Bolthole Index

Cass County, Illinois

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

Chandlerville Township is a township in Cass County, Illinois. Septic permits inside Chandlerville Township come from the state health agency. 11 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Cass County page.

Answers from the rulebook for Chandlerville Township

Rules another office applies inside Chandlerville Township

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

  • Building permitRequired

    Projects on unincorporated land inside Chandlerville township under Cass County zoning

    • The county zoning officer reviews and issues building permits for areas under county zoning; the page does not address permits issued by a township or village inside the township.
    • Permit is required before starting a project, per the county page's fine warning.
    “the zoning officer is also responsible for the review and issuance of building permits and the processing of applications for variances, conditional uses, special use permits, and rezoning request.”
  • Local zoningPresent (with conditions)

    Unincorporated land inside Chandlerville township is under the Cass County zoning ordinance as administered by the Cass County zoning officer; this is county zoning, not a township ordinance

    • Applies to unincorporated areas of the county as well as villages that do not have a zoning ordinance; the page does not say whether the village of Chandlerville has its own zoning.
    • Not a township-adopted ordinance; no township zoning ordinance was found.
    “the cass county zoning officer administers the cass county zoning ordinance. this applies to the unincorporated areas of the county as well as villages that do not have a zoning ordinance.”
  • Zoning districtsPublished (with conditions)

    Cass County zoning districts applying to unincorporated land inside Chandlerville township

    • Districts listed in section 3.1: a, cd, r-1, r-2, r-3, r-4, b-1, b-2, b-3, m-1, m-2, m-3, pd.
    • Zoning map is dated February 1973 per section 3.2; parcel-level district not determined.
    “the county of cass is hereby divided into the following zoning districts”
  • Minimum dwelling sizeSpecified

    Single-family residence in the agricultural (A) district on unincorporated land inside Chandlerville township

    • Applies only to parcels zoned agricultural under the Cass County zoning map dated February 1973 (ordinance section 3.2).
    • Stated as a requirement for any residence constructed in an agricultural district.

    minimum living area: >= 800 sq ft

    “the minimum living area of any residence constructed in an agricultural district must be at least eight hundred (800) square feet.”
  • Minimum lot sizeSpecified

    Single-family residence or detached structure on land in the agricultural (A) district on unincorporated land inside Chandlerville township

    • Applies only to parcels zoned agricultural under the Cass County zoning map dated February 1973.
    • Agricultural-use land rules under 55 ILCS 5/5-12001 limit county regulation of agricultural purposes, but this residence lot-size rule is expressly retained.

    minimum lot size: >= 3 acres

    “the minimum lot size permitted for the construction of a single-family residence or detached structure in an agricultural district is a minimum of three (3) acres.”
  • SetbacksSpecified

    Residences and detached structures in the agricultural (A) district on unincorporated land inside Chandlerville township

    • Applies only to parcels zoned agricultural under the Cass County zoning map dated February 1973.
    • Front setback distance depends on the road type, as listed in the parameters.

    front setback from federal highway right-of-way: >= 50 feet · front setback from state highway right-of-way: >= 50 feet · front setback from county or township road right-of-way: >= 35 feet · side and rear setback: >= 35 feet

    “the minimum front setback requirement for all structures constructed in an agricultural district must be at least fifty (50) feet from federal highway right-of way, fifty (50) feet from state highway right-of-way and thirtyfive (35) feet from county or township road right-of-way.”
  • Who permits septicState (with conditions)

    Private sewage disposal systems built inside Chandlerville township, including land in the village of Chandlerville

    • Local health agencies also review construction plans, either by authority of a local ordinance or as an agent of the state department.
    • Whether the Cass County Health Department (certified local health department) performs this review for Chandlerville township was not confirmed on its official page.
    “the illinois department of public health (idph) regulates the installation of all private sewage disposal systems that have no surface discharge”
  • Septic permitRequired

    Private sewage disposal systems built inside Chandlerville township

    • Plans are reviewed and approved before construction; construction proceeds after approval.
    • Local health agencies may perform the plan review under local ordinance or as state agent; the county health department's role here is unverified.
    “staff also review and approve plans for private sewage disposal systems and alternative private sewage disposal systems before construction.”
  • Agricultural exemptionAvailable (with conditions)

    Agricultural land use on unincorporated land inside Chandlerville township

    • Exemption from county regulation and permits applies to agricultural purposes; the ordinance keeps minimum residence lot size and building or setback lines for agricultural buildings.
    • Residential construction on agricultural land still follows the A-district lot and setback rules.
    “in accordance with 55 ilcs 5/5-12001 shall not be construed to impose regulations or require permits with respect to such agricultural purposes, except to the extent of the regulations and restrictions for: (i) building or set back lines for agricultural buildings or structures as herein specified; and (ii) the minimum lot size for residences on land used for agricultural purposes.”
  • Building in a floodplainLimited

    Development on land in the flood plain on unincorporated land inside Chandlerville township

    • Flood plain regulation in section 6 applies to all lands determined to be in the flood plain.
    • Stream channel setback and fill restrictions also apply under section 6.5.

    channel setback from waterway: >= 100 feet (boathouses)

    “1. location of principal building – no principal building shall be located on the flood plain. 2. channel setback line – all buildings and structures except boathouses shall be set back from a waterway at least 100 feet.”
  • Permit processPartial

    Building permit application process for unincorporated land inside Chandlerville township

    • Applications are obtained from and processed with the county zoning officer; the page does not list steps, fees or timelines.
    “property owners and contractors can obtain applications for building permits and receive assistance by contacting the cass county zoning officer.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder permit exemption inside Chandlerville township
  • Building code adopted — Building code adopted for construction inside Chandlerville township
  • Inspections — Building inspections for construction inside Chandlerville township
  • Certificate of occupancy — Certificate of occupancy for new dwellings inside Chandlerville township
  • Lot coverage — Maximum lot coverage inside Chandlerville township
14 more unanswered
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • 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 Chandlerville Township publishes no rule on the point, not that none exists. Cass County’s page lists the county offices to call.

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