Zoning, building permits and septic rules in Hampshire Township, Illinois

Rules another office applies inside Hampshire Township

Hampshire Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

• Building permitRequired

  New construction, remodel, repair or demolition on unincorporated land inside Hampshire township

  • Applies to unincorporated properties; parcels inside the Village of Hampshire are governed by village permits.
  • The county B&Z page lists the permit-type references in its document library, which were not opened.

  “building permits are required for all new construction, remodel, repair or demolition projects on properties in unincorporated kane county.”

• Building code adoptedAdopted (with conditions)

  Building codes adopted by Kane County that apply to the unincorporated portion of Hampshire township; does not apply inside the Village of Hampshire, which has its own code

  • The county page says amendments to these codes may apply in some cases, so the county code must be checked.
  • The page lists 2021 International Residential Code, 2021 International Building Code, 2021 International Existing Building Code, 2021 International Mechanical Code, 2020 National Electrical Code, 2024 Illinois Energy Conservation Code, 2014 Illinois State Plumbing Code and 2018 Illinois Accessibility Code.

  “kane county has adopted the following building codes: 2021 international residential code, 2021 international building code,, 021 international existing building code, 2021 international mechanical code, 2020 national electric code, 2024 illinois energy conservation code, 2014 illinois state plumbing code, 2018 illinois accessibility code. please also refer to the kane county code, as amendments to these codes may apply in some cases.”

• Septic permitRequired

  New septic systems or repairs/upgrades of existing systems on land inside Hampshire township not served by public sewer

  • A soil evaluation is required with every application for a new system or a renovation involving the septic field.
  • Applications are submitted to the Kane County Health Department (Aurora or Elgin office).
  • Pool installations near septic may need health department approval with a $65.00 payment.

  public sewer access pipe length threshold: > 4 inch (or creates an undue hardship; if access requires more than a 4-inch pipe or hardship exists, connection is not required and documentation goes with the septic permit)

  “a soil evaluation (formerly called a perc test) is required with every application for a new system or a renovation involving the septic field.”

• Septic inspectionLimited

  Septic inspections on land inside Hampshire township

  • The health department does not perform septic inspections for home sales or mortgage transactions.
  • Private sewage/septic inspections are requested through the health department by phone.

  “the health department does not do septic inspections for home sales/mortgage transactions.”

• Off-grid sanitationLimited

  On-site septic sanitation on land inside Hampshire township not connected to public sewer

  • On-site systems are allowed only with a health department permit and a licensed septic contractor.
  • A new system requires a soil evaluation; alternative systems such as aerobic treatment units may be required where soil is unsuitable.
  • Required public sewer connection applies where access exists (see sewer claim).

  “all septic work requiring a permit must be completed by a licensed septic contractor”

• Well permitRequired

  New or modified water wells on land inside Hampshire township

  • The well permit list includes construct or deepen a well, well inspection, and well sealing.
  • Well contractors must provide coliform test results to the health department within 30 days of completion.

  well test results submission deadline: 30 days (after completion of the well, by the licensed well contractor)

  “new and modified water wells permitted in kane county must be tested for coliform. your licensed well contractor is required to provide these test results to kchd within 30 days of completion of the well.”

• Mandatory utility hookupSewer (with conditions)

  A new home on land inside Hampshire township where public sewer is accessible

  • Connection is required unless access to public sewer requires more than a 4-inch pipe or creates an undue hardship.
  • If access is close but a hardship exists, documentation must be given to the health department with the septic permit application.
  • This rule comes from the Kane County Health Department; the Village of Hampshire sewer rules may govern parcels inside village limits.

  public sewer access pipe length threshold: > 4 inch (or creates an undue hardship)

  “unless access to public sewer requires more than a 4-inch pipe or creates an undue hardship, you will need to connect to public sewer.”

• Permit processPartial

  Building permit application for new construction or remodel on unincorporated land inside Hampshire township

  • Application is made on the current year's Kane County building permit application and submitted through the county's electronic web portal.
  • Payment is due after the permit is approved.
  • Septic and well permits go through the health department, not the building division.

  “to apply for a building permit, please fill out the 2026 building permit application and then submit your application and any additional required documents via the electronic kane county web portal.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Hampshire Township or Kane County directly.

• Owner-builder exemption — Owner-builder permitting on unincorporated land inside Hampshire township
• Certificate of occupancy — Certificate of occupancy for new homes on unincorporated land inside Hampshire township
• Local zoning — Land inside Hampshire township (Kane County, IL) outside the Village of Hampshire limits
• Zoning districts — Zoning districts applying to unincorporated land inside Hampshire township
• Minimum dwelling size — Minimum dwelling size for a single-family home on unincorporated land inside Hampshire township

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.

Off-grid gear

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

• Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
• Power Bluetti Solar generators and home battery backup for living off the grid.
• Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
• Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.

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