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

Rules another office applies inside Hebron Township

Hebron 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)

  Onsite wastewater (septic) systems on land inside Hebron township, McHenry County, Illinois, administered by the McHenry County Department of Health.

  • The county public health ordinance sets siting requirements for septic systems; the page does not state the specific setback distances.
  • Septic installation and repair must be done by IDPH-licensed contractors (see septic_permit claim).

  “The McHenry County Department of Health is the agency responsible for reviewing and issuing septic system permits in McHenry County.”

• Permit feesPublished

  County planning and development permit fees for land in unincorporated McHenry County, which the county's permit pages do not separate for Hebron township.

  • County page states a new fee schedule is effective July 1, 2026; the fee amounts themselves were not retrieved from the page.

  “codes, regulations and ordinances new fee schedule effective july 1, 2026 interactive gis map and zoning district look-up”

• Permit processPartial

  County permit process for land in unincorporated McHenry County, including the portion within Hebron township if the county administers it.

  • The county publishes an online permit portal and a permit application portal guide, but the page does not describe the full steps for every permit type.

  “permit portal online permit management system; apply, schedule communicate 24/7”

Still unanswered

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

• Owner-builder exemption — Owner-builder exemption from licensing or permit rules inside Hebron township.
• Building code adopted — Which building code edition the county or township applies inside Hebron township.
• Certificate of occupancy — Certificate of occupancy for new homes inside Hebron township.
• Local zoning — Whether Hebron township, McHenry County, Illinois adopts and administers its own zoning ordinance for land inside its limits.
• Zoning districts — Zoning districts applying inside Hebron 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.