Bolthole Index

Will County, Illinois

Zoning, building permits and septic rules in Du Page Township, Illinois

Du Page Township is a township in Will County, Illinois. Septic permits inside Du Page Township come from Will County (Will County Health Department — Private Sewage Program (Joliet Main Office) · 815-727-8490). 6 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 Du Page Township

Rules another office applies inside Du Page Township

Du Page 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

    Buildings and water supply/sewage disposal installations in Du Page township (Will County, IL) located outside the limits of cities, villages and incorporated towns

    • Permit must be obtained in advance, before construction, and all other building ordinance requirements must be complied with.
    • Exception: manufacturing facilities - construction of process components does not require a building permit; occupied buildings in manufacturing facilities do (section 150.002(a)(1)).
    • Plumbing or electrical work requires a permit (section 150.003(a)).
    • No building permit may be issued for a lot that does not conform with the zoning ordinance, Illinois Compiled Statutes chapter 765, or Will County Health Department sewage and water requirements (section 150.002(c)).
    “a permit must be obtained in advance and all other requirements of the building ordinance must be complied with whenever a building or parts of appurtenance thereof, such as water supply, sewage disposal, plumbing installation, electrical installation and heating equipment located outside the limits of cities, villages and incorporated towns of this county”
  • Building code adoptedAdopted

    Construction in Du Page township (Will County, IL) outside the limits of cities, villages and incorporated towns, where the Will County building code applies

    • Applies outside the limits of cities, villages and incorporated towns of Will County; incorporated areas of Du Page township follow their own municipal codes (not checked).
    • Chapter 150 also adopts rules and standards by reference from previously published books or pamphlets (section 150.004; contents not opened).
    “this ordinance, including the rules and regulations it adopts by reference, is entitled the "will county building ordinance".”
  • Who permits septicCounty (with conditions)

    Private sewage (septic) systems on land inside Du Page township (Will County, IL) where no public sewer applies

    • The Will County Health Department Environmental Health Private Sewage Program oversees wastewater treatment systems.
    • Chapter 150 requires building permits for sewage disposal systems outside incorporated municipalities and ties permits to Will County Health Department sewage requirements.
    • The Monee municipal sewer code referenced in search is a municipal rule for Monee and was not applied here.
    • Whether a specific Du Page township parcel is served by a health department service area or a municipality was not verified.
    “the will county health department environmental health division provides inspections of water wells, waste water treatment systems and non-community public water supplies.”
  • Septic permitRequired

    Sewage disposal systems for a home inside Du Page township (Will County, IL) outside incorporated municipalities

    • A building permit must be obtained in advance for sewage disposal, per Chapter 150 section 150.002(a); the Will County Health Department sewage requirements also apply per section 150.002(c).
    • Permit fees and the Health Department's own permit application were not opened.
    “no building permit as required by this ordinance shall be issued for a building to be constructed on any lot, piece, parcel or tract of land that does not conform with provisions of chapter 765 illinois compiled statutes and requirements of the will county health department or other applicable agencies concerning sewage disposal and water supply”
  • Well permitRequired

    Water supply (private well) installations for a home inside Du Page township (Will County, IL) outside incorporated municipalities

    • Permit must be obtained in advance for water supply installations outside cities, villages and incorporated towns (section 150.002(a)).
    • The Will County Health Department Safe Drinking Water program inspects new private well construction.
    “a permit must be obtained in advance and all other requirements of the building ordinance must be complied with whenever a building or parts of appurtenance thereof, such as water supply, sewage disposal”
  • Agricultural exemptionConditional

    Agricultural exemption from the Will County building permit fee and permit requirements for land inside Du Page township (Will County, IL) outside incorporated municipalities

    • Agricultural exemptions are set out in the Will County zoning ordinance, section 150-1.50(a), which was not opened, so the exact qualifying conditions are unverified.
    • Qualified farmers may work on their own agricultural and personal use structures on personally owned property to the satisfaction of the building division (section 150.003(b)).
    • Plumbing and electrical work still requires a permit under section 150.003(a).
    “(no fee permit) see agricultural exemptions in the will county zoning ordinance (150-1.50 (a)). any plumbing or electrical herein will require a permit.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder permit exemption for a home in Du Page township (Will County, IL)
  • Inspections — Building inspections for new homes in Du Page township (Will County, IL) outside incorporated municipalities
  • Certificate of occupancy — Certificate of occupancy for new homes in Du Page township (Will County, IL) outside incorporated municipalities
  • Local zoning — Land inside Du Page township (Will County, IL) outside incorporated municipalities: whether Du Page township itself adopts and administers a zoning ordinance
  • Zoning districts — Zoning districts for land inside Du Page township (Will County, IL) outside incorporated municipalities
17 more unanswered
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic inspection
  • Off-grid sanitation
  • Mandatory utility hookup
  • Subdividing land
  • Driveway access
  • 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 Du Page 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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