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

Rules another office applies inside Radnor Township

Radnor 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 code adoptedAdopted (with conditions)

  Permitted construction on unincorporated land in Radnor Township.

  • County identifies its listed codes as adopted and enforced; the 2021 Illinois Energy Conservation Code update is effective January 1, 2024.

  “the following codes are adopted & enforced july 1, 2021 began the adoption of the icc 2018 building standards 2018 international building code 2018 international residential code”

• Certificate of occupancyLimited

  County-permitted construction on unincorporated land in Radnor Township.

  • The official page expressly identifies a Certificate of Compliance after final inspections, not a certificate of occupancy.

  “various inspections will be performed during the building phases and a certificate of compliance will be issued after all final inspections are completed.”

• Local zoningPresent (with conditions)

  Unincorporated land in Radnor Township, Peoria County; incorporated land, if any, is not covered by this county claim.

  • County Planning and Zoning states that it serves unincorporated properties in Peoria County.

  “peoria county planning and zoning serves unincorporated properties in peoria county.”

• Zoning districtsPublished (with conditions)

  Zoning classification for unincorporated parcels in Radnor Township.

  • An address or Parcel ID/Tax ID is needed when calling the office; the County GIS can also be used.

  “you can call the office main line to find out what a property is zoned, provided that you have either an address or parcel id/tax id number. or, you can use peoria county's gis map to find the zoning of a property.”

• Who permits septicLocal (with conditions)

  Private sewage disposal systems serving new homes on unincorporated land in Radnor Township.

  • County building-permit requirements require either Health Department well and septic permit numbers or proof of sanitary-district and/or water-company service.

  “proof of water and sewer 1. well and septic permit numbers issued by the peoria city/county health department”

• Septic permitRequired

  Construction, alteration, or extension of a private sewage disposal system serving land in Radnor Township.

  • Applies to a private sewage disposal system that is constructed, altered, or extended.

  “requiring anyone constructing, altering, or extending a private sewage disposal system to have a valid permit issued by the health department.”

• Septic inspectionRequired

  Private sewage disposal-system installation or repair serving land in Radnor Township.

  • The stated inspection function is for proper installation or repair.

  “inspecting disposal systems for proper installation or repair.”

• Well permitLimited

  Private, closed-loop, and repaired water wells serving land in Radnor Township.

  • The page expressly describes permit issuance for private wells, closed-loop wells, and abandoned-well sealing; it does not state that every category of well work requires a permit.

  “reviewing plans and issuing permits for private wells. issuing permits and conducting inspections for closed loop wells. inspecting new or repaired water well systems. issuing permits and ensuring proper sealing of abandoned wells.”

• Building in a floodplainRequired

  Development in a Special Flood Hazard Area on unincorporated land in Radnor Township.

  • Development includes construction, repair, replacement, addition, filling, paving, demolition, storage, and clearing of land.

  “all development within the sfha requires a floodplain development permit. development includes but is not limited to: construction, repair, replacement, or addition to a building, filling, paving, demolition, storage, and clearing of land.”

• Short-term rentalsLimited

  Short-term rentals on unincorporated land in Radnor Township.

  • In most zoning districts, overnight accommodations require County Board special-use approval.
  • This includes rentals advertised on Airbnb and VRBO.

  “in most zoning districts, overnight accommodations require the approval of a special use by the peoria county board.”

• Permit feesPublished (with conditions)

  County Planning and Zoning permits for unincorporated land in Radnor Township.

  • The page directs applicants to the County fee schedule for the complete list; individual fee amounts were not established from an opened fee schedule.

  “please see our fee schedule page for a complete list of fees.”

• Permit processPublished (with conditions)

  County building-permit applications for unincorporated land in Radnor Township.

  • Incomplete digital submittals are not sent for plan review; plans must be reviewed and approved before issuance.

  “incomplete submittals will not be sent for plan review.”

Still unanswered

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

• Owner-builder exemption — Owner-built residential construction on unincorporated land in Radnor Township.
• Minimum dwelling size — Principal dwellings on unincorporated land in Radnor Township.
• Minimum lot size — Lots on unincorporated land in Radnor Township.
• Lot coverage — Lots on unincorporated land in Radnor Township.
• Building height — Buildings on unincorporated land in Radnor 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.