Bolthole Index

Madison County, Illinois

Zoning, building permits and septic rules in Village of Grantfork, Illinois

Village of Grantfork is a village in Madison County, Illinois. Village of Grantfork adopts its own zoning, so inside its limits Village of Grantfork’s rules apply, not the county’s. 16 rules below are quoted from official sources and independently re-checked, most recently on November 2, 2026. Rules for unincorporated land are on the Madison County page.

Answers from the rulebook for Village of Grantfork

Village of Grantfork’s own rules

  • Building code adoptedAdopted

    Building construction inside Grantfork village (Chapter 6 Building Regulations, Article I)

    • Adopted editions listed in section 6-1-3: International Building Code/2012, International Mechanical Code/2012, International Fire Code/2012, National Electrical Code NFPA 70/2005, International Energy Conservation Code/2009, International Residential Code/2012, International Property Code/2012, State Plumbing Code/2014.
    • Chapter 6 is stamped [may, 2024]; that is a revision stamp, not an effective date.
    “6-1-3 codes adopted. the codes hereinafter set forth are hereby adopted by reference and made a part of this village code, as amended.”
  • Local zoningPresent

    Zoning inside the corporate limits of Grantfork village

    • Code index states the zoning code was revised and adopted September 2023 (no day given); chapter stamp reads [2024].
    “40-1-2 jurisdiction. this code shall be applicable within the corporate limits of grantfork (65 ilcs 5/11-13-1).”
  • Zoning districtsPublished

    District descriptions in the Grantfork zoning code (R-1, R-2, R-3, C-1 and a manufacturing district at 40-4-31 onward)

    • District boundaries are set by the zoning map; the code index lists 'update village zoning map ordinance 2022.11.01' which was not opened.
    “the "r-3" manufactured home district is primarily intended to provide for the establishment of manufactured home parks as well as allow manufactured homes on individual lots.”
  • Minimum dwelling sizeSpecified

    Principal dwellings in the R-1 single-family district (section 40-4-3), inside Grantfork village

    • No minimum square footage appears in the R-2 or R-3 lot blocks that were read, so those districts are not answered here.

    minimum square footage: >= 800 sq. ft.

    “maximum building height: 35 feet minimum square footage: 800 sq. ft.”
  • Minimum lot sizeDistrict specific (with conditions)

    Principal buildings in the R-1 single-family district (section 40-4-3), inside Grantfork village

    • Applies to principal building; section 40-4-27(f) applies the R-1 standards to single-family and multi-family dwellings built in the C-1 district.

    minimum lot area: 6000 sq. ft. · minimum lot width: 50 feet (at established building line) · minimum lot depth: 100 feet

    “lot and building requirements. (applies to principal building) minimum lot area: 6,000 sq. ft. minimum lot width: (at established building line) 50 feet minimum lot depth: 100 feet”
    2 more reviewed findings on this topic
    • District specific (with conditions) — Principal buildings in the R-2 general residential district (section 40-4-13 permitted uses), inside Grantfork village
      “minimum lot area: 6,000 sq. ft. or 2,500 sq. ft. per unit, whichever is greater minimum lot width: (at established building line) 50 feet minimum lot depth: 100 feet”
    • District specific (with conditions) — Principal buildings in the R-3 manufactured home district (section 40-4-17), inside Grantfork village; manufactured home park spaces are governed separately by section 40-4-21
      “exception: manufactured home park requirements as set forth in section 40-4-21. (a) minimum lot area: 5,000 sq. ft. (b) minimum lot width: (at established building line) 50 feet (c) minimum lot depth: 100 feet”
  • SetbacksDistrict specific (with conditions)

    Principal buildings in the R-1 single-family district (section 40-4-3), inside Grantfork village

    • Setbacks are minimums from lot lines for the principal building.

    front setback: >= 25 feet · side setback (each side): >= 7 feet · rear setback: >= 25 feet

    “minimum setbacks: (1) from front lot line 25 feet (2) from either side lot line 7 feet (3) from rear lot line 25 feet”
    2 more reviewed findings on this topic
    • District specific (with conditions) — Principal buildings in the R-2 general residential district (section 40-4-13 permitted uses), inside Grantfork village
      “minimum setbacks: (1) from front lot line 20 feet (2) from either side lot line 7 feet (3) from rear lot line 20 feet”
    • District specific (with conditions) — Principal buildings in the R-3 manufactured home district (section 40-4-17), inside Grantfork village; manufactured home park spaces are governed by section 40-4-21
      “(d) minimum setbacks: (1) from front lot line 20 feet (2) from either side lot line 7 feet (3) from rear lot line 20 feet”
  • Building heightDistrict specific (with conditions)

    Principal buildings in the R-1 single-family district (section 40-4-3), inside Grantfork village

    • Height is measured under the code's building height definition (section 40-2-2).

    maximum building height: <= 35 feet

    “maximum building height: 35 feet minimum square footage: 800 sq. ft.”
    2 more reviewed findings on this topic
    • District specific (with conditions) — Principal buildings in the R-2 general residential district (section 40-4-13 permitted uses), inside Grantfork village
      “(3) from rear lot line 20 feet maximum building height: 35 feet”
    • District specific (with conditions) — Principal buildings in the R-3 manufactured home district (section 40-4-17), inside Grantfork village
      “exception: manufactured home park requirements as set forth in section 40-4-21. (a) minimum lot area: 5,000 sq. ft. (b) minimum lot width: (at established building line) 50 feet (c) minimum lot depth: 100 feet (d) minimum setbacks: (1) from front lot line 20 feet (2) from either side lot line 7 feet (3) from rear lot line 20 feet (e) maximum building height: 35 feet”
  • Manufactured homesLimited

    Manufactured homes on individual lots in the R-3 manufactured home district, inside Grantfork village

    • Manufactured homes must conform to all applicable requirements of the zoning code; section 40-4-18 lists them as permitted uses in R-3.
    • Immobilized manufactured homes in R-3 must be inspected under section 40-4-11(b)(5).
    • Manufactured homes in R-1 and R-2 are not listed among the permitted uses in the sections read.
    “manufactured homes on individual lots, provided said manufactured homes conform to all applicable requirements of this code.”
    One more reviewed finding on this topic
    • Limited — Manufactured home parks in the R-3 manufactured home district, inside Grantfork village
      “no manufactured home park shall be developed on a lot less than one (1) acre in size.”
  • Building in a floodplainRequired

    Any development in the floodplain inside Grantfork village (Chapter 14 Flood Plain Code)

    • Permit is issued by the village president (administered by the zoning administrator/village president under section 14-1-4).
    • Application needs site drawings, existing and proposed grades, building locations, lowest-floor elevation and a cost estimate (section 14-1-5(a)).
    • Section 14-1-5 is amended by ordinance 2025.04.01 (amend flood plain language) per the code index; the amended text was not read.
    “no person, firm, corporation, or governmental body not exempted by law shall commence any development in the floodplain without first obtaining a development permit from the village president.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Village of Grantfork or Madison County directly.

  • Building permit — New construction inside Grantfork village
  • Owner-builder exemption — Owner-builder construction inside Grantfork village
  • Inspections — Inspections of new construction inside Grantfork village
  • Certificate of occupancy — Occupancy of new dwellings inside Grantfork village
  • Lot coverage — Lot coverage in residential districts inside Grantfork village
15 more unanswered
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • 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 Grantfork publishes no rule on the point, not that none exists. Madison County’s page lists the county offices to call.

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