Bolthole Index

McHenry County, Illinois

Zoning, building permits and septic rules in Village of Fox River Grove, Illinois

Village of Fox River Grove is a village in McHenry County, Illinois. Village of Fox River Grove adopts its own zoning, so inside its limits Village of Fox River Grove’s rules apply, not the county’s. Septic permits inside Village of Fox River Grove come from McHenry County (McHenry County Department of Health, Environmental Health Division · (815) 334-4000). 9 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the McHenry County page.

Answers from the rulebook for Village of Fox River Grove

Village of Fox River Grove’s own rules

  • Building permitRequired

    New construction, additions and remodeling inside Fox River Grove village limits.

    • Some permit types may be obtained over the counter at Village Hall without building department review.
    • Owner and contractor must obtain all required permits before beginning work.
    • Contact the building department if unsure whether a project needs a permit.
    “common home improvements requiring a permit new construction, additions or remodeling”
  • Building code adoptedAdopted (with conditions)

    New construction and alterations inside Fox River Grove village limits; the village adopts IBC construction standards.

    • The page does not name the IBC edition year; the adopting ordinance was not located.
    • The page says the building, electrical, heating and plumbing codes are adopted by the village.
    “ibc construction standards have been adopted by the village of fox river grove as a protective measure for the residents.”
  • InspectionsRequired

    Projects needing a village building permit inside Fox River Grove village limits.

    • The inspection schedule and which inspections apply to a given project were not located.
    “to ensure you have the proper permits and inspections required by the village.”
  • Local zoningPresent (with conditions)

    Land inside Fox River Grove village limits: the village states it administers its own zoning regulations.

    • The village's own page confirms adoption of zoning regulations but does not reproduce the zoning ordinance; district standards were not reached in this pass.
    “the village has adopted codes covering building, electrical, heating and plumbing work, as well as zoning regulations.”
  • Driveway accessRequired

    Driveway, patio, deck and walk construction inside Fox River Grove village limits.

    • Listed on the village's list of home improvements requiring a permit; driveway access or curb-cut standards not reached.
    “driveways, patios, decks, walks installation of sprinkler system, swimming pool, fence, or storage shed”
  • Permit processPartial

    Permit applications for work inside Fox River Grove village limits.

    • Some permits are issued over the counter at Village Hall; others go through building department review.
    • The village hosts a building permit application form; its steps and fees were not reached.
    “some permits may be obtained over-the-counter at village hall without building department review.”

Rules another office applies inside Village of Fox River Grove

Village of Fox River Grove 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)

    Septic systems on land inside Fox River Grove village limits are regulated by the McHenry County Department of Health (applies inside Fox River Grove village).

    • Applies inside Fox River Grove village because septic permitting is a county health function in McHenry County; the village does not run its own septic program per the sources reached.
    “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.”
  • Septic permitRequired

    Installing, modifying, repairing or replacing a septic system on land inside Fox River Grove village limits (applies inside Fox River Grove village).

    • Installations, repairs or modifications must be done by Illinois Department of Public Health licensed septic system installation contractors.
    • Adding a bedroom to a house served by a septic system requires the system to meet new construction standards for the total number of bedrooms.
    “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.”
  • Off-grid sanitationLimited

    Private sewage disposal on land inside Fox River Grove village limits without public sewer (applies inside Fox River Grove village).

    • Holding tanks are allowed only in limited circumstances, such as a temporary measure while awaiting connection to community sewer.
    • Surface-discharging onsite systems are not allowed in McHenry County.
    “holding tanks are only allowed in very limited circumstances: as a temporary measure (less than 180 days) while awaiting connection to community sewer;”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Village of Fox River Grove or McHenry County directly.

  • Owner-builder exemption — Owner-builder permit exemption inside Fox River Grove village limits.
  • Certificate of occupancy — Certificate of occupancy for new homes inside Fox River Grove village limits.
  • Zoning districts — Zoning district map and district list for Fox River Grove village.
  • Minimum dwelling size — Minimum dwelling size in the main single-family residential district inside Fox River Grove village limits.
  • Minimum lot size — Minimum lot area in the main single-family residential district inside Fox River Grove village limits.
16 more unanswered
  • 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
  • Subdividing land
  • 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 Village of Fox River Grove publishes no rule on the point, not that none exists. McHenry County’s page lists the county offices to call.

Off-grid gear

Going off-grid in Village of Fox River Grove means bringing your own water and power. The kit we’d start with:

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