Bolthole Index

Will County, Illinois

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

Will Township is a township in Will County, Illinois. Septic permits inside Will Township come from Will County (Will County Health Department — Private Sewage Program (Joliet Main Office) · 815-727-8490). 3 rules below are quoted from official sources and independently re-checked, most recently on October 30, 2026. Rules for unincorporated land are on the Will County page.

Answers from the rulebook for Will Township

Rules another office applies inside Will Township

Will 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 code adoptedAdopted

    Building codes for new construction on unincorporated land inside Will township, administered by the Will County Land Use Department Building Division

    • Press release says the codes are updated every six years; the exact edition year and adopting ordinance were not confirmed on an official page.
    • Press release says only permits applied on or after January 1 of the update year must follow the code changes.
    • Applies only to unincorporated parcels; cities and villages issue their own permits.
    “the new year brings newly updated building codes from the will county land use department.”
  • Who permits septicCounty (with conditions)

    Private sewage (septic) systems on land inside Will township, through the Will County Health Department Environmental Health Division

    • The health page is copyright 2020 and its office listings are dated; confirm current status before relying on it.
    • The page does not state a Will township boundary; applies to the county program area.
    “the private sewage program assures proper installation of wastewater treatment systems that are in line with all codes and issued permits.”
  • Permit processPublished

    Building permit application and plan requirements for unincorporated land inside Will township

    • Requirements listed on the application (plats, site plans, sealed plans, copies); the zoning compliance review step is described on the county zoning page.
    “a site plan is required for all site work and construction activities except for an activity that meets one of the exemptions listed in section 500.1 of the water resource ordinance.”

Still unanswered

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

  • Inspections — Building inspections for new homes inside Will township
  • Certificate of occupancy — Certificate of occupancy for new homes inside Will township
  • Local zoning — Whether Will township itself adopts and administers a zoning ordinance for land inside its limits
  • Minimum dwelling size — Minimum dwelling size inside Will township
  • Minimum lot size — Minimum lot size for the main single-family residential district (R-1 in county Chapter 155, if it applies) and the agricultural district (A-1) inside Will township
19 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees

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 Will Township publishes no rule on the point, not that none exists. Will County’s page lists the county offices to call.

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