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

Chouteau Township’s own rules

• Minimum dwelling sizeSpecified

  R-1 through R-4 single-family residential districts inside Chouteau Township subject to the Madison County zoning code.

  • The floor-area calculation includes utility rooms but excludes other areas not used for living or sleeping.

  minimum floor area: >= 620 square feet (Measured from outside walls; utility rooms included; other areas not used for living or sleeping excluded.)

  “Single-family dwellings shall have a total floor area of not less than 620 square feet for each dwelling unit, measured from the outside walls, including utility rooms but excluding all other areas not used for living or sleeping purposes.”

• Minimum lot sizeDistrict specific (with conditions)

  R-1 through R-4 single-family residential districts inside Chouteau Township subject to the Madison County zoning code.

  • The excerpt establishes distinct district subsections; the County code must be consulted to match subsection B, C, D, or E to a mapped R district.

  minimum lot area: >= 40000 square feet (Section B) · minimum lot area: >= 15000 square feet (Section C) · minimum lot area: >= 9000 square feet (Section D) · minimum lot area: >= 6000 square feet (Section E)

  “Every one-family detached dwelling hereafter erected shall be located on a tract of land having an area of not less than 40,000 square feet and a width at the established building line of not less than 150 feet.”

• Lot coverageDistrict specific (with conditions)

  R-1 through R-4 single-family residential districts inside Chouteau Township subject to the Madison County zoning code.

  • The percentage includes accessory buildings.

  maximum lot coverage: <= 15 percent (Section B) · maximum lot coverage: <= 30 percent (Section C) · maximum lot coverage: <= 35 percent (Section D) · maximum lot coverage: <= 50 percent (Section E)

  “Not more than 15% of the area of a zoning lot may be covered by buildings or structures, including accessory buildings.”

• Living in an RVLimited

  R-1 through R-4 residential-district land inside Chouteau Township subject to the Madison County zoning code.

  • The Township's official site identifies the County Zoning Board hearing for a Chouteau Township R-3 parcel; the cited county rule requires stored campers/camping trailers to be unoccupied.

  “All boats and campers/camping trailers must be unoccupied”

• Tiny homesLimited

  Tiny dwellings in R-1 through R-4 districts inside Chouteau Township subject to the Madison County zoning code.

  • A dwelling under 620 square feet is listed as a special use; ordinary single-family dwellings must meet the stated minimum floor area.

  minimum ordinary dwelling floor area: >= 620 square feet (A dwelling unit less than 620 square feet is a special use.)

  “Single-family dwellings shall have a total floor area of not less than 620 square feet for each dwelling unit, measured from the outside walls, including utility rooms but excluding all other areas not used for living or sleeping purposes.”

• Manufactured homesLimited

  Mobile homes in R-1 through R-4 districts inside Chouteau Township subject to the Madison County zoning code.

  • Mobile homes are listed as a special use and must comply with § 93.101.

  “Mobile home in compliance with § 93.101.”

• Accessory dwellingsLimited

  Accessory residential accommodations in R-1 through R-4 districts inside Chouteau Township subject to the Madison County zoning code.

  • Servants' accommodations are allowed only for professional servants, caretakers, watchmen, or custodians and may not be a separate detached one-family dwelling on the same lot.

  “Servants' accommodations for professional servants, caretakers, watchmen or custodians, but not as a separate detached one-family dwelling on the same lot.”

• Driveway accessLimited

  Buildings inside Chouteau Township subject to the Madison County zoning code.

  • A parcel must abut a public street, private street, or private lane; private street/lane regulations under the County Subdivision Code must be met.

  “abuts upon a public street, private street, or private lane”

• Permit processPartial

  Agricultural accessory-structure permit applications inside Chouteau Township subject to the Madison County zoning code.

  • The cited process is limited to non-urban agricultural-district tracts with no primary structure.

  “On non-urban tracts of land in the Agricultural District, prior to issuance of a permit for an accessory structure intended for agriculture purposes on a tract of ground with no primary structure, the applicant shall complete an agricultural exemption form confirming that the accessory structure will only be used for agriculture purposes.”

Still unanswered

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

• Building permit — Residential construction inside Chouteau Township.
• Owner-builder exemption — Owner-built dwellings inside Chouteau Township.
• Building code adopted — Building construction inside Chouteau Township.
• Inspections — Residential building inspections inside Chouteau Township.
• Certificate of occupancy — Residential occupancy inside Chouteau Township.

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.