Zoning, building permits and septic rules in Village of Sussex, Wisconsin

Village of Sussex’s own rules

• Building permitRequired

  New buildings, additions and alterations inside the Village of Sussex

  • Separate electrical, plumbing and HVAC permits may also be needed
  • Starting before permits are issued can result in double fees and/or fines
  • Applications can take up to 10 business days to be reviewed

  “building permits are required to construct any new building, add to an existing building, for exterior alterations, and interior alterations.”

• Building code adoptedAdopted

  Construction inside the Village of Sussex

  • Village code Chapter 15 is titled building, electrical and plumbing code; its text was not opened
  • New one- and two-family homes also use the state Uniform Dwelling Code permit filed through DSPS

  “chapter 14 - stormwater management chapter 15 - building electrical and plumbing code chapter 16 - cemeteries”

• InspectionsRequired

  Permitted construction inside the Village of Sussex

  • Inspections need at least 24 hours notice; call 262-246-5212
  • Inspections run Monday to Thursday 9 a.m. to 3 p.m.

  “inspections are made at various stages of construction for compliance with the zoning ordinance, building, plumbing and electrical codes.”

• Local zoningPresent

  Land inside the Village of Sussex (Waukesha County), which has a Chapter 17 zoning ordinance

  • Chapter 17 is divided into sub-chapters 17.0100 through 17.1500 plus Appendix A
  • Zoning text itself was not opened; existence is shown by the code index

  “chapter 17.0400 - zoning districts chapter 17.0500 - conditional uses chapter 17.0600 - traffic, loading, parking, access, storage and lighting”

• Subdividing landRegulated (with conditions)

  Land division inside the Village of Sussex

  • Chapter 18 text not opened; thresholds and process not captured

  “chapter 17 - appendix a chapter 18 - land division and development chapters 19 - 23 - reserved for future use”

• Driveway accessRequired

  Driveways and parking pads inside the Village of Sussex

  • Listed among common projects requiring a permit; the list is not exhaustive

  “furnace & a/c replacements, dishwaters, water heaters driveways and parking bays/pads”

• Permit feesPublished

  Building permit fees inside the Village of Sussex

  • Fee schedule is a linked document; amounts were not read
  • Starting work before permits can bring double fees

  “building information sheets 2026 building fee schedule addition - alteration info decks driveway spec sheets”

• Permit processPublished

  Building permit applications inside the Village of Sussex

  • New one- and two-family home permits must also be filed with DSPS through ESLA
  • New-construction permits still go in on paper per the building page

  “permit applications can be submitted through our online portal, in person at the civic center, via mail, using the drop box inside in the front doors of the civic center, or you may email.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Village of Sussex or Waukesha County directly.

• Owner-builder exemption — Owner-builders inside the Village of Sussex
• Certificate of occupancy — Occupancy of new buildings inside the Village of Sussex
• Minimum dwelling size — Main single-family residential district in the Village of Sussex
• Minimum lot size — Main single-family residential district in the Village of Sussex
• Setbacks — Main single-family residential district in the Village of Sussex

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.