Bolthole Index

Will County, Illinois

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

Crete Township is a township in Will County, Illinois. Septic permits inside Crete Township come from Will County (Will County Health Department — Private Sewage Program (Joliet Main Office) · 815-727-8490). 11 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 Crete Township

Rules another office applies inside Crete Township

Crete 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 related water supply, sewage disposal, plumbing, electrical and heating work located outside the limits of cities, villages and incorporated towns in Will County, which includes unincorporated land in Crete township (not the Village of Crete).

    • Construction may proceed only after the permit is issued in advance.
    • Building permits are issued under the Will County building ordinance (Chapter 150), not by Crete township.
    • Permit applicants must comply with the Chapter 150 building ordinance in addition to zoning and health requirements.
    “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”
  • Owner-builder exemptionConditional

    Owner-performed electrical work on the owner's own residence outside incorporated cities, villages and towns in Will County, including unincorporated land in Crete township.

    • Work must be to the satisfaction of the building department.
    • The owner must reside on site for at least 6 months after issuance of the certificate of occupancy.
    • The electrical contractor exemption applies only to qualified homeowners; the excerpt does not define qualifications further.

    owner occupancy after certificate of occupancy (electrical): >= 6 months

    “qualified homeowners who can demonstrate their ability to perform such work, to the satisfaction of the building department, may work on their own place of residence as long as they reside on site for a period of at least six (6) months after issuance of the certificate of occupancy.”
    One more reviewed finding on this topic
    • Conditional — Owner-performed plumbing on a permitted building outside incorporated cities, villages and towns in Will County, including unincorporated land in Crete township.
      “a homeowner who submits a permit application showing the plumbing is performed by “owner” or “self” shall have no other person perform the work. owner shall live in house a minimum of 6 months after completion of the project.”
  • Building code adoptedAdopted

    Building construction outside incorporated cities, villages and towns in Will County, including unincorporated land in Crete township.

    • Adopted by reference: International Building Code 2012, International Residential Code 2012, International Fire Code 2012, International Mechanical Code 2012, International Property and Maintenance Code 2012, Illinois Energy Conservation Code 2012, International Fuel Gas Code 2012, 2011 National Electric Code, 2004 Illinois Plumbing Code.
    • International Green Construction Code 2012 applies on a voluntary basis only upon applicant's request.
    • Amendments are stated throughout Chapter 150; where Chapter 150 conflicts with an adopted standard, Chapter 150 governs.
    • Section 150.120 replaces the International Private Sewage Disposal Code with the Will County Health Department.
    • No effective date for the adoption is stated in the excerpt.
    “following shall be adopted by reference with additional amendments described throughout the remainder of this ordinance: (a) international building code 2012, (b) international residential code 2012 (c) international fire code 2012, (d) international mechanical code 2012, (e) international property and maintenance code 2012, (f) illinois energy conservation code 2012, (g) international fuel gas code 2012, (h) 2011 national electric code, (i) 2004 illinois plumbing code (j) international green construction code 2012 on a voluntary basis only upon applicant’s request.”
  • InspectionsRequired

    Permitted construction outside incorporated cities, villages and towns in Will County, including unincorporated land in Crete township.

    • Inspections are conducted by the Will County building department (chief building official); the final inspection approval is the step that leads to the certificate of occupancy.
    • Approved construction documents must be on site for all inspections (section 150.031(g)).
    • Inspection scope beyond final inspection was not enumerated in the excerpt reviewed.
    “the following listed inspections are required to be made.”
  • Certificate of occupancyRequired

    Buildings permitted under Chapter 150 outside incorporated cities, villages and towns in Will County, including unincorporated land in Crete township.

    • Issued by the chief building official after final inspection approval.
    • Approval letters from the local fire protection district, Will County Health Department and highway department are required if applicable.
    • A temporary occupancy permit may be issued under the direction of the authority having jurisdiction if no health or safety violations exist, with evidence of reasonably prompt completion.
    “the building official shall issue a certificate of occupancy following final inspection approval indicating compliance with adopted codes and ordinances. approval letters from the local fire protection district, will county health department, and highway department shall be required if applicable.”
  • Minimum dwelling sizeSpecified

    Dwellings built under the Will County building ordinance outside incorporated cities, villages and towns, including unincorporated land in Crete township.

    • The minimum is incorporated by reference to the 2012 International Residential Code and International Building Code; the numeric figure is in those codes and was not reproduced here.
    • This is a building-code standard, not a Will County zoning dimensional limit.
    “minimum dwelling size as per 2012 irc and ibc.”
  • Who permits septicCounty (with conditions)

    Private sewage disposal (septic) systems on land inside Crete township outside incorporated city, village and town limits; the Will County Health Department, not the township, administers this.

    • The building ordinance replaces the International Private Sewage Disposal Code with the Will County Health Department.
    • No building permit may be issued for a lot that does not conform with 765 ILCS and Will County Health Department requirements for sewage disposal and water supply (section 150.002(c)).
    • Health Department Environmental Health Division runs the private sewage program.
    “delete international private sewage disposal code and insert to read: will county health department”
  • Agricultural exemptionConditional

    Agricultural structures and land use in unincorporated Will County, including unincorporated land in Crete township.

    • The building ordinance refers to the agricultural exemptions in the Will County zoning ordinance; the exemption's conditions are set there and were not reviewed in this run.
    • Plumbing and electrical work still require a permit under the building ordinance.
    • Qualified farmers may perform their own agricultural and personal use structure work to the satisfaction of the building division.
    “see agricultural exemptions in the will county zoning ordinance (150-1.50 (a)). any plumbing or electrical herein will require a permit.”
  • Permit feesVariable (with conditions)

    Building permit fees for construction outside incorporated cities, villages and towns in Will County, including unincorporated land in Crete township.

    • A minimum $50.00 plan review payment is due at application; all other fees are due at issuance.
    • Other fees follow the schedule of fees adopted by ordinance or resolution of the Will County board; that schedule was not opened in this run.
    • The county Land Use zoning page lists a fee schedule document, which was not opened.

    minimum plan review payment: >= 50 USD (plus all other fees due at issuance per county fee schedule)

    “submit minimum $50.00 plan review payment at the time of application with all other fees due at time of issuance as required in schedule of fees adopted by ordinance or resolution of the will county board.”
  • Permit processPublished

    Building permit applications for construction outside incorporated cities, villages and towns in Will County, including unincorporated land in Crete township.

    • Building permit applications are reviewed by the Will County building department (chief building official), with zoning compliance review by Current Planning & Zoning.
    • Permits lapse if work does not start within six months; permits expire one year after issuance unless renewed or extended.
    • Application must include a letter of intent from the plumbing contractor; contractor changes require a letter of release.
    • Initial plan review is within a maximum of fifteen business days.

    initial plan review time: <= 15 business days (or under direction of building official)

    “examination of application and plan initial review shall be made within a maximum of fifteen (15) business days or under direction of building official.”

Still unanswered

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

  • Local zoning — Whether Crete township itself adopts and administers a zoning ordinance for land inside its limits.
  • Minimum lot size — Minimum lot size for the main single-family residential district and any agricultural or rural-residential district inside Crete township.
  • Setbacks — Setbacks for the main single-family residential district and any agricultural or rural-residential district inside Crete township.
  • Lot coverage — Lot coverage limits inside Crete township.
  • Building height — Building height limits for the main single-family residential district and any agricultural or rural-residential district inside Crete township.
13 more unanswered
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

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 Crete 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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