Bolthole Index

Iroquois County, Illinois

Zoning, building permits and septic rules in Ash Grove Township, Illinois

Ash Grove Township is a township in Iroquois County, Illinois. Ash Grove Township adopts its own zoning, so inside its limits Ash Grove Township’s rules apply, not the county’s. Septic permits inside Ash Grove Township come from Iroquois County. 19 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Iroquois County page.

Answers from the rulebook for Ash Grove Township

Ash Grove Township’s own rules

  • Building permitRequired

    Construction on unincorporated land inside Ash Grove Township administered through Iroquois County Planning & Zoning.

    • Claim is limited to unincorporated land subject to county administration.
    • The county states a $1,000-per-day fine for beginning construction without a permit.

    fine for beginning construction without permit: 1000 USD per day

    “be aware the county has established a fine of $1,000 per day for beginning construction without a permit”
  • InspectionsRequired

    Permitted construction on unincorporated land inside Ash Grove Township.

    • Contact the appropriate building, electrical, or plumbing inspector before construction.
    “building code requires inspections for your permit. please contact the appropriate inspector prior to any construction on your project-”
  • Local zoningPresent (with conditions)

    Unincorporated land inside Ash Grove Township, where the Iroquois County Zoning Ordinance supplies the applicable zoning controls.

    • The cited county ordinance applies only to unincorporated areas of Iroquois County; incorporated municipal land inside the township is outside this claim.
    • District-specific controls depend on the Zoning Atlas.
    “The jurisdiction of this ordinance shall include all lands and waters within the unincorporated areas of Iroquois County.”
  • Zoning districtsPublished (with conditions)

    Unincorporated land inside Ash Grove Township subject to the county Zoning Atlas.

    • The applicable district for a parcel is determined by the county Zoning Atlas, whose certified copy is on file with the County Clerk.
    “For the purpose of this ordinance, the County of Iroquois is hereby divided into the following zoning districts: A-1 Agriculture District A-2 Agriculture District RR-1 Single-Family Residential District UR-1 Single Family Residential RH-1 Rural Homestead District WF-1 Waterfront Residence District B-1 Business District B-2 Shopping Center District B-2A Neighborhood Shopping Center B-2B Community Shopping Center M-1 Industrial District M-2 Industrial District M-3 Extraction District PD Planned Development District”
  • Minimum dwelling sizeSpecified

    A-1 Agricultural District on unincorporated land inside Ash Grove Township.

    • The referenced standards are in the A-1 Agricultural District section.

    minimum total floor area: >= 900 square feet · minimum building width: >= 22 feet

    “BUILDING: Minimum Total Floor Area: 900 square feet Minimum Building Width: 22 feet Maximum Height: 35 feet”
  • Lot coverageSpecified

    A-1 Agricultural District relative-of-landowner single-family dwelling located on the same farmstead and tract exceeding 75 acres, inside Ash Grove Township.

    • The use applies only when located on the same farmstead and on a tract exceeding 75 acres.

    maximum structure coverage: <= 20 percent of buildable lot area

    “one single-family dwelling for relatives of the landowner when located on the same farmstead, and only if located on a tract exceeding 75 acres in size. bulk requirements: minimum buildable lot size: 20,000 sq. ft. structure must not exceed 20% of buildable lot area”
  • Building heightSpecified

    A-1 Agricultural District on unincorporated land inside Ash Grove Township.

    • The referenced standards are in the A-1 Agricultural District section.

    maximum height: <= 35 feet

    “BUILDING: Minimum Total Floor Area: 900 square feet Minimum Building Width: 22 feet Maximum Height: 35 feet”
  • Living in an RVTemporary only (with conditions)

    Wheeled vehicles designed for sleeping or camping on unincorporated land inside Ash Grove Township.

    • A temporary permit from the Zoning Enforcement Officer is required.
    • Travel trailers must be moved after 180 days.

    maximum travel-trailer stay: <= 180 days

    “However, temporary usage of lots of record, either with or without dwellings may be permitted for wheeled vehicles designed for sleeping or camping by temporary permit from the Zoning Enforcement Officer. Travel Trailers must be moved after one hundred and eighty (180) days.”
  • Camping on your landLimited

    Temporary camping by wheeled sleeping or camping vehicles on unincorporated land inside Ash Grove Township.

    • Temporary permit from the Zoning Enforcement Officer is required.
    • Travel trailers must be moved after 180 days.

    maximum travel-trailer stay: <= 180 days

    “However, temporary usage of lots of record, either with or without dwellings may be permitted for wheeled vehicles designed for sleeping or camping by temporary permit from the Zoning Enforcement Officer. Travel Trailers must be moved after one hundred and eighty (180) days.”
  • Manufactured homesLimited

    Mobile-home occupancy on unincorporated land inside Ash Grove Township.

