Bolthole Index

McHenry County, Illinois

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

Greenwood Township is a township in McHenry County, Illinois. Septic permits inside Greenwood Township come from McHenry County (McHenry County Department of Health, Environmental Health Division · (815) 334-4000). 4 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the McHenry County page.

Answers from the rulebook for Greenwood Township

Rules another office applies inside Greenwood Township

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

  • Zoning districtsPartial

    Zoning districts of the McHenry County UDO that apply to unincorporated land inside Greenwood township

    • Districts apply only to land outside municipal boundaries; municipal districts are not covered.
    • The district list and zoning map were not opened; the county GIS map is the stated lookup tool.
    “the udo takes these policies as its base and provides a set of development requirements, generally organized by zoning district, each containing specific regulations key to those policies.”
  • Who permits septicCounty (with conditions)

    Septic systems on land inside Greenwood township, administered by McHenry County Department of Health (Environmental Health Division)

    • Applies countywide in McHenry County, including land inside Greenwood township.
    • Administered by the county health department, not by the township.
    “a permit is required from the mchenry county department of health to install, modify, alter, extend, repair, replace or abandon a septic system in mchenry county.”
  • Subdividing landRegulated (with conditions)

    Land divisions and subdivisions of land inside Greenwood township that is outside municipal boundaries

    • Applies only to unincorporated land; municipalities have their own subdivision regulations.
    • Subdivision review is handled by McHenry County Planning, Zoning and Land Use under the UDO.
    “the unified development ordinance (udo) integrates zoning, subdivision, and related development regulations into one consolidated ordinance.”
  • Permit processPartial

    Septic permit application process for land inside Greenwood township (building permit process not established)

    • Application may be submitted by mail or in person.
    • Materials required vary by permit type; the required list was not located on the opened page.
    “permit applications may be submitted by mail or in person at the environmental health division of the mchenry county department of health.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder permit exemption for unincorporated land inside Greenwood township
  • Building code adopted — Building code adoption for unincorporated land inside Greenwood township
  • Inspections — Building inspections for unincorporated land inside Greenwood township
  • Certificate of occupancy — Certificate of occupancy for unincorporated land inside Greenwood township
  • Local zoning — Land inside Greenwood township limits (unincorporated portions near Wonder Lake, Bull Valley and Woodstock)
18 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
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • 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 Greenwood Township publishes no rule on the point, not that none exists. McHenry County’s page lists the county offices to call.

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