checked

Written October 11, 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.

Answers from the rulebook for Madison

Madison’s own rules

  • Building permitRequired

    New one- and two-family residential construction in Madison.

    • The City permit table also identifies projects that do not require permits or require other approvals.
    “House (One and Two Family) - New Construction | Yes”
  • Owner-builder exemptionConditional

    Permit application for an owner-occupied home in Madison.

    • If the owner does not occupy the home, licensed professionals must apply.
    • This is an owner application rule, not an exemption from building-code compliance.
    “If you own and occupy your home, you can apply for all permits.”
  • Local zoningPresent

    Land inside Madison city limits.

    • The City administers its zoning ordinance and zoning districts.
    “The City’s Zoning Ordinance establishes permitted uses and conditional uses.”
  • Zoning districtsPublished

    Madison city zoning districts.

    • Individual district regulations are in Chapter 28 of the Madison Code of Ordinances.
    • The published list includes residential, mixed-use, downtown, employment, special, overlay, and historic-district categories.
    “This page lists the current zoning district types in the City of Madison.”
  • Lot coverageSpecified

    SR-C1 Suburban Residential–Consistent 1 district, single-family detached dwellings.

    • The table distinguishes maximum lot coverage from maximum building coverage.

    maximum lot coverage: <= 50 percent

    “Maximum lot coverage | 50% | 50% | 50% | 60%”
  • Building heightSpecified

    SR-C1 Suburban Residential–Consistent 1 district, single-family detached dwellings.

    maximum height: 2 stories/35 ft

    “Maximum height | 2 stories/35 | 2 stories/35 | 2 stories/35 | 35”
  • Living in an RVLimited

    Mobile recreational vehicles in Madison floodfringe districts.

    • Vehicles must be on site less than 180 consecutive days.
    • They must be fully licensed and ready for highway use, or meet specified elevation and anchoring requirements.
    • A mobile recreational vehicle is ready for highway use only when it meets the ordinance definition.

    maximum continuous site duration: < 180 days

    “All mobile recreational vehicles must be on site for less than one hundred and eighty (180) consecutive days”
  • Septic inspectionRequired

    Most private septic systems in Madison.

    • State and county law requires inspection every three years for most systems.
    • Some systems require more frequent service.

    inspection frequency: 3 years (most systems)

    “State and county law requires an inspection every three years for most systems.”
  • Well permitRequired

    Private wells inside Madison city limits.

    • All wells must be permitted through Madison Water Utility.
    • Before building a well, Public Health Madison & Dane County also requires a well location permit.
    • A Wisconsin DNR well-construction permit is additionally required.
    “All wells, regardless of how they are used or maintained, must be permitted through the water utility.”
  • Driveway accessRequired

    Driveways and residential drive openings in Madison.

    • Residential drive openings for one- or two-family residential properties with fewer than four stalls require a Street Terrace Permit or Permit to Excavate in the Right of Way.
    • The general permit table lists Driveway as requiring a permit.
    “Drive Opening, Residential - constructing or replacing (1-2 Family Residential with less than 4 stalls) Obtain: Street Terrace Permit or Permit to Excavate in the Right of Way | Yes | Engineering: 608-266-4537”
  • Building in a floodplainRequired

    Development, repair, modification, addition, or change of use in Madison floodplain districts.

    • A zoning certificate must be obtained before development, repair, modification, addition, or change in use, including sewer and water facilities.
    • Additional district-specific floodway/floodfringe standards apply.
    “A zoning certificate shall be obtained as provided under subsection 21.23 (2) before any development”
  • Permit feesPublished (with conditions)

    Madison building-inspection and related permit fees.

    • State seal and state plan-review fees may also apply.
    • The City publishes fees by project type and may use minimum fees.

    zoning review fee: 0.03 USD per sq ft (minimum $25) · certificate of occupancy first certificate: 10 USD · certificate of occupancy additional certificate: 150 USD

    “Certificate of Occupancy | $10.00 first certificate $150.00 each additional certificate”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Madison or Dane County directly.

  • Minimum dwelling size — Minimum dwelling size in Madison residential and agricultural districts.
  • Agricultural exemption — Agricultural uses and construction in Madison's A Agricultural zoning district.

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Madison publishes no rule on the point, not that none exists. Dane County’s page lists the county offices to call.

← All of Dane County: county rules, score and offices