    • Occupancy is allowed only in a licensed and approved mobile-home park unless another ordinance provision applies.
    “Mobile Homes - No mobile home shall be occupied as a dwelling except when such mobile home is located in a licensed and approved mobile home park or as otherwise herein provided.”
  • Who permits septicCounty (with conditions)

    Private sewage systems serving land inside Ash Grove Township.

    • The Iroquois County Public Health Department administers the permit program under state and local requirements.
    “Issue permits to install private sewage disposal systems on properties located in both counties in accordance with state and local requirements, and provide education to the public about private sewage disposal systems.”
  • Septic permitRequired

    Construction or repair of a private sewage system inside Ash Grove Township.

    • A completed application and permit fee are reviewed for approval by a Licensed Environmental Health Practitioner.
    • If the application cannot be approved, the applicant is told to complete and resubmit it.
    “After receipt of a completed Application for Permit to Construct or Repair a Private Sewage Disposal System and the permit fee, a Licensed Environmental Health Practitioner (LEHP) will review the application for approval.”
  • Septic inspectionRequired

    Newly completed private sewage systems inside Ash Grove Township.

    • The installer must give the Iroquois County Public Health Department 24-hour notice on completion.

    completion notice: 24 hours

    “The septic installer shall give the Iroquois County Public Health Department 24 hour notice on completion of the septic system so that the Licensed Environmental Health Practitioner (LEHP) / Licensed Environmental Health Practitioner in Training (LEHPIT) may go to the site and inspect the septic system.”
  • Off-grid sanitationLimited

    Private sewage disposal systems serving land inside Ash Grove Township.

    • Installation is subject to state and local requirements.
    • The program requires a permit application, fee, review, and completion inspection.
    “Protect the health of the public by ensuring that septic systems are constructed and maintained according to state and local regulations.”
  • Well permitRequired

    New wells inside Ash Grove Township.

    • The county health program identifies enforcement of the county well ordinance and state water-well codes.
    • This finding does not establish the permit fee or exemptions.
    “Issuance of permits for newly constructed wells”
  • Subdividing landRegulated (with conditions)

    A parcel split from an existing homesite in the A-1 Agricultural District inside Ash Grove Township.

    • The existing homesite must have been at least two acres and existed on February 1, 2005.
    • The site must remain contiguous to the existing homesite and is subject to the Illinois Plat Act and Iroquois County Subdivision Ordinance.
    “One parcel split from an existing homesite of at least two acres that existed on February 1, 2005. The site shall remain contiguous to the existing homesite and, regardless of ownership, shall be considered a separate parcel subject to the provisions of the Illinois Plat Act and the Iroquois County Subdivision Ordinance.”
  • Driveway accessRequired

    A-1 existing-homesite parcel split inside Ash Grove Township.

    • Applies to all existing or new public-road entrances for the cited parcel-split type.

    ingress-egress entrance width: >= 66 feet

    “All existing or new entrances of ingress and egress from a public road must be at least 66 feet in width. ACCESS EASEMENTS: Must be a minimum of 66 foot wide.”
  • Building in a floodplainLimited

    Replacement, modification, or addition to a structure within flood plains on unincorporated land inside Ash Grove Township.

    • The work must meet FEMA or successor specifications for elevations and floodproofing.
    • This claim does not establish the complete floodplain-permit process.
    “Replacement structures shall conform to the standards established for the zoning district, except that replacement, modification, or addition to structures within flood plains must also meet specifications set by the Federal Emergency Management Agency, or its successors, pertaining to elevations and flood proofing.”
  • Permit feesPublished (with conditions)

    A-1 existing-homesite parcel split inside Ash Grove Township.

    • Fees are specific to the cited A-1 parcel-split provision.

    application fee: 100 USD · split fee: 100 USD

    “APPLICATION FEE: The application fee is $100.00. The split fee is $100.00.”

Still unanswered

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

  • Owner-builder exemption — Owner-built dwellings inside Ash Grove Township.
  • Building code adopted — Building-code adoption applicable inside Ash Grove Township.
  • Certificate of occupancy — New or altered dwellings inside Ash Grove Township.
  • Tiny homes — Tiny homes inside Ash Grove Township.
  • Accessory dwellings — Accessory dwelling units inside Ash Grove Township.
3 more unanswered
  • Mandatory utility hookup
  • Agricultural exemption
  • 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 Ash Grove Township publishes no rule on the point, not that none exists. Iroquois County’s page lists the county offices to call.

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