Bolthole Index

Montgomery County, Illinois

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

Hillsboro Township is a township in Montgomery County, Illinois. Septic permits inside Hillsboro Township come from Montgomery County (Montgomery County Health Department · 217-532-2001). 5 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Montgomery County page.

Answers from the rulebook for Hillsboro Township

Rules another office applies inside Hillsboro Township

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

  • Who permits septicCounty (with conditions)

    Sewage (septic) disposal systems for homes inside Hillsboro township, administered by the Montgomery County Health Department (county-wide form; applies inside Hillsboro township)

    • The cited form is the county's 2016 application; no effective date is stated on it, so currency is unconfirmed.
    • The form requires installation to conform to the Private Sewage Disposal Licensing Act and code of the state of Illinois and the Montgomery County Sewage Treatment and Disposal Ordinance; the ordinance text was not located.
    • The form does not state a service-area boundary; applying it to Hillsboro township is inferred from it being the county health department's permit form for Montgomery County.
    “in conjunction with the county ordinance for private sewage disposal.”
  • Septic permitRequired

    Sewage disposal system permit for a home inside Hillsboro township, issued by the Montgomery County Health Department (county-wide form; applies inside Hillsboro township)

    • Installation proceeds only after the health department permit is granted; the form states the permit expires one year from date of issue.
    • The applicant must request inspection with the health department two working days before installation begins.
    • Form is dated 2016; currency not confirmed.

    permit validity: 1 year

    “application for sewage disposal permit important notice: the montgomery county health department does not guarantee trouble-free operation of this sewage treatment and disposal system by the issuance of a permit or final approval of installation.”
  • Septic inspectionRequired

    Inspection of a sewage disposal system installation for a home inside Hillsboro township, by the Montgomery County Health Department (county-wide form; applies inside Hillsboro township)

    • Request the inspection at least two working days before installation begins; the form also lists a final inspection and approval block.
    • Form dated 2016; currency not confirmed.
    “Department personnel shall evaluate, approve and inspect the systems.”
  • Permit feesPublished (with conditions)

    Septic (sewage disposal) permit application fee for a home inside Hillsboro township; no building-permit fee schedule was located

    • Fee shown on the 2016 county form; the current fee schedule was not verified.

    septic permit application fee: 50 USD

    “montgomery county health department permit # $50 application fee date of issue date of pre-eval”
  • Permit processPartial

    Permit process for septic systems inside Hillsboro township (county-wide health department process); no general building-permit process located

    • Only the septic steps are documented (application, pre-evaluation, installer licence, inspection request, final approval block).
    “To request an inspection call 217-532-2001 two working days prior to beginning of installation.”

Still unanswered

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

  • Building permit — Building permit for new residential construction inside Hillsboro township
  • Owner-builder exemption — Owner-builder exemption for a home built by the owner inside Hillsboro township
  • Building code adopted — Adoption of a building code for new homes inside Hillsboro township
  • Inspections — Building inspection for new residential construction inside Hillsboro township
  • Certificate of occupancy — Certificate of occupancy for a new home inside Hillsboro township
20 more unanswered
  • Local zoning
  • Zoning districts
  • 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
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • 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 Hillsboro Township publishes no rule on the point, not that none exists. Montgomery County’s page lists the county offices to call.

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